Testing Laboratories · Massachusetts

Thielsch Engineering Office - Braintree MA

Braintree, MA · ~25 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
3.0
Avg TCR
0.5
Industry avg
0
Fatalities
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The verdict

Thielsch Engineering Office - Braintree MA runs at 600% of its industry's injury rate - far more dangerous than the typical Testing Laboratories workplace, earning a grade F.

Thielsch Engineering Office - Braintree MA: 3.0 TCR = 600% of Testing Laboratories BLS 0.5 · 3y Form 300A (see methodology below)

Thielsch Engineering Office - Braintree MA safety composite

Thielsch Engineering Office - Braintree MA scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 6%), 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).

F

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3 per 100 workers

Safer than 18% of industry peers

DART rate
F 5 per 100 workers

Safer than 6% 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%).

Rising injury rate

Thielsch Engineering Office - Braintree MA: 0.0 → 5.0 TCR

Peak year 2023 @ 5.0 TCR · DART/TCR 1.67× in 2023

Thielsch Engineering Office - Braintree MA's TCR rose 5.0 from 0.0 in 2021 to 5.0 in 2023. In 2023, DART was 1.67× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 541380 · Braintree, MA ABOVE-IND · SMALL

Grade F · TCR 3.0 · 600% of ind

  • DART 5.0 DART
  • RANK #5/6
  • PHOTO RMA-Rancho Cordova
  • BOOK 3y book
  • INJ 2 inj
  • SIZE ~25 FTE

Nearest TCR peer: RMA-Rancho Cordova (0.0 TCR gap)

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

Thielsch Engineering Office - Braintree MA in the TCR neighbourhood

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

TCR

What this shows Thielsch Engineering Office - Braintree MA averages 3.0 TCR (600% of the Testing Laboratories BLS benchmark).

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

Thielsch Engineering Office - Braintree MA TCR series: 2021=0 · 2022=4 · 2023=5 · BLS 0.5

Where Thielsch Engineering Office - Braintree MA falls in its industry

232 Testing Laboratories establishments

Safer than 18% of graded establishments in this industry, whose median TCR is 1.0.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 6 Testing Laboratories employers in Massachusetts.

Thielsch Engineering Office - Braintree MA (25 employees, TCR 3.0) among 29 same-industry peers, split at the industry median of 81 employees and a TCR of 1.0 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 01,0002,0003,0004,0005,000 05101520 Average employees Total Case Rate Thielsch Engineering Office - Braintree MA
Thielsch Engineering Office - Braintree MA (25 employees, TCR 3.0) among 29 same-industry peers, split at the industry median of 81 employees and a TCR of 1.0

Thielsch Engineering Office - Braintree MA has fewer employees than the Testing Laboratories median and a higher injury rate than the industry's median TCR of 1.0. 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
2023 5.0 5.0 1 0 0
2022 4.0 4.0 1 0 0
2021 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

541380 · MA · Braintree

232 Testing Laboratories employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 95 employers in Braintree, MA · 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 RMA-Rancho Cordova 3.0 TCR
NAICS-TCR Chardon Laboratories, Inc. 2.9 TCR
NAICS-TCR Eurofins SF Analytical Labs 2.9 TCR
NAICS-TCR Element St. Paul 2.9 TCR
STATE-SIZE GREAT BARRINGTON-MA11 25 FTE
STATE-SIZE HANOVER-MA12 25 FTE
STATE-SIZE Eversource - Marshfield 25 FTE
STATE-SIZE Knollmeyer Building Corp. - 01 25 FTE
CITY-NEAR Atalian Global Services - New England 777 FTE
CITY-NEAR Haemonetics - Braintree 606 FTE
CITY-NEAR South Shore Plaza 036 405 FTE
CITY-NEAR Encompass Health Rehabilitation Hospital of Braintree LLC 393 FTE
NAT-TCR Ctp - Langley Afb, Va 3.0 TCR
NAT-TCR Jbc Ca 3.0 TCR
NAT-TCR Nutra Blend - Madera 3.0 TCR
NAT-TCR D. C. Taylor Co Corporate 3.0 TCR
NAT-SIZE Homeshield Screens - Ankeny IA 25 FTE
NAT-SIZE Dawn Incorporated 25 FTE
NAT-SIZE Carolina PLace 25 FTE
NAT-SIZE Clinton Plant 25 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: 2023, 2022, 2021. 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.