Workplace injury records in Ontario, CA — page 4 of 4
1,196 establishments in Ontario filed an OSHA Form 300A summary at least once between 2016 and 2025. The largest industries here: Transportation and Warehousing (329), Manufacturing (252), Wholesale Trade (140). 630 had 30 to 200 employees at their latest filing.
1 ("ConOps - WE…) · 2 (Boxout, LLC …) · 3 (Jacobs Field…) · 4 (Ontatio…)
| Establishment | Industry | Avg. employees (last filing) | Years filed | TRIR (last filing) | Industry median TRIR |
|---|---|---|---|---|---|
| Ontatio Saddle Creek Logistics Services | General Warehousing and Storage | 67 | 2023 · 1 | 3.82 | 1.97 |
| Ontellus - Ontario RECORDXTECHNOLOGIES LLC | Paralegal services | 157 | 2023–2025 · 3 | 0.60 | 0.00 |
| ONTONTARIOCA DHL Express | Express Delivery Services {except establishments operating under a universal service obligation} | 65 | 2022–2024 · 3 | 1.96 | 7.82 |
| Ontrario Regional Distribution Center Dal-Tile Corporation | General warehousing and storage | 35 | 2018–2023 · 6 | 0.00 | 1.97 |
| Optec Displays Inc | Electrical signs merchant wholesalers | 60,124 | 2024 · 1 | — | 0.00 |
| OrePac Ontario OrePac Building Products | Plywood merchant wholesalers | 132 | 2021–2025 · 5 | 6.86 | 0.00 |
| Otto Instrument Service, Inc. Otto | Aircraft flight instruments (except engine instruments) manufacturing | 92 | 2018–2024 · 5 | 0.00 | 0.00 |
| OTTO INSTRUMENT SERVICES, INC. Otto | Aircraft manufacturing | 110 | 2022–2025 · 3 | 0.91 | 0.85 |
| Owens & Minor Ontario Owens & Minor Distribution, Inc. | Surgical supplies merchant wholesalers | 158 | 2017–2025 · 9 | 3.52 | 0.00 |
| P&L Pascal & Ludwig Constructors | Sewage treatment plant construction | 25 | 2017–2023 · 7 | 0.00 | 0.52 |
| P.V. & C. Plumbing and Piping, Inc. | Plumbing contractors | 48 | 2019–2024 · 4 | 0.00 | 1.23 |
| Pacific Coast Propane | Alternative fuels, direct selling | 131 | 2024 · 1 | 0.91 | 3.62 |
| Pacific Rebar Inc. | Placing and tying reinforcing rod at a construction site | 40 | 2017 · 1 | 10.26 | 3.75 |
| Pacmet Aersopace Pacific Metals Group, LLC | Aircraft assemblies, subassemblies, and parts (except engines) manufacturing | 45 | 2017 · 1 | 6.90 | 1.32 |
| Paolino Logistics LLC | Delivery service (except as part of intercity carrier network, U.S. Postal Service) | 60 | 2022 · 1 | 26.50 | 12.55 |
| Paolino Logistics LLC | Logistics Company | 70 | 2023–2025 · 3 | 10.99 | 7.17 |
| Parco - SUSO | Sheeting, rubber, manufacturing | 148 | 2025 · 1 | 1.41 | 2.26 |
| Parco, LLC | Oil seals manufacturing | 146 | 2017–2023 · 4 | 0.64 | 2.25 |
| PBY CA Ontario The Pep Boys | Auto and Home Supply Stores | 21 | 2017 · 1 | 0.00 | 3.95 |
| PCWC Chino Pacific Coast Warehouse Company | General warehousing and storage | 21 | 2020 · 1 | 4.34 | 2.57 |
| PCWC Ontario Pacific Coast Warehouse Company | General warehousing and storage | 53 | 2020–2021 · 2 | — | 2.53 |
| Pelican Products Ontario Case Center Pelican Products | Hardware, plastics, manufacturing | 22 | 2017–2023 · 7 | 0.00 | 2.41 |
| Penske : 4722-00 Cardinal/Ontario, CA Penske Corporation | DCC | 59 | 2017–2018 · 2 | 3.44 | 4.21 |
| Penske : 5132-00 WCD-DCC/Fontana, CA Penske Logistics | DCC | 21 | 2017 · 1 | 20.46 | 4.05 |
| Penske : 5154-00 Kroger FR-DCC/Riverside, CA Penske Corporation | DCC | 24 | 2018 · 1 | 0.00 | 4.21 |
| Perera Construction Perera Construction & Design, Inc. | Construction management, commercial and institutional building | 35 | 2021 · 1 | 0.00 | 0.00 |
| PETRO ONTARIO TRAVEL CENTERS OF AM | Gasoline Service Stations | 155 | 2021 · 1 | 8.54 | 1.47 |
| PGS Terminal Ponce Ground Service LLC | General freight trucking, local | 230 | 2023–2024 · 2 | 2.26 | 2.83 |
| Philips | Dental equipment and instruments manufacturing | 267 | 2024–2025 · 2 | 1.28 | 0.31 |
| Philips Ontario 1700 Philips Oral Healthcare | Sterilizers, dental, manufacturing | 193 | 2017 · 1 | 1.40 | 0.00 |
| Phoenix Arms | Firearms, small, manufacturing | 7 | 2017–2024 · 6 | 0.00 | 1.98 |
| Pick Your Part Ontario | Motor vehicle parts, used, merchant wholesalers | 34 | 2025 · 1 | 10.87 | 0.00 |
| Pinnacle Cabling & Construction Inc Pinnacle Cabling & Construction | Drilling Contractor | 26 | 2018 · 1 | 12.44 | 1.25 |
| Plaskolite Ontario WHS DHL Supply Chain | Motor Freight Transportation And Warehousing | 3 | 2017–2018 · 2 | 0.00 | 2.77 |
| PMR Co., Inc. | Extruded, molded or lathe-cut rubber goods manufacturing | 24 | 2018–2025 · 8 | 0.00 | 2.26 |
