Asphalt roof shingle installation · Virginia

Prospect Waterproofing Company

Sterling, VA · ~465 workers · 9 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Prospect Waterproofing Company runs at 93% of its industry's injury rate - about level with the typical Asphalt roof shingle installation workplace, earning a grade C.

Prospect Waterproofing Company: 2.6 TCR = 93% of Asphalt roof shingle installation BLS 2.8 · 9y Form 300A (see methodology below)

Prospect Waterproofing Company safety composite

Prospect Waterproofing Company scores strongest on total case rate (tcr) (safer than 65% of same-industry peers) and weakest on fatalities (safer than 51%), 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

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.61 per 100 workers

Safer than 65% of industry peers

DART rate
C 0.75 per 100 workers

Safer than 57% 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

−3.5

2016→2024

Prospect Waterproofing Company injury rate improved

Prospect Waterproofing Company's TCR fell 3.5 from 5.2 in 2016 to 1.8 in 2024. Peak filing year was 2016 at 5.2 TCR. In 2024, DART was 0.29× this establishment's average TCR (severity share of cases).

2016=5.2 · 2017=3.1 · 2018=2.9 · 2019=3.4 · 2020=1.5 · 2021=2.7 · 2022=1.8 · 2023=1.1 · 2024=1.8

OSHA ITA Form 300A scorecard

Establishment book 238160 · Sterling, VA AT/BELOW-IND · MID

Grade C · TCR 2.6 · 93% of ind

  • DART 0.8 DART
  • RANK #9/28
  • PHOTO BDRKY-Louisville
  • BOOK 9y book
  • INJ 117 inj
  • SIZE ~465 FTE

Nearest TCR peer: BDRKY-Louisville (0.0 TCR gap)

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

Prospect Waterproofing Company in the TCR neighbourhood

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

TCR

What this shows Prospect Waterproofing Company averages 2.6 TCR (93% of the Asphalt roof shingle installation BLS benchmark).

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

Prospect Waterproofing Company TCR series: 2016=5.2 · 2017=3.1 · 2018=2.9 · 2019=3.4 · 2020=1.5 · 2021=2.7 · 2022=1.8 · 2023=1.1 · 2024=1.8 · BLS 2.8

Where Prospect Waterproofing Company falls in its industry

1,723 Asphalt roof shingle installat establishments

Safer than 65% 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 #9 safest of 28 Asphalt roof shingle installat employers in Virginia.

Prospect Waterproofing Company (465 employees, TCR 2.6) 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 0100200300400500 0102030 Average employees Total Case Rate Prospect Waterproofing Company
Prospect Waterproofing Company (465 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Prospect Waterproofing Company has more employees than the Asphalt roof shingle installation 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
2024 1.8 0.8 7 0 0
2023 1.1 0.7 5 0 0
2022 1.8 1.6 9 0 0
2021 2.7 2.5 14 0 0
2020 1.5 1.1 9 0 0
2019 3.4 2.8 21 0 0
2018 2.9 2.5 15 0 0
2017 3.1 2.7 14 0 0
2016 5.2 4.8 23 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · VA · Sterling

1,723 Asphalt roof shingle installation employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 222 employers in Sterling, 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 BDRKY-Louisville 2.6 TCR
NAICS-TCR EverGuard Roofing, LLC 2.6 TCR
NAICS-TCR Four Seasons Kanga Roof 2.6 TCR
NAICS-TCR Courtney Inc. 2.6 TCR
STATE-SIZE 11680 465 FTE
STATE-SIZE Roanoke VA 7635 Plantation Road 464 FTE
STATE-SIZE Wegmans Lake Manassas 042 464 FTE
STATE-SIZE Prince George Replenish Ctr 466 FTE
CITY-NEAR AMZL : DDC4 868 FTE
CITY-NEAR Wegmans Dulles 007 478 FTE
CITY-NEAR 2038 421 FTE
CITY-NEAR WM 2038 400 FTE
NAT-TCR Cleveland Office 2.6 TCR
NAT-TCR Carl A. Nelson & Company 2.6 TCR
NAT-TCR Brookdale West University 2.6 TCR
NAT-TCR Czarnowski-Las Vegas 2.6 TCR
NAT-SIZE Keim Lumber Company 465 FTE
NAT-SIZE Ames Main 465 FTE
NAT-SIZE R. J. Corman Switching Company, LLC 465 FTE
NAT-SIZE Monticello Middle School 465 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.