HVAC (heating, ventilation and air-conditioning) contractors · Maryland

Kirlin Mechanical Services

Rockville, MD · ~50 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Kirlin Mechanical Services runs at 120% of its industry's injury rate - about level with the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade C.

Kirlin Mechanical Services: 3.4 TCR = 120% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 3y Form 300A (see methodology below)

Kirlin Mechanical Services safety composite

Kirlin Mechanical Services scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 49%), 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

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.36 per 100 workers

Safer than 49% 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

−7.5

2016→2018

Kirlin Mechanical Services injury rate improved

Kirlin Mechanical Services's TCR fell 7.5 from 7.5 in 2016 to 0.0 in 2018. Peak filing year was 2016 at 7.5 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2016=7.5 · 2017=2.5 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Rockville, MD ABOVE-IND · SMALL

Grade C · TCR 3.4 · 120% of ind

  • DART 0.0 DART
  • RANK #71/121
  • PHOTO Geauga Mechanical Co…
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~50 FTE

Nearest TCR peer: Geauga Mechanical Co., Inc. (0.0 TCR gap)

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

Kirlin Mechanical Services in the TCR neighbourhood

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

TCR

What this shows Kirlin Mechanical Services averages 3.4 TCR (120% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).

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

Kirlin Mechanical Services TCR series: 2016=7.5 · 2017=2.5 · 2018=0 · BLS 2.8

Where Kirlin Mechanical Services falls in its industry

5,793 HVAC (heating, ventilation and establishments

Safer than 49% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #71 safest of 121 HVAC (heating, ventilation and employers in Maryland.

Kirlin Mechanical Services (50 employees, TCR 3.4) 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 Kirlin Mechanical Services
Kirlin Mechanical Services (50 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Kirlin Mechanical Services has fewer employees than the HVAC (heating, ventilation and air-condi 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
2018 0.0 0.0 0 0 0
2017 2.5 0.0 1 0 0
2016 7.5 3.0 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Rockville

5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 225 employers in Rockville, MD · 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 Geauga Mechanical Co., Inc. 3.4 TCR
NAICS-TCR Hunter Mechanical, Inc. 3.4 TCR
NAICS-TCR Central Sheet Metal Co Inc 3.4 TCR
NAICS-TCR J. KITTELBERGER & SONS, INC. 3.4 TCR
STATE-SIZE Green Leaf Extracts LLC dba gLeaf 50 FTE
STATE-SIZE Bell Nursery - Burtonsville 50 FTE
STATE-SIZE MS - Annapolis Junction, MD - 1AJMD 50 FTE
STATE-SIZE Gilbane Building Company TPM 50 FTE
CITY-NEAR Adventist Health Shady Grove Medical Center 2,600 FTE
CITY-NEAR Adventist HealthCare Shady Grove Medical Center 2,461 FTE
CITY-NEAR Shady Grove Adventist Hospital 2,357 FTE
CITY-NEAR MOM's Organic Market 1,354 FTE
NAT-TCR EC010 - Bessemer, AL - 0100 3.4 TCR
NAT-TCR Upf Ma 3.4 TCR
NAT-TCR GA-Atlanta-Operating Center 3.4 TCR
NAT-TCR Montrose Center (Comtr) 3.4 TCR
NAT-SIZE Legends - Tampa Yankees 50 FTE
NAT-SIZE Ryerson- Seattle 50 FTE
NAT-SIZE Ryerson- Milwaukee 50 FTE
NAT-SIZE Courtyard by Marriott San Francisco Union Square 50 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: 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.