| Pneumatic Scale Angelus - Ontario Pneumatic Scale Angelus | Packaging machinery manufacturing | 34 | 2018 · 1 | — | 2.44 |
| Pratt Retail Specialties, LLC Ontario, CA Pratt Retail Specialties LLC | Paper (e.g., fine, printing, writing), bulk, merchant wholesalers | 50 | 2017–2023 · 7 | 1.98 | 0.00 |
| PRC Composites, LLC | Septic tanks, plastics or fiberglass, manufacturing | 95 | 2016–2017 · 2 | 6.39 | 3.10 |
| Premier Paving, Inc. | Asphalt paving (i.e., highway, road, street, public sidewalk) | 30 | 2017–2018 · 2 | 3.74 | 3.03 |
| PreZero Services PreZero US Services, LLC | Recyclable materials (e.g., glass, metal, paper) merchant wholesalers | 39 | 2020 · 1 | — | 1.28 |
| Prime Healthcare Management, Inc. | Corporate offices | 2,076 | 2018–2025 · 8 | 0.55 | 0.00 |
| Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) St. Mary's General Hospital | Hospitals, general medical and surgical | 727 | 2022–2024 · 2 | 1.39 | 4.31 |
| Primo Brands - Ontario Factory | Beverages, naturally carbonated bottled water, manufacturing | 81 | 2025 · 1 | 0.00 | 2.89 |
| Primo Brands - West Transport | Bottles, plastics, manufacturing | 78 | 2024–2025 · 2 | 3.18 | 1.96 |
| Production Line Minsley, Inc. | Rice mixes (i.e., uncooked and packaged with other ingredients) made from purchased rice and dry ingredients | 54 | 2017–2020 · 2 | 1.89 | 3.21 |
| Progressive Fastening Systems Inc progressive fastening | Adhesives and sealants merchant wholesalers | 21 | 2019 · 1 | 0.00 | 0.00 |
| Prologis - Ontario Prologis, L.P. | Lessors of nonresidential buildings (except miniwarehouses) | 34 | 2023–2025 · 3 | 5.66 | 0.00 |
| Promax ontario Promax Personnel LLC | Placement agencies or services, employment | 1 | 2024 · 1 | 0.00 | 0.00 |
| Prospect Employment Services | Temporary staffing services | 20 | 2025 · 1 | 0.00 | 0.00 |
| ProtecPac Specialized Packaging Group | Packaging, foam plastics (except polystyrene), manufacturing | 14 | 2025 · 1 | 0.00 | 1.96 |
| PVTA First Transit | Streetcars and car equipment, urban transit, manufacturing | 30 | 2019 · 1 | 5.93 | 2.14 |
| QVC, Inc. (Ontario) QVC, Inc. | General warehousing and storage | 995 | 2017–2025 · 9 | 8.98 | 1.68 |
| Qycell Corporation | Foam plastics products (except polystrene) manufacturing | 39 | 2023–2025 · 3 | 2.40 | 1.96 |
| Qycell Corporation | Packaging, foam plastics (except polystyrene), manufacturing | 39 | 2024 · 1 | — | 2.12 |
| R&B WHOLESALE DISTRIBUTOR ONT BRANCH R&B WHOLESALE DISTRIBUTOR, INC | Appliances, surgical, merchant wholesalers | 90 | 2017–2019 · 3 | 3.21 | 0.00 |
| R&I Industries, Inc. | Sheet metal work (except stampings) manufacturing | 32 | 2017 · 1 | 3.00 | 4.15 |
| Rama Food Manufacture Corp | Noodles, fresh, manufacturing | 63 | 2017 · 1 | 4.58 | 3.52 |
| Rancho Ontario Cabrillo Management Corporation | Lessors of Other Real Estate Property | 4 | 2025 · 1 | 0.00 | 0.00 |
| Ray Products Company, Inc. | Resins, plastics (except custom compounding purchased resins), manufacturing | 46 | 2017 · 1 | 8.87 | 1.19 |
| RDC Ontario Signify NA Company | Distribution boards, electric, manufacturing | 28 | 2020 · 1 | 0.00 | 1.33 |
| RDI-USA Inc. Ontario RDI-USA Inc. | Hotel equipment and supplies (except furniture) merchant wholesalers | 5 | 2019 · 1 | 0.00 | 0.00 |
| RDM Electric Co., Inc. | Security and fire system, installation only | 151 | 2018–2024 · 6 | 3.67 | 1.23 |
| Reckitt Benckiser FedEx Supply Chain | General warehousing and storage | 71 | 2017–2018 · 2 | 7.46 | 2.77 |
| Recycled Wood Prodcuts Recycled Wood Products | Applicators, wood, manufacturing | 69 | 2024–2025 · 2 | 12.77 | 3.26 |
| Regal Beloit America, Inc. Ontario California Regal Beloit America, Inc. | Warehousing (including foreign trade zones), general merchandise | 21 | 2022–2025 · 4 | 4.88 | 1.68 |
| Regal Industries, Inc. Regal Industries Inc | Caulking (i.e., waterproofing) contractors | 16 | 2017–2025 · 9 | 0.00 | 1.26 |
| RehabAbilities, Inc. | Physical therapy offices (e.g., centers, clinics) | 69 | 2023 · 1 | 0.00 | 0.00 |
| Renal Home Patient - P and F (Ontario CA USA - P and F) Baxter Supply Chain | Trucking, specialized freight (except used goods), local | 44 | 2023–2024 · 2 | 4.36 | 2.05 |
| Renal Home Patient - P and F (Ontario, CA USA - P and F) Baxter Healthcare Corp. | Catheters manufacturing | 43 | 2022 · 1 | 6.50 | 1.14 |
| Renal Private Fleet - P and F (Ontario CA USA - P and F) Vantive US Healthcare LLC USA | Trucking, specialized freight (except used goods), local | 46 | 2025 · 1 | 0.00 | 1.84 |
