Roofing, Siding, and Insulation Material Merchant Wholesalers · Virginia

505 - Manassas Branch

Manassas, VA · ~47 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.1
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

505 - Manassas Branch runs at 186% of its industry's injury rate - more dangerous than the typical Roofing, Siding, and Insulation Material Merchant Wholesalers workplace, earning a grade D.

505 - Manassas Branch: 4.1 TCR = 186% of Roofing, Siding, and Insulation Material Merchant Wholesalers BLS 2.2 · 3y Form 300A (see methodology below)

505 - Manassas Branch safety composite

505 - Manassas Branch scores strongest on dart rate (safer than 86% of same-industry peers) and weakest on fatalities (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

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 4.1 per 100 workers

Safer than 66% of industry peers

DART rate
B 0 per 100 workers

Safer than 86% 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%).

TCR Δ

−8.2

2017→2020

505 - Manassas Branch injury rate improved

505 - Manassas Branch's TCR fell 8.2 from 8.2 in 2017 to 0.0 in 2020. Peak filing year was 2017 at 8.2 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2017=8.2 · 2018=4.1 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 423330 · Manassas, VA ABOVE-IND · SMALL

Grade D · TCR 4.1 · 186% of ind

  • DART 0.0 DART
  • RANK #8/34
  • PHOTO PSC Industries - Mil…
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~47 FTE

Nearest TCR peer: PSC Industries - Milledgeville (0.0 TCR gap)

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

505 - Manassas Branch in the TCR neighbourhood

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

TCR

What this shows 505 - Manassas Branch averages 4.1 TCR (186% of the Roofing, Siding, and Insulation Material Merchant Wholesalers BLS benchmark).

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

505 - Manassas Branch TCR series: 2017=8.2 · 2018=4.1 · 2020=0 · BLS 2.2

Where 505 - Manassas Branch falls in its industry

953 Roofing, Siding, and Insulatio establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 5.7.

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 34 Roofing, Siding, and Insulatio employers in Virginia.

505 - Manassas Branch (47 employees, TCR 4.1) among 29 same-industry peers, split at the industry median of 31 employees and a TCR of 5.7 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 0100200300 05101520 Average employees Total Case Rate 505 - Manassas Branch
505 - Manassas Branch (47 employees, TCR 4.1) among 29 same-industry peers, split at the industry median of 31 employees and a TCR of 5.7

505 - Manassas Branch has more employees than the Roofing, Siding, and Insulation Material median and a lower injury rate than the industry's median TCR of 5.7. 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
2020 0.0 0.0 0 0 0
2018 4.1 2.0 2 0 0
2017 8.2 6.2 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423330 · VA · Manassas

953 Roofing, Siding, and Insulation Material Merchant Wholesalers 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 PSC Industries - Milledgeville 4.1 TCR
NAICS-TCR 442 - CHARLOTTE BRANCH 4.1 TCR
NAICS-TCR 621 - AUSTIN BRANCH 4.1 TCR
NAICS-TCR 200 ABC Supply Co., Inc 4.1 TCR
STATE-SIZE BATH CO PW ST 47 FTE
STATE-SIZE RCL 47 FTE
STATE-SIZE Heritage Contracting LLC 47 FTE
STATE-SIZE TRINITY Group Construction 47 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 Printing Concepts Inc. 4.1 TCR
NAT-TCR RIH - Residence Inn Chapel Hill 4.1 TCR
NAT-TCR American Technical Ceramics 4.1 TCR
NAT-TCR Bear Creek Truss Inc 4.1 TCR
NAT-SIZE Live Haul 47 FTE
NAT-SIZE Enterprise Waste Oil 47 FTE
NAT-SIZE Biofuels-Camilla 47 FTE
NAT-SIZE Shields for Families - Training 47 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: 2020, 2018, 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.