Machine shops · Connecticut

Twin Manufacturing Company

South Windsor, CT · ~84 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.8
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Twin Manufacturing Company runs at 84% of its industry's injury rate - about level with the typical Machine shops workplace, earning a grade C.

Twin Manufacturing Company: 2.8 TCR = 84% of Machine shops BLS 3.3 · 5y Form 300A (see methodology below)

Twin Manufacturing Company safety composite

Twin Manufacturing Company scores strongest on dart rate (safer than 75% of same-industry peers) and weakest on fatalities (safer than 50%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.76 per 100 workers

Safer than 60% of industry peers

DART rate
B 0 per 100 workers

Safer than 75% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−1.5

2016→2021

Twin Manufacturing Company injury rate improved

Twin Manufacturing Company's TCR fell 1.5 from 3.5 in 2016 to 1.9 in 2021. Peak filing year was 2020 at 4.9 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2016=3.5 · 2017=3.5 · 2018=0.0 · 2020=4.9 · 2021=1.9

OSHA ITA Form 300A scorecard

Establishment book 332710 · South Windsor, CT AT/BELOW-IND · SMALL

Grade C · TCR 2.8 · 84% of ind

  • DART 0.0 DART
  • RANK #11/32
  • PHOTO D&E Machining, Ltd.
  • BOOK 5y book
  • INJ 13 inj
  • SIZE ~84 FTE

Nearest TCR peer: D&E Machining, Ltd. (0.0 TCR gap)

Read with this employer → · Industry book → · Connecticut employers → · Look up another →

Twin Manufacturing Company in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Twin Manufacturing Company averages 2.8 TCR (84% of the Machine shops BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Twin Manufacturing Company TCR series: 2016=3.5 · 2017=3.5 · 2018=0 · 2020=4.9 · 2021=1.9 · BLS 3.3

Where Twin Manufacturing Company falls in its industry

1,821 Machine shops establishments

Safer than 60% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Connecticut alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 32 Machine shops employers in Connecticut.

Twin Manufacturing Company (84 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150200250 051015 Average employees Total Case Rate Twin Manufacturing Company
Twin Manufacturing Company (84 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 3.5

Twin Manufacturing Company has more employees than the Machine shops median and a lower injury rate than the industry's median TCR of 3.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2021 1.9 0.0 2 0 0
2020 4.9 1.0 5 0 0
2018 0.0 0.0 0 0 0
2017 3.5 2.4 3 0 0
2016 3.5 2.3 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332710 · CT · South Windsor

1,821 Machine shops employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 117 employers in South Windsor, CT · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR D&E Machining, Ltd. 2.8 TCR
NAICS-TCR Applied Technology Manufacturing Co 2.8 TCR
NAICS-TCR Figeac Aero North America Inc 2.8 TCR
NAICS-TCR FM 5 2.8 TCR
STATE-SIZE Fairfield Processing Corporation 84 FTE
STATE-SIZE Prostar, Inc 84 FTE
STATE-SIZE Miyoshi America 84 FTE
STATE-SIZE Kanthal Corporation 84 FTE
CITY-NEAR 1223 Swn1000 630 FTE
CITY-NEAR 6458-ZSWN 579 FTE
CITY-NEAR Broadridge Customer Communications, LLC 571 FTE
CITY-NEAR New England Mechanical Services, Inc. 413 FTE
NAT-TCR Truitt Bros., Inc. KY 2.8 TCR
NAT-TCR Continental Structural Plastics 2.8 TCR
NAT-TCR FMS Jacksonville 2.8 TCR
NAT-TCR Havre de Grace, MD Facility 2.8 TCR
NAT-SIZE Office of Minnesota Secretary of State 84 FTE
NAT-SIZE Haley Chevrolet 84 FTE
NAT-SIZE J1-Channahon 84 FTE
NAT-SIZE Deckerville Hospital 84 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2021, 2020, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.