| rePlanet LLC | Recyclable materials (e.g., glass, metal, paper) merchant wholesalers | 766 | 2017–2018 · 2 | 16.97 | 2.69 |
| Residence Inn Ontario Airport Highgate Holdings | Hotels (except casino hotels) | 30 | 2022 · 1 | 16.81 | 2.88 |
| Resort Vacations 7 Resort Vacations | Agencies, real estate escrow | 11 | 2018–2020 · 3 | 0.00 | 0.00 |
| Response Envelope, Inc. | Envelopes (i.e., mailing, stationery) made from any material | 120 | 2024 · 1 | 1.15 | 1.64 |
| Response Envelope, Inc. | Envelopes (i.e., mailing, stationery) made from any material | 93 | 2024 · 1 | 4.49 | 1.64 |
| Retail Store #268 Corelle Brands LLC | Kitchenware stores | 14 | 2017 · 1 | 0.00 | 5.26 |
| RGH Enterprises - Ontario, CA RGH Enterprises | Medical equipment and supplies stores | 220 | 2016–2018 · 3 | 8.64 | 0.00 |
| RGH Enterprises, LLC. Cardinal Health | Medical equipment and supplies stores | 327 | 2023–2025 · 3 | 1.34 | 0.00 |
| RHSI Ontario Raymond Handling Solutions, Inc. | Material handling service repair and maintenance | 284 | 2023–2025 · 3 | 4.64 | 0.42 |
| Ricoh Electronics, Inc. Ontario Ricoh Electronics, Inc. | Pressure sensitive paper and tape (except medical) made from purchased materials | 17 | 2021–2023 · 3 | 0.00 | 1.98 |
| Riddell Ontario Riddell Sports Group Inc | Football equipment and supplies (except footwear, uniforms) manufacturing | 28 | 2016–2020 · 4 | 0.00 | 2.15 |
| Rite Staff at Restoration Hardware | Furniture (except drafting tables, hospital beds, medical furniture) merchant wholesalers | 45 | 2023 · 1 | 0.00 | 0.00 |
| Robert Alan Construction, Inc. Robert Alan Construction, Inc | Foundation, building, poured concrete, contractors | 30 | 2021–2025 · 5 | 0.00 | 1.60 |
| ROBINSON ROOFING & CONSULTING RAPHAEL ROBINSON | ROOFING-ALL KINDS(COMMERCIAL) | 24 | 2016–2018 · 3 | 0.00 | 3.45 |
| ROBINSON ROOFING AND CONSULTING FrankCrum | — | 19 | 2016 · 1 | 0.00 | 3.45 |
| Rohrer Corporation - Ontario Facility Rohrer Corporation | Awnings, rigid plastics or fiberglass, manufacturing | 5 | 2019 · 1 | 0.00 | 2.80 |
| Ross store 1627 Ross Stores Inc | Retail Store | 43 | 2017–2020 · 4 | 12.20 | 1.82 |
| Rossetti Construction Company, Inc. | Commercial building construction general contractors | 3 | 2017–2018 · 2 | 0.00 | 0.87 |
| RSHI Ontario Raymond Handling Solutions, Inc. | Material handling service repair and maintenance | 284 | 2025 · 1 | 4.64 | 0.42 |
| RUSNAK ONTARIO | Automobile dealers, new only or new and used | 28 | 2024–2025 · 2 | 3.32 | 2.32 |
| Ruthless Vapor Corp | Cutting oils, synthetic, manufacturing | 75 | 2018 · 1 | 6.41 | 1.92 |
| Ryan Electric, Inc | Electrical contractors | 14 | 2024 · 1 | 0.00 | 1.23 |
| Ryder - Birchstone Ontario Ryder System, Inc - Birchstone Ontario | Pallet parts, wood, manufacturing | 3 | 2024–2025 · 2 | 18.53 | 3.26 |
| Ryder - Birchstone Ontario TPM Ryder System Inc - Birchstone Ontario TPM | Pallet containers, wood or wood and metal combination, manufacturing | 3 | 2024–2025 · 2 | 18.53 | 3.26 |
| Ryder Location 9049 Ryder Logistics | Warehouse & Storage | 32 | 2021–2023 · 3 | 5.98 | 1.97 |
| Ryder Systems Inc | General warehousing and storage | 40 | 2022 · 1 | 2.46 | 2.47 |
| S&S Truck Parts - CA | Automotive parts and supply stores | 10 | 2023–2025 · 3 | 0.00 | 2.67 |
| Saber Fitness Ontario, LLC Taymax Group, LP | Physical fitness facilities | 18 | 2023–2025 · 3 | 0.00 | 0.00 |
| Saber Gateway Ontario, LLC Taymax Group, LP | Physical fitness facilities | 2 | 2025 · 1 | 0.00 | 0.00 |
| Safariland LLC | Holsters, leather, manufacturing | 83 | 2018–2024 · 7 | 0.00 | 4.10 |
| Safelite 072 | TERMINAL AND JOINT TERMINAL MAINTENANCE FACILITIES FOR MOTOR FREIGHT | 9 | 2025 · 1 | 0.00 | 0.00 |
| Safety Kleen Systems Inc 77ONM Clean Harbors | — | 1 | 2020 · 1 | 0.00 | 1.92 |
| SAG CTSC 054 Ontario CA The Goodyear Tire & Rubber Company | Engaged in retailing automotive parts and accessories in combination with automotive repair services. | 23 | 2025 · 1 | 22.13 | 2.67 |
| Salem Christian Homes, Inc.-Blue Jay Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2018–2019 · 2 | 2.49 | 2.33 |
| Salem Christian Homes, Inc.-Bonnie Brea Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 0.83 | 2.33 |
| Salem Christian Homes, Inc.-Boulder Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 2.49 | 2.33 |
| Salem Christian Homes, Inc.-Casa Puente Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 0.83 | 2.33 |
| Salem Christian Homes, Inc.-La Deney Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 4.14 | 2.33 |
