Workplace injury records in Middlefield, CT
26 establishments in Middlefield filed an OSHA Form 300A summary at least once between 2016 and 2025. The largest industries here: Construction (13), Manufacturing (7), Health Care and Social Assistance (2). 8 had 30 to 200 employees at their latest filing.
| Establishment | Industry | Avg. employees (last filing) | Years filed | TRIR (last filing) | Industry median TRIR |
|---|---|---|---|---|---|
| 084250-MIDDLEFIELD PO US Postal Service | Mail and Parcel Delivery | 9 | 2022 · 1 | 15.28 | 9.22 |
| 2967-CT135 Ametek | Optical Instrument and Lens Manufacturing | 330 | 2021–2022 · 2 | 1.37 | 1.37 |
| Acranom Masonry Enterprises | Masonry contractors | 35 | 2024 · 1 | — | 1.96 |
| Acranom Masonry Enterprises | Masonry contractors | 70 | 2025 · 1 | 0.00 | 1.60 |
| Acranom Masonry Inc Acranom Masonry, Inc | Masonry contractors | 50 | 2022–2024 · 2 | 3.77 | 1.96 |
| Acranom Masonry Inc | Masonry contractors | 109 | 2025 · 1 | 3.65 | 1.60 |
| Acranom Masonry Inc (2) Acranom Masonry, Inc | Masonry contractors | 12 | 2025 · 1 | 0.00 | 1.60 |
| Advanced Sheetmetal Associates, LLC | Heating, ventilation and air-conditioning (HVAC) contractors | 28 | 2019 · 1 | 4.65 | 1.97 |
| AMI Boston AMI BOSTON MASONRY/RESTORATION, INC. | Masonry contractors | 12 | 2025 · 1 | 0.00 | 1.60 |
| Cooper-Atkins Corporation | Temperature instruments, industrial process-type (except glass and bimetal thermometers), manufacturing | 138 | 2016 · 1 | 2.27 | 0.47 |
| CT135 ZYGO CORPORATION Ametek, Inc ZYGO CORPORATION | Optical Instrument and Lens Manufacturing | 383 | 2017–2025 · 4 | 0.88 | 1.00 |
| CT135 ZYGO CORPORATION Ametek, Inc ZYGO CORPORATION | Optical Instrument and Lens Manufacturing | 348 | 2023 · 1 | 0.29 | 0.83 |
| CT135 ZYGO CORPORATION Ametek, Inc ZYGO CORPORATION | Optical Instrument and Lens Manufacturing | 393 | 2024 · 1 | 0.27 | 1.06 |
| Exterior Wall Systems Exterior Wall Systems Global, Inc | Masonry contractors | 10 | 2024 · 1 | 0.00 | 1.96 |
| Exterior Wall Systems Exterior Wall Systems Global, Inc | Masonry contractors | 4 | 2025 · 1 | 0.00 | 1.60 |
| HUBBAR-CTABD-HUBBARD STREET CRS ABILITY BEYOND DISABILITY, INC. | RESIDENTIAL INTELLECTUAL AND DEVELOPMENTAL DISABILITY FACILITIES | 9 | 2024 · 1 | 0.00 | 0.38 |
| HUBBAR-CTABD-HUBBARD STREET CRS ABILITY BEYOND DISABILITY, INC. | RESIDENTIAL INTELLECTUAL AND DEVELOPMENTAL DISABILITY FACILITIES | 9 | 2025 · 1 | 21.66 | 0.00 |
| J&M Steel Erectors, LLC J & M Steel Erectors, LLC | Iron work, structural, contractors | 20 | 2020 · 1 | 0.00 | 2.54 |
| J&M Steel Erectors, LLC J & M Steel Erectors, LLC | Iron work, structural, contractors | 25 | 2022 · 1 | 0.00 | 2.30 |
| Monarca Enterprises LLC | Masonry contractors | 25 | 2024 · 1 | — | 1.96 |
| Monarca Enterprises LLC | Masonry contractors | 39 | 2025 · 1 | 10.03 | 1.60 |
| Powder Ridge Mountain Park & Resort | Ski lift and tow operators | 275 | 2023–2025 · 2 | 3.66 | 0.00 |
| Powder Ridge Mountain Park & Resort | Ski lift and tow operators | 268 | 2024 · 1 | 32.38 | 0.00 |
| Town Of Middlefield Ct | General public administration | 45 | 2017–2020 · 4 | 0.00 | 0.10 |
| Wepco Plastics, Inc. | Hardware, plastics, manufacturing | 30 | 2019 · 1 | 0.00 | 2.80 |
| Zygo Corporation AMETEK | Acidity (i.e., pH) measuring equipment, laboratory analysis-type, manufacturing | 295 | 2016 · 1 | 2.03 | 0.47 |
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.