Low slope roofing installation · Massachusetts

NorthStar Construction Services

Shirley, MA · ~68 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

NorthStar Construction Services runs at 315% of its industry's injury rate - far more dangerous than the typical Low slope roofing installation workplace, earning a grade F.

NorthStar Construction Services: 8.8 TCR = 315% of Low slope roofing installation BLS 2.8 · 8y Form 300A (see methodology below)

NorthStar Construction Services safety composite

NorthStar Construction Services scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 15%), 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

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.82 per 100 workers

Safer than 15% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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

NorthStar Construction Services: 0.0 → 3.6 TCR

Peak year 2020 @ 19.0 TCR · DART/TCR 0× in 2024

NorthStar Construction Services's TCR rose 3.6 from 0.0 in 2016 to 3.6 in 2024. Peak filing year was 2020 at 19.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Shirley, MA ABOVE-IND · SMALL

Grade F · TCR 8.8 · 315% of ind

  • DART 0.0 DART
  • RANK #31/34
  • PHOTO McPhillips Bros. Roo…
  • BOOK 8y book
  • INJ 42 inj
  • SIZE ~68 FTE

Nearest TCR peer: McPhillips Bros. Roofing Co (0.0 TCR gap)

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

NorthStar Construction Services in the TCR neighbourhood

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

TCR

What this shows NorthStar Construction Services averages 8.8 TCR (315% of the Low slope roofing installation BLS benchmark).

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

NorthStar Construction Services TCR series: 2016=0 · 2018=4.2 · 2019=9.9 · 2020=19 · 2021=6.3 · 2022=10.4 · 2023=17 · 2024=3.6 · BLS 2.8

Where NorthStar Construction Services falls in its industry

1,723 Low slope roofing installation establishments

Safer than 15% 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 #31 safest of 34 Low slope roofing installation employers in Massachusetts.

NorthStar Construction Services (68 employees, TCR 8.8) 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 NorthStar Construction Services
NorthStar Construction Services (68 employees, TCR 8.8) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

NorthStar Construction Services has more employees than the Low slope roofing installation median and a higher 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
2024 3.6 0.0 2 0 0
2023 17.0 7.6 8 1 0
2022 10.4 5.2 6 0 0
2021 6.3 6.3 4 0 0
2020 19.0 10.3 12 1 0
2019 9.9 9.9 7 0 0
2018 4.2 4.2 3 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · MA · Shirley

1,723 Low slope roofing installation employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 12 employers in Shirley, 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 McPhillips Bros. Roofing Co 8.8 TCR
NAICS-TCR Infinity Roofing & Sheet Metal inc 8.8 TCR
NAICS-TCR Office 8.8 TCR
NAICS-TCR SM ROOFING, INC. 8.8 TCR
STATE-SIZE BROCKTON - E ASHLAND ST BLDG-MA07 68 FTE
STATE-SIZE Perini Management Services, Inc. 68 FTE
STATE-SIZE Main Office 68 FTE
STATE-SIZE Maverick Construction Corp 68 FTE
CITY-NEAR BemisUS Shirley 234 FTE
CITY-NEAR Bemis Associates, Inc. 166 FTE
CITY-NEAR Little Leaf Farms 121 FTE
CITY-NEAR Closets by Design Boston 104 FTE
NAT-TCR The Ranch Winery 8.8 TCR
NAT-TCR RCC 8.8 TCR
NAT-TCR Wellington Oaks 8.8 TCR
NAT-TCR Minnesota Department of Transportation District 6. 8.8 TCR
NAT-SIZE Valley Oak Labor Service 68 FTE
NAT-SIZE HORIBA Instruments Incorporated - Medical 68 FTE
NAT-SIZE Aragra - Innovative Electronics - Houston 68 FTE
NAT-SIZE Conesus Lake Nursing Home 68 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, 2020, 2019, 2018, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.