| Salem Christian Homes, Inc.-Manzanita Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 0.00 | 2.33 |
| Salem Christian Homes, Inc.-Oak Hill Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 0.00 | 2.33 |
| Salem Christian Homes, Inc.-Salem South Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 0.83 | 2.33 |
| Salem Christian Homes, Inc.-Schoneveld Home Salem Christian Homes, Inc. | Intellectual and developmental disability facilities (e.g., homes, hospitals, intermediate care facilities), residential | 158 | 2017–2019 · 3 | 4.97 | 2.33 |
| Samsung Electronics America 1209 | TERMINAL AND JOINT TERMINAL MAINTENANCE FACILITIES FOR MOTOR FREIGHT | 1 | 2025 · 1 | — | 0.00 |
| San Bernadino Konecranes, Inc | Overhead Traveling Cranes,Hoists,Monorail Systems | 20 | 2018 · 1 | 4.66 | 2.44 |
| San Bernardino Contemporary Services Corp | — | 2,195 | 2016–2025 · 10 | — | 0.00 |
| San Bernardino County- ParksCucamonga Guasti | — | 13 | 2025 · 1 | 0.00 | 4.24 |
| San Bernardino County- Public Health Oral Health Disease C. Clinic Ops | — | 207 | 2025 · 1 | 6.14 | 0.00 |
| San Bernardino County- TAD - ONTARIO 15 | — | 89 | 2025 · 1 | 6.22 | 0.01 |
| San Bernardino County- TAD - ONTARIO 1637 | — | 88 | 2025 · 1 | 7.78 | 0.01 |
| San Bernardino County- TAD - ONTARIO 75 | — | 172 | 2025 · 1 | 1.92 | 0.01 |
| San Bernardino County-Behavioral Health West Valley CALworks ADS- Ontario | — | 52 | 2025 · 1 | 6.74 | 0.00 |
| SAN DIMAS LUGGAGE-ONTARIO LVMH MOET HENNESSY LOUIS VUITTON INC. | Womens Handbag and Purse Manufacturing | 150 | 2016–2025 · 10 | 3.41 | — |
| SART West End Family Counseling Services | Mental health centers and clinics (except hospitals), outpatient | 15 | 2025 · 1 | 0.00 | 0.00 |
| SAS Services Ontario, Inc | Airport baggage handling services | 16 | 2019–2021 · 3 | 0.00 | 2.69 |
| SCAL4 Premier Packaging | Boxes, corrugated and solid fiber, made from purchased paper or paperboard | 3 | 2022 · 1 | 50.54 | 2.10 |
| Schaefer Equipment, Inc. | Construction machinery and equipment rental or leasing without operator | 6 | 2017–2025 · 8 | 0.00 | 0.00 |
| Schaefer Equipment, Inc. | Construction machinery and equipment rental or leasing without operator | 7 | 2023 · 1 | 0.00 | 0.00 |
| Schenker Inc. Kraft - Ontario DB Schenker Inc. | Refrigerated warehousing | 75 | 2016 · 1 | 1.28 | 2.82 |
| Schenker Inc. Mondelez - Ontario DB Schenker inc. | General warehousing and storage | 105 | 2016 · 1 | 1.71 | 2.82 |
| Schwarz Partners Encorr Sheets | Boxes, corrugated and solid fiber, made from purchased paper or paperboard | 120 | 2021–2025 · 5 | 3.14 | 1.64 |
| SCR Ontario ISEC, Inc. | Countertop and cabinet, metal (except residential-type), installation | 72 | 2017–2020 · 4 | 0.00 | 2.16 |
| SDO: ONTARIO, CA Staples Contract & Commercial, LLC | Couriers and Express Delivery Services | 53 | 2022 · 1 | 1.94 | 7.68 |
| Sea to Land Logisitcs Sea to Land Logistics | General warehousing and storage | 24 | 2024 · 1 | 0.00 | 1.74 |
| Sefar Inc - CA Sefar Inc. | Apparel trimmings merchant wholesalers | 22 | 2023–2025 · 3 | 0.00 | 0.81 |
| Service 5202 Leslie's Poolmart Inc. | Miscellaneous Retail Stores - NEC | 8 | 2016–2017 · 2 | 20.50 | 0.00 |
| Service Connection - 1015 Service Connection, Inc. | Warehousing and storage, general merchandise | 119 | 2018–2025 · 8 | 7.96 | 1.68 |
| Service Connection - 1391 Service Connection, Inc. | Warehousing and storage, general merchandise | 28 | 2018–2025 · 7 | 11.67 | 1.68 |
| SH - ONTARIO - 7363 5660 HOSPITAL REHABILITATION SERVICES - D530108 | Specialty Hospital | 16 | 2023 · 1 | 0.00 | 3.79 |
| SH ONTARIO 7363 5660 Kindred Rehab Services LLC | Offices of Physical, Occupational Speech Therapists and Audiologists | 16 | 2022–2023 · 2 | 0.00 | 0.00 |
| Sheraton Ontario Airport Hotel | Hotels (except casino hotels) | 63 | 2019–2025 · 5 | — | 2.90 |
| ShipBob ONT6 ShipBob | General warehousing and storage | 1 | 2024 · 1 | 200.00 | 1.74 |
| Shorr Packaging Corp. CA-407/414 Shorr Packaging Corp. | General warehousing and storage | 70 | 2018–2025 · 6 | 1.45 | 1.68 |
| Sierra Insulation Contractors Sierra Insulation Contractors II, LLC | Insulation contractors | 32 | 2018–2025 · 8 | 6.23 | 1.26 |
| Sigma Corporation Ontario Sigma Corporation | Bonded warehousing, general merchandise | 25 | 2016–2022 · 5 | 0.00 | 2.47 |
| Signify Lighting NA | Lighting fixtures, electric, merchant wholesalers | 40 | 2019 · 1 | 0.00 | 0.00 |
| Sit n Sleep - 43 | Homefurnishings stores | 2 | 2019 · 1 | 0.00 | 5.27 |
| SitelogIQ-C&I SitelogIQ | Electrical contractors | 78 | 2022–2025 · 4 | 3.57 | 1.10 |
