Roofing contractors · Virginia

Simpson Unlimited Inc

Manassas, VA · ~139 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Simpson Unlimited Inc runs at 177% of its industry's injury rate - more dangerous than the typical Roofing contractors workplace, earning a grade D.

Simpson Unlimited Inc: 5.0 TCR = 177% of Roofing contractors BLS 2.8 · 9y Form 300A (see methodology below)

Simpson Unlimited Inc safety composite

Simpson Unlimited Inc scores strongest on dart rate (safer than 58% of same-industry peers) and weakest on total case rate (tcr) (safer than 37%), 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

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.96 per 100 workers

Safer than 37% of industry peers

DART rate
C 0.58 per 100 workers

Safer than 58% 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%).

TCR Δ

−8.9

2016→2024

Simpson Unlimited Inc injury rate improved

Simpson Unlimited Inc's TCR fell 8.9 from 9.5 in 2016 to 0.6 in 2024. Peak filing year was 2018 at 11.8 TCR. In 2024, DART was 0.12× this establishment's average TCR (severity share of cases).

2016=9.5 · 2017=6.3 · 2018=11.8 · 2019=3.1 · 2020=6.3 · 2021=4.7 · 2022=0.6 · 2023=1.9 · 2024=0.6

OSHA ITA Form 300A scorecard

Establishment book 238160 · Manassas, VA ABOVE-IND · MID

Grade D · TCR 5.0 · 177% of ind

  • DART 0.6 DART
  • RANK #17/28
  • PHOTO Anthony Roofing Tect…
  • BOOK 9y book
  • INJ 51 inj
  • SIZE ~139 FTE

Nearest TCR peer: Anthony Roofing Tecta America.com (0.0 TCR gap)

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

Simpson Unlimited Inc in the TCR neighbourhood

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

TCR

What this shows Simpson Unlimited Inc averages 5.0 TCR (177% of the Roofing contractors BLS benchmark).

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

Simpson Unlimited Inc TCR series: 2016=9.5 · 2017=6.3 · 2018=11.8 · 2019=3.1 · 2020=6.3 · 2021=4.7 · 2022=0.6 · 2023=1.9 · 2024=0.6 · BLS 2.8

Where Simpson Unlimited Inc falls in its industry

1,723 Roofing contractors establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #17 safest of 28 Roofing contractors employers in Virginia.

Simpson Unlimited Inc (139 employees, TCR 5.0) 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 Simpson Unlimited Inc
Simpson Unlimited Inc (139 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Simpson Unlimited Inc has more employees than the Roofing contractors 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 0.6 0.6 1 0 0
2023 1.9 1.4 4 0 0
2022 0.6 0.6 1 0 0
2021 4.7 2.4 6 0 0
2020 6.3 2.1 9 0 0
2019 3.1 3.1 4 0 0
2018 11.8 7.2 8 5 0
2017 6.3 3.9 8 0 0
2016 9.5 7.8 10 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · VA · Manassas

1,723 Roofing contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 278 employers in Manassas, VA · 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 Anthony Roofing Tecta America.com 5.0 TCR
NAICS-TCR Richard L Sensenig Co. 5.0 TCR
NAICS-TCR Roofcrafters, Inc 5.0 TCR
NAICS-TCR Best Choice Roofing DC LLC 5.0 TCR
STATE-SIZE AWC 139 FTE
STATE-SIZE Catalina Cylinders, Inc. 139 FTE
STATE-SIZE idX Impressions 139 FTE
STATE-SIZE 2032-18818016 139 FTE
CITY-NEAR Micron INC. Manassas, VA 1,617 FTE
CITY-NEAR Micron Technology Virginia 1,432 FTE
CITY-NEAR Manassas City Public Schools 1,342 FTE
CITY-NEAR Checks and Balances, Inc. 1,316 FTE
NAT-TCR Asept Pak. Inc. 5.0 TCR
NAT-TCR Parthenon Tube 5.0 TCR
NAT-TCR Wis-Pak of Dyersburg 5.0 TCR
NAT-TCR Henry Carlson Construction 5.0 TCR
NAT-SIZE LOCKBOURNE 139 FTE
NAT-SIZE Bubba Foods, LLC 139 FTE
NAT-SIZE University Swaging 139 FTE
NAT-SIZE Jimmie Crowder Excavating and Land Clearing Inc 139 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, 2017, 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.