Plumbing, Heating, and Air-Conditioning Contractors · Virginia

Silent-Aire Mission Critical Services

Ashburn, VA · ~156 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Silent-Aire Mission Critical Services runs at 70% of its industry's injury rate - safer than the typical Plumbing, Heating, and Air-Conditioning Contractors workplace, earning a grade B.

Silent-Aire Mission Critical Services: 2.0 TCR = 70% of Plumbing, Heating, and Air-Conditioning Contractors BLS 2.8 · 4y Form 300A (see methodology below)

Silent-Aire Mission Critical Services safety composite

Silent-Aire Mission Critical Services scores strongest on total case rate (tcr) (safer than 69% 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

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.96 per 100 workers

Safer than 69% of industry peers

DART rate
C 0.54 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

−5.7

2018→2024

Silent-Aire Mission Critical Services injury rate improved

Silent-Aire Mission Critical Services's TCR fell 5.7 from 6.8 in 2018 to 1.1 in 2024. Peak filing year was 2018 at 6.8 TCR. In 2024, DART was 0.28× this establishment's average TCR (severity share of cases).

2018=6.8 · 2022=0.0 · 2023=0.0 · 2024=1.1

OSHA ITA Form 300A scorecard

Establishment book 238220 · Ashburn, VA AT/BELOW-IND · MID

Grade B · TCR 2.0 · 70% of ind

  • DART 0.5 DART
  • RANK #53/152
  • PHOTO Monroe Mechanical LLC
  • BOOK 4y book
  • INJ 4 inj
  • SIZE ~156 FTE

Nearest TCR peer: Monroe Mechanical LLC (0.0 TCR gap)

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

Silent-Aire Mission Critical Services in the TCR neighbourhood

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

TCR

What this shows Silent-Aire Mission Critical Services averages 2.0 TCR (70% of the Plumbing, Heating, and Air-Conditioning Contractors BLS benchmark).

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

Silent-Aire Mission Critical Services TCR series: 2018=6.8 · 2022=0 · 2023=0 · 2024=1.1 · BLS 2.8

Where Silent-Aire Mission Critical Services falls in its industry

5,793 Plumbing, Heating, and Air-Con establishments

Safer than 69% 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 #53 safest of 152 Plumbing, Heating, and Air-Con employers in Virginia.

Silent-Aire Mission Critical Services (156 employees, TCR 2.0) 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 Silent-Aire Mission Critical Services
Silent-Aire Mission Critical Services (156 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Silent-Aire Mission Critical Services has more employees than the Plumbing, Heating, and Air-Conditioning 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 1.1 0.5 2 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2018 6.8 3.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · VA · Ashburn

5,793 Plumbing, Heating, and Air-Conditioning Contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 99 employers in Ashburn, 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 Monroe Mechanical LLC 2.0 TCR
NAICS-TCR Great Plumbers 2.0 TCR
NAICS-TCR Patriot Fire Protection, Inc. 2.0 TCR
NAICS-TCR Wayne Crouse, Inc. 2.0 TCR
STATE-SIZE C280 Sandston PC 156 FTE
STATE-SIZE Ten Oaks LLC 156 FTE
STATE-SIZE Scholle IPN Chilhowie 156 FTE
STATE-SIZE Howell Metals 156 FTE
CITY-NEAR VAAASHVA 1,896 FTE
CITY-NEAR VA0045C300 1,065 FTE
CITY-NEAR VA0045300 887 FTE
CITY-NEAR Telos Corporation 676 FTE
NAT-TCR Interstate Foam & Supply, Inc. Plant 1 2.0 TCR
NAT-TCR Performance Northeast Services-Boston 2.0 TCR
NAT-TCR NewAge Industries Inc - Southampton 2.0 TCR
NAT-TCR Diamondback Firearms 2.0 TCR
NAT-SIZE Cambridge Pavers - Lyndhurst 156 FTE
NAT-SIZE MPP - Falls Creek 156 FTE
NAT-SIZE Dynamic NC 156 FTE
NAT-SIZE Saputo Cheese_Bardsley 156 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, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.