| Smalley & Company - Ontario Smalley & Company | Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers | 9 | 2016–2020 · 5 | 0.00 | 2.35 |
| So-CAL DC Saladinos Inc | Groceries, general-line, merchant wholesalers | 466 | 2017–2018 · 2 | 2.41 | 5.39 |
| SODEXO AT TOYOTA ONTARIO ORS Sodexo Inc | Food Service Contractors | 1 | 2023 · 1 | — | 0.00 |
| Soil Amendments and Playground chips Artesia Sawdust Products Inc | Sawdust, regrinding | 24 | 2018–2023 · 6 | 13.58 | 4.41 |
| Soil Amendments and Playground Chips Artesia Sawdust Products | Sawdust, regrinding | 24 | 2024 · 1 | 9.74 | 4.00 |
| SourceNowLLC SourceNow, LLC | Temporary staffing services | 1,069 | 2024–2025 · 2 | 8.07 | 0.00 |
| Southern California Neenah Enterprises | Foundries, iron (i.e., ductile, gray, malleable, semisteel) | 2 | 2016–2017 · 2 | 47.85 | 6.29 |
| Southern California SCC Dominos Pizza LLC | Refridgerated Warehouse Storage | 154 | 2025 · 1 | 8.93 | 1.68 |
| Southern California - SCC Domino's Pizza LLC | Refrigerated warehousing | 184 | 2016–2024 · 8 | 4.98 | 1.74 |
| Southwest Concrete Products CalPortland | Precast concrete block and brick manufacturing | 33 | 2020–2022 · 3 | 3.21 | 2.84 |
| Southwest Medical Resources | Repair and Sales of MRI + CT equipment | 70 | 2019–2020 · 2 | 1.51 | 0.00 |
| Southwest Service Center AADG, Inc. | Door frames and sash, metal, manufacturing | 32 | 2019 · 1 | 0.00 | 4.07 |
| Southwest Service Center ASSA ABLOY Door Group, Inc. | Casements, metal, manufacturing | 58 | 2023 · 1 | 5.15 | 3.27 |
| Specialty Coating Systems Ontario CA Specialty Coating Systems | Coating of metal and metal products with plastics for the trade | 42 | 2018–2025 · 8 | 4.61 | 2.62 |
| SPL- Encorr Sheets CA SPL | Paper products (except office supply), die-cut, made from purchased paper or paperboard | 92 | 2017–2018 · 2 | 5.33 | 2.26 |
| St Worth Container, LLC St. Worth Container, LLC | Boxes, corrugated and solid fiber, made from purchased paper or paperboard | 68 | 2018 · 1 | 2.51 | 2.26 |
| Stallantis Ontario DDS. (SMRU10269) DHL Supply Chain | Motor Freight Transportation And Warehousing | 60 | 2021 · 1 | 1.42 | 2.50 |
| STANDARD REGISTER ONTARIO CA - 02204 Taylor Communications | — | 39 | 2017 · 1 | 2.65 | 2.22 |
| Staples Houston Fulfillment Center Staples inc. | General warehousing and storage | 208 | 2020 · 1 | 3.59 | 2.57 |
| Staples Ontario PSO Staples | Courier services (i.e., intercity network) (except establishments operating under a universal service obligation | 55 | 2016–2021 · 6 | 4.12 | 7.39 |
| Sterling Corporate Custom Elevator Interiors | Elevator installation | 28 | 2024 · 1 | 0.00 | 1.23 |
| Store 131 Leslie's Poolmart Inc. | Miscellaneous Retail Stores - NEC | 4 | 2016–2017 · 2 | 0.00 | 0.00 |
| Store 19 Turners Outdoorsman | Retail | 23 | 2022 · 1 | 55.09 | 8.30 |
| Store 210 Jacksons Food Stores Inc | Retail | 9 | 2021–2025 · 5 | 0.00 | 3.16 |
| Store 211 Jacksons Food Stores Inc | Retail | 8 | 2021–2025 · 5 | 0.00 | 3.16 |
| Store 584 Awesome Doughnut LLC | Doughnuts (except frozen) made in commercial bakeries | 47 | 2023–2025 · 3 | 0.00 | 3.33 |
| Stremicks Heritage Foods Ontario Stremicks Heritage Foods | Private warehousing and storage, general merchandise | 12 | 2018 · 1 | 0.00 | 2.77 |
| Summit Machine | Machine shops | 85 | 2017–2025 · 3 | 2.37 | 2.21 |
| Summit Machine, LLC | Machine shops | 80 | 2023 · 1 | 0.00 | 2.33 |
| Sun Badge Company | Badges, metal, manufacturing | 37 | 2024 · 1 | 2.64 | 1.98 |
| Suncoast Post-Tension - Ontario Suncoast Post-Tension, Ltd. | Manufacturing | 145 | 2017 · 1 | 0.00 | 3.75 |
| SunPower Corporation - SPON SunPower Corporation | Installation of photovoltaic panels | 118 | 2019–2023 · 5 | 11.86 | 1.38 |
| Sunrise Airport Parking Sunrise Parking LLC | Airport limousine services (i.e., shuttle) | 20 | 2018 · 1 | 0.00 | 4.60 |
| Superior Grocers 120 Superior Grocers | Grocery Store | 84 | 2017–2025 · 9 | 3.29 | 3.16 |
| Superior Mold Company, Inc | Printed circuit boards, bare, manufacturing | 25 | 2017–2019 · 3 | 0.00 | 0.77 |
| Suppose U Drive Inc. | Truck tractor rental or leasing | 55 | 2021–2025 · 4 | 1.82 | 3.11 |
| Sure Shot Transit Solutions LLC | General freight trucking, long-distance, truckload (TL) | 5 | 2023–2025 · 3 | 0.00 | 2.83 |
| Swickard Crown LLC Crown Toyota | Automobile dealers, new only or new and used | 265 | 2022 · 1 | 6.99 | 2.50 |
| Swissport Aspire Lounge - ONT - ONT-LOU Swissport Aspire Lounge - ONT | Airport Lounge | 33 | 2024–2025 · 2 | 0.00 | 0.00 |
