Sewage treatment plant construction · Massachusetts

Weston & Sampson Services, Inc.

Wilmington, MA · ~103 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Weston & Sampson Services, Inc. runs at 66% of its industry's injury rate - safer than the typical Sewage treatment plant construction workplace, earning a grade B.

Weston & Sampson Services, Inc.: 1.9 TCR = 66% of Sewage treatment plant construction BLS 2.8 · 4y Form 300A (see methodology below)

Weston & Sampson Services, Inc. safety composite

Weston & Sampson Services, Inc. scores strongest on total case rate (tcr) (safer than 70% of same-industry peers) and weakest on dart rate (safer than 33%), 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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.86 per 100 workers

Safer than 70% of industry peers

DART rate
F 2.24 per 100 workers

Safer than 33% of industry peers

Fatalities
D 0

Safer than 52% 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

Weston & Sampson Services, Inc.: 1.1 → 3.4 TCR

Peak year 2024 @ 3.4 TCR · DART/TCR 1.2× in 2024

Weston & Sampson Services, Inc.'s TCR rose 2.3 from 1.1 in 2021 to 3.4 in 2024. In 2024, DART was 1.2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 237110 · Wilmington, MA AT/BELOW-IND · MID

Grade B · TCR 1.9 · 66% of ind

  • DART 2.2 DART
  • RANK #5/27
  • PHOTO Perfetto Contracting…
  • BOOK 4y book
  • INJ 6 inj
  • SIZE ~103 FTE

Nearest TCR peer: Perfetto Contracting Co. Inc. (0.0 TCR gap)

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

Weston & Sampson Services, Inc. in the TCR neighbourhood

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

TCR

What this shows Weston & Sampson Services, Inc. averages 1.9 TCR (66% of the Sewage treatment plant construction BLS benchmark).

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

Weston & Sampson Services, Inc. TCR series: 2021=1.1 · 2022=1 · 2023=2 · 2024=3.4 · BLS 2.8

Where Weston & Sampson Services, Inc. falls in its industry

1,614 Sewage treatment plant constru establishments

Safer than 70% of graded establishments in this industry, whose median TCR is 3.0.

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 27 Sewage treatment plant constru employers in Massachusetts.

Weston & Sampson Services, Inc. (103 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 0100200300400500 051015 Average employees Total Case Rate Weston & Sampson Services, Inc.
Weston & Sampson Services, Inc. (103 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Weston & Sampson Services, Inc. has more employees than the Sewage treatment plant construction median and a lower injury rate than the industry's median TCR of 3.0. 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
2024 3.4 2.2 2 1 0
2023 2.0 1.0 2 0 0
2022 1.0 1.0 1 0 0
2021 1.1 1.1 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · MA · Wilmington

1,614 Sewage treatment plant construction employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 152 employers in Wilmington, 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 Perfetto Contracting Co. Inc. 1.9 TCR
NAICS-TCR Jerome Bowen Construction 1.9 TCR
NAICS-TCR S&S Directional Boring 1.9 TCR
NAICS-TCR G DE VINCENTIS & SON CONSTRUCTION CO., INC. 1.9 TCR
STATE-SIZE Weston & Sampson Construction, Maintenance, & Repair, Inc. 103 FTE
STATE-SIZE Wakefield Container 103 FTE
STATE-SIZE Fagron Sterile Services Boston 103 FTE
STATE-SIZE 125 Summer Street Boston, MA 103 FTE
CITY-NEAR MA-01 4,581 FTE
CITY-NEAR 1 Analog Way 1,993 FTE
CITY-NEAR 804 Woburn St. Wilmington, MA 1,511 FTE
CITY-NEAR Charles River Laboratories 1,466 FTE
NAT-TCR Fleming Network & Security Services Inc. 1.9 TCR
NAT-TCR 10075 Quarry 1.9 TCR
NAT-TCR 10473 Addison 1.9 TCR
NAT-TCR Paris Svc Ctr 1.9 TCR
NAT-SIZE Maceys Holladay 103 FTE
NAT-SIZE Fun Spot Manufacturing, LLC 103 FTE
NAT-SIZE S10178 - Osceola Hauling 103 FTE
NAT-SIZE Opus Packaging - Caledonia (Grand Rapids) 103 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: 2024, 2023, 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.