Roofing contractors · Massachusetts

W.S. Aiken LLC

Chelsea, MA · ~45 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

W.S. Aiken LLC runs at 29% of its industry's injury rate - far safer than the typical Roofing contractors workplace, earning a grade A.

W.S. Aiken LLC: 0.8 TCR = 29% of Roofing contractors BLS 2.8 · 2y Form 300A (see methodology below)

W.S. Aiken LLC safety composite

W.S. Aiken LLC scores strongest on total case rate (tcr) (safer than 94% of same-industry peers) and weakest on dart rate (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

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.82 per 100 workers

Safer than 94% of industry peers

DART rate
D 1.64 per 100 workers

Safer than 50% of industry peers

Fatalities
D 0

Safer than 51% 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

W.S. Aiken LLC: 0.0 → 1.6 TCR

Peak year 2022 @ 1.6 TCR · DART/TCR 2× in 2022

W.S. Aiken LLC's TCR rose 1.6 from 0.0 in 2017 to 1.6 in 2022. In 2022, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Chelsea, MA AT/BELOW-IND · SMALL

Grade A · TCR 0.8 · 29% of ind

  • DART 1.6 DART
  • RANK #2/34
  • PHOTO The Bri-Den Co.
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~45 FTE

Nearest TCR peer: The Bri-Den Co. (0.0 TCR gap)

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

W.S. Aiken LLC in the TCR neighbourhood

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

TCR

What this shows W.S. Aiken LLC averages 0.8 TCR (29% of the Roofing contractors BLS benchmark).

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

W.S. Aiken LLC TCR series: 2017=0 · 2022=1.6 · BLS 2.8

Where W.S. Aiken LLC falls in its industry

1,723 Roofing contractors establishments

Safer than 94% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 34 Roofing contractors employers in Massachusetts.

W.S. Aiken LLC (45 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7 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 050100150 0102030 Average employees Total Case Rate W.S. Aiken LLC
W.S. Aiken LLC (45 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

W.S. Aiken LLC has more employees than the Roofing contractors median and a lower injury rate than the industry's median TCR of 3.7. 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
2022 1.6 1.6 1 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · MA · Chelsea

1,723 Roofing contractors employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 52 employers in Chelsea, 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 The Bri-Den Co. 0.8 TCR
NAICS-TCR Rainy Day Roofing Inc. 0.8 TCR
NAICS-TCR Holland Roofing Group 0.8 TCR
NAICS-TCR Empire Roofing Company Southeast LLC 0.8 TCR
STATE-SIZE Resinate, Inc. - Douglas 45 FTE
STATE-SIZE Canal Generating LLC 45 FTE
STATE-SIZE NORTHAMPTON-MA32 45 FTE
STATE-SIZE WILMINGTON-MA57 45 FTE
CITY-NEAR Market Basket #32 683 FTE
CITY-NEAR State Garden, Inc. 425 FTE
CITY-NEAR Kayem Foods, Inc 308 FTE
CITY-NEAR 240055-BOS-CHELSEA CARRIER ANNEX 284 FTE
NAT-TCR 400 R Steet 0.8 TCR
NAT-TCR R&O Construction 0.8 TCR
NAT-TCR ATI Albany Operations - 34th 0.8 TCR
NAT-TCR Moynihn Lumber of Plaistow LLC 0.8 TCR
NAT-SIZE B & B Tupelo 45 FTE
NAT-SIZE Swire Coca-Cola of Scottsbluff 45 FTE
NAT-SIZE Goodwill of Colorado Belleview 45 FTE
NAT-SIZE Door & Millwork Co LLC 45 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: 2022, 2017. 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.