| Swissport Ground Handling - ONT - ONT-GRH Swissport Ground Handling - ONT | Other Airport Service | 7 | 2023 · 1 | 0.00 | 2.36 |
| TA ONTARIO TRAVEL CENTERS OF AM | Gasoline Service Stations | 134 | 2021 · 1 | 8.35 | 1.47 |
| Taylor Comms - Ontario CA - 0222-CAON1 | — | 32 | 2018–2024 · 7 | 3.32 | 1.50 |
| Taylored Services LLC - Ontario Yusen Logistics (Americas) | General warehousing and storage | 123 | 2017–2024 · 5 | 0.84 | 1.74 |
| TC Transcontinental Ontario TC Transcontinental | Film, plastics (except packaging), manufacturing | 95 | 2019–2021 · 3 | 3.38 | 2.67 |
| Test Rite Products Corp | Homefurnishings merchant wholesalers | 140 | 2025 · 1 | 0.70 | 0.00 |
| TFSC Taylor Farms Southern California, Inc. | Salad dressings manufacturing | 130 | 2023 · 1 | 3.44 | 2.66 |
| TGC-LOS The Gund Company Inc. | Insulators, electrical (except glass, porcelain), manufacturing | 43 | 2020–2024 · 5 | 3.69 | 1.21 |
| THD ONTARIO HUB GROUP DEDICATED | General freight trucking, local | 121 | 2020 · 1 | 3.66 | 3.38 |
| The Complete Logistics Company | Bulk mail truck transportation, contract, local | 132 | 2018–2020 · 2 | 3.44 | 3.38 |
| The Landing Ontario Greystar | — | 24 | 2023–2025 · 2 | 11.99 | 0.00 |
| The Newark Group dba Greif Greif | Fiber tubes made from purchased paperboard | 31 | 2016–2021 · 6 | 16.58 | 2.25 |
| The Tranzonic Companies - Adenna LLC The Tranzonic Companies | Paper products (except office supply), die-cut, made from purchased paper or paperboard | 18 | 2019–2020 · 2 | 0.00 | 1.91 |
| TIDI Ontario TIDI Products | IV apparatus manufacturing | 20 | 2022 · 1 | 15.95 | 1.14 |
| TMNA North American Parts Center California Toyota Motor North America | General warehousing and storage | 527 | 2017–2025 · 9 | 2.27 | 1.68 |
| TMX2064 RENTOKIL NORTH AMERICA | EXTERMINATING AND PEST CONTROL SERVICES | 33 | 2016–2024 · 8 | 0.00 | 0.00 |
| TMX2913 - WEST COMMERCIAL REGION | — | 6 | 2018–2020 · 3 | 0.00 | 2.52 |
| Topgolf Ontario Topgolf International Inc. | Amusement and Recreation Services | 381 | 2023–2024 · 2 | 6.39 | 0.00 |
| Toto USA Ontario | Toilet fixtures, vitreous china, manufacturing | 37 | 2016–2025 · 9 | 3.13 | 2.24 |
| Toyo Tire Holdings of Americas Inc. - Ontario Toyo Tire Holdings of Americas Inc. | Motor vehicle tire and tube merchant wholesalers | 50 | 2017 · 1 | 9.81 | 3.05 |
| Toyota Arena | Promoters of live performing arts productions (e.g., concerts) with facilities | 478 | 2025 · 1 | 6.87 | 3.56 |
| TOYOTA MOTOR SALES Sodexo Inc | Food Service Contractors | 8 | 2021–2024 · 4 | 0.00 | 0.00 |
| TPSI Ontario Turner Packaging Solutions, Inc. | Bonded warehousing, general merchandise | 3 | 2023–2025 · 3 | 0.00 | 1.68 |
| Training Center - Ontario Nissan North America | Professional development training | 6 | 2016 · 1 | 0.00 | 0.00 |
| Transcontinental Packaging Ontario TC Transcontinental | Acrylic film and unlaminated sheet (except packaging) manufacturing | 64 | 2022–2025 · 4 | 0.00 | 1.96 |
| Trek Bicycle Corporation- CA Distribution Center Trek Bicycle Corporation | Sporting goods and supplies merchant wholesalers | 56 | 2018 · 1 | 8.83 | 2.69 |
| Tropicale Foods, LLC. - Ontario Tropicale Foods, LLC. | Ice cream manufacturing | 250 | 2018–2025 · 5 | 4.81 | 3.46 |
| Truck Driver Leasing in Ontario, CA Premium Transport Staffing, Inc. | Staff leasing services | 280 | 2017 · 1 | 7.19 | 0.00 |
| Truck Shop Operations Western States Wholesale Inc. | Precast concrete products (except brick, block, pipe) manufacturing | 3 | 2016–2020 · 5 | 0.00 | 3.34 |
| TTHA Ontario Toyo Tires Holdings of America, Inc | Tires, new, motor vehicle, merchant wholesalers | 59 | 2024–2025 · 2 | 8.31 | 0.00 |
| Tuff Shed Store 120-Ontario-SW Tuff Shed | Buildings, prefabricated, wood, manufacturing | 37 | 2020–2021 · 2 | 7.25 | 4.80 |
| Turbine Repair Services, LLC | Machine shops | 49 | 2020–2021 · 2 | 0.00 | 2.56 |
| UGE ONT United Ground Express | Airport baggage handling services | 58 | 2018 · 1 | — | 3.14 |
| UIMG - Ontario Smith Chason College Inc | Medical | 2 | 2025 · 1 | 0.00 | 0.00 |
| Unifi Aviation Services ONT Ontario Unifi Aviation, LLC | Support Activities for Air Transportation | 112 | 2022–2025 · 4 | 4.77 | 2.37 |
| UniFirst ONTARIO CA - 285 325 UniFirst | Industrial Launderer | 167 | 2025 · 1 | 11.53 | 2.16 |
| Unit 144 BAKERS BURGERS INC | 722513 Limited-Service Restaurants | 31 | 2020–2022 · 2 | 37.50 | 2.68 |
| Universal Wire Inc | Brackets made from purchased wire | 11 | 2020 · 1 | 0.00 | 3.52 |
