Mechanical contractors · Virginia

Chappelle Mechanical Services LLC

Lorton, VA · ~26 workers · 3 years of OSHA Injury Tracking Application data.

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

Chappelle Mechanical Services LLC runs at 101% of its industry's injury rate - about level with the typical Mechanical contractors workplace, earning a grade C.

Chappelle Mechanical Services LLC: 2.8 TCR = 101% of Mechanical contractors BLS 2.8 · 3y Form 300A (see methodology below)

Chappelle Mechanical Services LLC safety composite

Chappelle Mechanical Services LLC scores strongest on dart rate (safer than 80% 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

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.82 per 100 workers

Safer than 56% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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

−4.6

2022→2024

Chappelle Mechanical Services LLC injury rate improved

Chappelle Mechanical Services LLC's TCR fell 4.6 from 4.6 in 2022 to 0.0 in 2024. Peak filing year was 2022 at 4.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=4.6 · 2023=3.8 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Lorton, VA ABOVE-IND · SMALL

Grade C · TCR 2.8 · 101% of ind

  • DART 0.0 DART
  • RANK #83/152
  • PHOTO Volute Inc.
  • BOOK 3y book
  • INJ 2 inj
  • SIZE ~26 FTE

Nearest TCR peer: Volute Inc. (0.0 TCR gap)

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

Chappelle Mechanical Services LLC in the TCR neighbourhood

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

TCR

What this shows Chappelle Mechanical Services LLC averages 2.8 TCR (101% of the Mechanical contractors BLS benchmark).

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

Chappelle Mechanical Services LLC TCR series: 2022=4.6 · 2023=3.8 · 2024=0 · BLS 2.8

Where Chappelle Mechanical Services LLC falls in its industry

5,793 Mechanical contractors establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #83 safest of 152 Mechanical contractors employers in Virginia.

Chappelle Mechanical Services LLC (26 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate Chappelle Mechanical Services LLC
Chappelle Mechanical Services LLC (26 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Chappelle Mechanical Services LLC has fewer employees than the Mechanical contractors median and a lower injury rate than the industry's median TCR of 3.3. 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 0.0 0.0 0 0 0
2023 3.8 0.0 1 0 0
2022 4.6 4.6 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · VA · Lorton

5,793 Mechanical contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 64 employers in Lorton, 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 Volute Inc. 2.8 TCR
NAICS-TCR Haller Enterprises - Harrisburg 2.8 TCR
NAICS-TCR PARAGON MECHANICAL, Inc. 2.8 TCR
NAICS-TCR California Boiler 2.8 TCR
STATE-SIZE Halifax County Biomass 26 FTE
STATE-SIZE Woodlawn Svc Ctr 26 FTE
STATE-SIZE Craig-Botetourt Electric Co-op 26 FTE
STATE-SIZE Washington Gas Energy Systems - HQ 26 FTE
CITY-NEAR Lorton Transportation Center 1,372 FTE
CITY-NEAR 7040 TRANSIT REGION-DIAMOND TRANSPORTATION 361 FTE
CITY-NEAR Maryland 316 FTE
CITY-NEAR Virginia 313 FTE
NAT-TCR Learjet Inc. 2.8 TCR
NAT-TCR TRH010 2.8 TCR
NAT-TCR CA321 2.8 TCR
NAT-TCR At Home Stores #279 2.8 TCR
NAT-SIZE Holiday Inn Express & Suites Findlay 26 FTE
NAT-SIZE Echo Park Pool 26 FTE
NAT-SIZE Home2 Suites San Antonio 26 FTE
NAT-SIZE Home2 Suites Fort Smith 26 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. 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.