Mechanical contractors · Maryland

R.M. Thornton Mechanical

Capitol Heights, MD · ~128 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

R.M. Thornton Mechanical runs at 118% of its industry's injury rate - about level with the typical Mechanical contractors workplace, earning a grade C.

R.M. Thornton Mechanical: 3.3 TCR = 118% of Mechanical contractors BLS 2.8 · 2y Form 300A (see methodology below)

R.M. Thornton Mechanical safety composite

R.M. Thornton Mechanical scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 47%), 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

49/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.3 per 100 workers

Safer than 50% of industry peers

DART rate
D 1.41 per 100 workers

Safer than 47% 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%).

Rising injury rate

R.M. Thornton Mechanical: 2.4 → 4.2 TCR

Peak year 2017 @ 4.2 TCR · DART/TCR 0.43× in 2017

R.M. Thornton Mechanical's TCR rose 1.8 from 2.4 in 2016 to 4.2 in 2017. In 2017, DART was 0.43× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Capitol Heights, MD ABOVE-IND · MID

Grade C · TCR 3.3 · 118% of ind

  • DART 1.4 DART
  • RANK #70/121
  • PHOTO RRSC Tampa
  • BOOK 2y book
  • INJ 9 inj
  • SIZE ~128 FTE

Nearest TCR peer: RRSC Tampa (0.0 TCR gap)

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

R.M. Thornton Mechanical in the TCR neighbourhood

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

TCR

What this shows R.M. Thornton Mechanical averages 3.3 TCR (118% of the Mechanical contractors BLS benchmark).

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

R.M. Thornton Mechanical TCR series: 2016=2.4 · 2017=4.2 · BLS 2.8

Where R.M. Thornton Mechanical falls in its industry

5,793 Mechanical contractors establishments

Safer than 50% 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 #70 safest of 121 Mechanical contractors employers in Maryland.

R.M. Thornton Mechanical (128 employees, TCR 3.3) 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 R.M. Thornton Mechanical
R.M. Thornton Mechanical (128 employees, TCR 3.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

R.M. Thornton Mechanical has more 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
2017 4.2 1.4 6 0 0
2016 2.4 2.4 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Capitol Heights

5,793 Mechanical contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 64 employers in Capitol Heights, 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 RRSC Tampa 3.3 TCR
NAICS-TCR Fire & Life Safety America Tidewater 3.3 TCR
NAICS-TCR Johansen Mechanical, Inc. 3.3 TCR
NAICS-TCR P&R Plumbing and Heating 3.3 TCR
STATE-SIZE MPS 128 FTE
STATE-SIZE John E Kelly and Sons 128 FTE
STATE-SIZE US735: Linthicum Heights (Baltimore) 565 - SG 128 FTE
STATE-SIZE US MD Baltimore Plant 128 FTE
CITY-NEAR 237482-WASHINGTON NDC 656 FTE
CITY-NEAR WASHINGTON NDC_1434471 637 FTE
CITY-NEAR 237481-SO MARYLAND MD P&DC 444 FTE
CITY-NEAR SOUTHERN MARYLAND_1441071 370 FTE
NAT-TCR AMI 3.3 TCR
NAT-TCR Oldcastle OPI - Avon 3.3 TCR
NAT-TCR D1 - Wilmington Bedding/Dinning 3.3 TCR
NAT-TCR Saddle Brook, NJ 3.3 TCR
NAT-SIZE Headquarters 128 FTE
NAT-SIZE Cass County Medical Care Faciility 128 FTE
NAT-SIZE Accurate Molded Plastics 128 FTE
NAT-SIZE Brookdale Green Mountain 128 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: 2017, 2016. 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.