| UPHOLSTERY O W LEE CO INC O W LEE CO INC | Furniture, household-type, upholstered on frames of any material, manufacturing | 27 | 2017 · 1 | 4.44 | 3.77 |
| Upland Contracting, Inc. | Concrete reinforcement placement | 35 | 2017 · 1 | 0.00 | 3.75 |
| Upland Fab Inc | Machine shops | 30 | 2017–2024 · 3 | 0.00 | 2.16 |
| UPLAND FAB, INC UPLAND FAB | Machine shops | 24 | 2017–2018 · 2 | 4.09 | 3.48 |
| UPM Raflatac Ontario UPM Raflatac | Bags, coated paper, made from purchased paper | 22 | 2016–2023 · 8 | 9.49 | 1.98 |
| US CA Ontario Plant The Sherwin-Williams Company | Paint and coating manufacturing | 22 | 2017–2023 · 7 | 0.00 | 1.51 |
| US CA Ontario THD RDC Onsite Hub Group Inc | Specialized Freight (except Used Goods) Trucking, Local | 92 | 2021–2025 · 5 | 3.88 | 1.84 |
| US Foods Ontario US Foods | Food Distribution | 141 | 2024–2025 · 2 | 0.00 | 3.31 |
| USA Ontario 3450 E Airport Dr AB Car Rental Services Inc | Rental Car | 56 | 2017–2025 · 9 | 1.72 | 3.11 |
| USON Ingram Micro, Inc. Ingram Micro Inc. | General warehousing and storage | 39 | 2019 · 1 | 0.00 | 2.71 |
| USON, Ingram Micro Inc. Ingram Micro Inc | General warehousing and storage | 131 | 2020–2021 · 2 | 1.94 | 2.53 |
| Utility Consulting & Design | Consulting engineers' offices | 4 | 2020 · 1 | 0.00 | 0.00 |
| VCSS Admin Ontario Victor Community Support Services | Mental health centers and clinics (except hospitals), outpatient | 54 | 2022–2025 · 4 | 0.00 | 0.00 |
| VenturaFoods LLC Mitsui & Co. | Margarine-butter blend made from purchased fats and oils | 543 | 2017–2025 · 9 | 2.12 | 2.23 |
| Venture Transport, LLC - New Indy Ontario Venture Transport, LLC | General freight trucking, local | 44 | 2025 · 1 | 1.85 | 2.83 |
| Vertex Coatings, Inc | Painting and wallpapering | 95 | 2019–2025 · 6 | 4.94 | 1.26 |
| VF Ontario West Coast DC VF Corporation | Bonded warehousing, general merchandise | 52 | 2022 · 1 | 10.50 | 2.47 |
| Victory Packaging Ontario Victory Packaging | Boxes, paperboard and disposable plastics, merchant wholesalers | 66 | 2016–2019 · 4 | 14.27 | 1.86 |
| Vida Divina Corporate Offices - 1819 Vida Divina Worldwide, Inc. | Corporate offices | 20 | 2023 · 1 | 0.00 | 0.00 |
| Vida Divina Warehouse - 1859 | Packing and preparing goods for shipping | 15 | 2023 · 1 | 0.00 | 1.50 |
| Vida Divina, Ontario Vida Divina Worldwide Inc | Warehousing and storage, general merchandise | 38 | 2021 · 1 | 0.00 | 2.53 |
| Villa Park Trucking Villa Park Trucking, Inc | Agricultural products trucking, local | 75 | 2017–2021 · 3 | 11.57 | 2.52 |
| Vintage Elite Comfort Solutions | Polyurethane foam products manufacturing | 122 | 2018–2019 · 2 | 1.00 | 2.80 |
| Vintage Elite Comfort Solutions | Polyurethane foam products manufacturing | 90 | 2020–2022 · 3 | 2.94 | 2.59 |
| Vishay Spectrol | Inductors, electronic component-type (e.g., chokes, coils, transformers), manufacturing | 40 | 2018–2025 · 8 | 5.58 | 0.23 |
| Vishay Transducers LTD Vishay Precision Group | District and regional offices | 15 | 2024–2025 · 2 | 0.00 | 0.00 |
| Visionary Sleep - Ontario Visionary Sleep, LLC | Mattress Manufacturing | 33 | 2020 · 1 | 8.77 | 3.15 |
| Visionary Sleep LLC - California VISIONARY SLEEP LLC | Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing | 40 | 2017–2019 · 3 | 4.00 | 3.37 |
| Visionary Sleep Ontario | Mattress Manufacturing | 50 | 2021 · 1 | 14.82 | 3.78 |
| Vistar Southern California - 1050 1050 - Vistar Southern California | — | 30 | 2016–2017 · 2 | — | 4.52 |
| Vital Pharmaceuticals Inc -Ontario Vital Pharmaceuticals, Inc. | Beverages, soft drink (including artificially carbonated waters), manufacturing | 36 | 2021 · 1 | 0.00 | 3.67 |
| VITCO DISTRIBUTORS Vitco Foods | distributor to the restaurant and hospitality industries | 340 | 2024 · 1 | — | 2.50 |
| Vitco Foods Distributor | Milk, canned or dried, merchant wholesalers | 384 | 2019–2025 · 6 | 9.90 | 3.31 |
| Vituity Revenue Cycle Management Ontario | — | 1 | 2024 · 1 | — | 1.55 |
| Volvo Cars Ontario | Automobile dealers, new only or new and used | 63 | 2024–2025 · 2 | 0.00 | 2.32 |
| Volvo Cars Ontario Distribution Center Volvo | Automotive parts, new, merchant wholesalers | 24 | 2020–2025 · 5 | 12.02 | 0.00 |
| VSMPO-Tirus VSMPO | Metals service centers | 14 | 2016–2024 · 9 | 0.00 | 2.53 |
| VWGoA Los Angeles PDC Volkswagen Group of America | Assembly plants, passenger car, on chassis of own manufacture | 35 | 2022–2025 · 4 | 19.99 | 2.73 |
| W04-Carlos Facility Flex Logistics, LLC | Private warehousing and storage, general merchandise | 65 | 2025 · 1 | 6.60 | 1.68 |
