Air-conditioning system (except window) installation · Virginia

Anderson Mechanical Services Inc

Sterling, VA · ~143 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Anderson Mechanical Services Inc runs at 155% of its industry's injury rate - more dangerous than the typical Air-conditioning system (except window) installation workplace, earning a grade D.

Anderson Mechanical Services Inc: 4.3 TCR = 155% of Air-conditioning system (except window) installation BLS 2.8 · 4y Form 300A (see methodology below)

Anderson Mechanical Services Inc safety composite

Anderson Mechanical Services Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 20%), 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

36/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.35 per 100 workers

Safer than 40% of industry peers

DART rate
F 4.34 per 100 workers

Safer than 20% 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

−3.4

2020→2023

Anderson Mechanical Services Inc injury rate improved

Anderson Mechanical Services Inc's TCR fell 3.4 from 7.8 in 2020 to 4.3 in 2023. Peak filing year was 2020 at 7.8 TCR. In 2023, DART was 1× this establishment's average TCR (severity share of cases).

2020=7.8 · 2021=2.2 · 2022=3.1 · 2023=4.3

OSHA ITA Form 300A scorecard

Establishment book 238220 · Sterling, VA ABOVE-IND · MID

Grade D · TCR 4.3 · 155% of ind

  • DART 4.3 DART
  • RANK #111/152
  • PHOTO American Contractors…
  • BOOK 4y book
  • INJ 22 inj
  • SIZE ~143 FTE

Nearest TCR peer: American Contractors, Inc. (0.0 TCR gap)

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

Anderson Mechanical Services Inc in the TCR neighbourhood

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

TCR

What this shows Anderson Mechanical Services Inc averages 4.3 TCR (155% of the Air-conditioning system (except window) installation BLS benchmark).

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

Anderson Mechanical Services Inc TCR series: 2020=7.8 · 2021=2.2 · 2022=3.1 · 2023=4.3 · BLS 2.8

Where Anderson Mechanical Services Inc falls in its industry

5,793 Air-conditioning system (excep establishments

Safer than 40% 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 #111 safest of 152 Air-conditioning system (excep employers in Virginia.

Anderson Mechanical Services Inc (143 employees, TCR 4.3) 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 Anderson Mechanical Services Inc
Anderson Mechanical Services Inc (143 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Anderson Mechanical Services Inc has more employees than the Air-conditioning system (except window) median and a higher 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
2023 4.3 4.3 7 0 0
2022 3.1 1.5 4 0 0
2021 2.2 2.2 1 0 0
2020 7.8 7.0 10 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · VA · Sterling

5,793 Air-conditioning system (except window) 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 American Contractors, Inc. 4.3 TCR
NAICS-TCR Nextech Central LLC 4.3 TCR
NAICS-TCR Harrison-Orr Air Conditioning, L.L.C. 4.3 TCR
NAICS-TCR RRSC Norfolk 4.3 TCR
STATE-SIZE ORCHARDS 143 FTE
STATE-SIZE PENINSULA-HAMPTON 143 FTE
STATE-SIZE Kerry 143 FTE
STATE-SIZE Unique Wholesale Distributors - VA South Hill 143 FTE
CITY-NEAR AMZL : DDC4 868 FTE
CITY-NEAR Wegmans Dulles 007 478 FTE
CITY-NEAR Prospect Waterproofing Company 465 FTE
CITY-NEAR 2038 421 FTE
NAT-TCR M1461 Harbor/UCLA M 4.3 TCR
NAT-TCR Hi Nabor Supermarket Inc - Broadmoor 4.3 TCR
NAT-TCR Hempstead, Ny #00337 4.3 TCR
NAT-TCR Carlyle House 4.3 TCR
NAT-SIZE Dodge Ridge Mountain Resort LLC 143 FTE
NAT-SIZE Sodexo at Chi Saint Joseph Hospital 143 FTE
NAT-SIZE Pittsburgh Region 143 FTE
NAT-SIZE Sejong Georgia LLC 143 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: 2023, 2022, 2021, 2020. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.