| W05-Vintage Facility Flex Logistics, LLC | Private warehousing and storage, general merchandise | 17 | 2025 · 1 | 0.00 | 1.68 |
| Wagner Die Supply | Punches for use with machine tools manufacturing | 15 | 2017–2025 · 9 | 0.00 | 1.57 |
| Walker West, LLC | Job stampings, automotive, metal, manufacturing | 118 | 2017–2024 · 6 | 5.18 | 2.28 |
| Warehouse 7 Smart Warehousing, LLC | General warehousing and storage | 20 | 2016–2020 · 5 | 0.00 | 2.57 |
| Warehousing Dorel Home Furnishings | Bonded warehousing, general merchandise | 36 | 2020–2024 · 2 | 5.30 | 1.74 |
| Warren Packaging Inc. | Labels, commercial printing (except screen), on a job-order basis | 25 | 2023–2024 · 2 | 0.00 | 1.50 |
| WAXIE - Ontario Envoy Solutions, LLC | Sanitary paper products merchant wholesalers | 129 | 2023–2024 · 2 | 2.53 | 1.04 |
| WAXIE Ontario BradyPLUS | — | 145 | 2025 · 1 | 7.04 | 0.00 |
| WCC-Ontario West Coast Chain Mfg | Badges, metal, manufacturing | 45 | 2022–2025 · 3 | 0.00 | 1.80 |
| Webasto Ontario Webasto Thermo & Comfort North America | Electricity and electrical signal measuring instruments manufacturing | 13 | 2023–2025 · 3 | — | 0.00 |
| West End Family Counseling Service | Outpatient mental health centers and clinics (except hospitals) | 52 | 2023 · 1 | 0.00 | 0.07 |
| Western Customer Service Linde PLC | Commercial and industrial machinery repair and maintenance services | 29 | 2017–2022 · 5 | 0.00 | 1.09 |
| Western Foods Distributing, Inc. - Ontario Western Foods Distributing, Inc. | Private warehousing and storage, general merchandise | 42 | 2021 · 1 | 0.00 | 2.53 |
| WESTERN REGIONAL INTERNATIONAL AIR HUB (CAEJS) United Parcel Service | Courier Services Except by Air | 1,182 | 2016–2018 · 3 | 6.32 | 8.04 |
| Western States Wholesale | Home centers, building materials | 23 | 2016–2025 · 10 | 4.28 | 2.10 |
| WH 26 Smart Warehousing | General warehousing and storage | 39 | 2016–2024 · 7 | 16.83 | 1.74 |
| Whse 545 - Francis #1 States Logistics Services, Inc. | General warehousing and storage | 51 | 2017–2022 · 5 | 6.11 | 2.47 |
| Whse 549 - Francis #2 States Logistics Services, Inc. | General warehousing and storage | 67 | 2017–2022 · 5 | 4.65 | 2.47 |
| Wieland Metal Services West, LLC (Ontario) Wieland Metal Services West, LLC | Metals service centers | 82 | 2021–2025 · 5 | 0.00 | 2.00 |
| Winholt Equipment Corp Winholt Equipment | Restaurant furniture (e.g., carts, chairs, foodwagons, tables) manufacturing | 21 | 2021–2025 · 5 | — | 2.85 |
| WINWAY LOGISTICS LLC | Trucking, general freight, local | 10 | 2023 · 1 | 0.00 | 2.81 |
| WM 3796 Walmart Inc. | Warehouse Clubs and Supercenters | 446 | 2016–2025 · 10 | 6.81 | 4.92 |
| WM 6619 Sams West, Inc. | Warehouse Clubs and Supercenters | 252 | 2016–2025 · 9 | 6.32 | 4.92 |
| Worldwide Foam - Ontario, CA Jacobs and Thompson LTD dba Worldwide Foam | Packaging, foam plastics (except polystyrene), manufacturing | 4 | 2025 · 1 | 0.00 | 1.96 |
| Worldwide Foam - Ontario, CA Jacobs and Thompson LTD dba Worldwide Foam | Foam plastics products (except polystrene) manufacturing | 4 | 2025 · 1 | 0.00 | 1.96 |
| Worley Field Services at New Indy Containerboard Worley | Industrial building (except warehouses) construction | 28 | 2019–2023 · 5 | 0.00 | 0.00 |
| Xtreme Security Services, Inc XSS, Inc | Security guard services | 105 | 2023 · 1 | 1.84 | 0.07 |
| Yillik Precision Carbides | Cutting dies, metalworking, manufacturing | 32 | 2021 · 1 | 3.32 | 2.32 |
| Yinlun TDI LLC | Air-conditioners, motor vehicle, manufacturing | 13 | 2019–2023 · 5 | 15.10 | 2.44 |
| Yzer Ontario Yzer LLC | Express delivery services (except establishments operating under a universal service obligation) | 32 | 2021–2023 · 3 | 18.71 | 8.29 |
| Zapp Packaging, Inc. | Boxes, folding (except corrugated), made from purchased paperboard | 62 | 2023–2025 · 3 | 1.73 | 1.64 |
| Zodiac Cabin & Structures Support- Engineered Plastics Zodiac Aerospace | Aircraft manufacturing | 330 | 2016 · 1 | 4.82 | 1.45 |
| Zurn Ontario Warehouse Rexnord | General warehousing and storage | 32 | 2017 · 1 | 2.90 | 2.63 |
Alphabetical order — this site ranks no one. TRIR = recordable cases × 200,000 ÷ hours worked, for the latest year the establishment filed. The industry median is that of establishments filing with OSHA in the same 4-digit NAICS industry and year; a median of 0.00 means that at least half of them recorded no case that year. Select a name for the full year-by-year record. How to read this.