Plumbing and heating contractors · Maryland

Superior Mechanical Services, Inc

Beltsville, MD · ~91 workers · 7 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Superior Mechanical Services, Inc runs at 256% of its industry's injury rate - far more dangerous than the typical Plumbing and heating contractors workplace, earning a grade F.

Superior Mechanical Services, Inc: 7.2 TCR = 256% of Plumbing and heating contractors BLS 2.8 · 7y Form 300A (see methodology below)

Superior Mechanical Services, Inc safety composite

Superior Mechanical Services, Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 9%), 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).

F

24/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.17 per 100 workers

Safer than 20% of industry peers

DART rate
F 7.43 per 100 workers

Safer than 9% 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

Superior Mechanical Services, Inc: 5.1 → 9.6 TCR

Peak year 2022 @ 10.1 TCR · DART/TCR 1.04× in 2024

Superior Mechanical Services, Inc's TCR rose 4.5 from 5.1 in 2018 to 9.6 in 2024. Peak filing year was 2022 at 10.1 TCR. In 2024, DART was 1.04× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade F · TCR 7.2 · 256% of ind

  • DART 7.4 DART
  • RANK #104/121
  • PHOTO Comfort Air of Grand…
  • BOOK 7y book
  • INJ 45 inj
  • SIZE ~91 FTE

Nearest TCR peer: Comfort Air of Grand Junction LLC (0.0 TCR gap)

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

Superior Mechanical Services, Inc in the TCR neighbourhood

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

TCR

What this shows Superior Mechanical Services, Inc averages 7.2 TCR (256% of the Plumbing and heating contractors BLS benchmark).

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

Superior Mechanical Services, Inc TCR series: 2018=5.1 · 2019=8.6 · 2020=7 · 2021=3.4 · 2022=10.1 · 2023=6.5 · 2024=9.6 · BLS 2.8

Where Superior Mechanical Services, Inc falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 20% 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 #104 safest of 121 Plumbing and heating contracto employers in Maryland.

Superior Mechanical Services, Inc (91 employees, TCR 7.2) 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 Superior Mechanical Services, Inc
Superior Mechanical Services, Inc (91 employees, TCR 7.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Superior Mechanical Services, Inc has more employees than the Plumbing and heating contractors 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
2024 9.6 7.4 9 0 0
2023 6.5 3.3 6 0 0
2022 10.1 6.7 9 0 0
2021 3.4 2.3 3 0 0
2020 7.0 7.0 6 0 0
2019 8.6 5.3 8 0 0
2018 5.1 3.8 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Beltsville

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 97 employers in Beltsville, 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 Comfort Air of Grand Junction LLC 7.2 TCR
NAICS-TCR Pipe Wrench LLC 7.2 TCR
NAICS-TCR Legacy Air, Inc. Phoenix 7.2 TCR
NAICS-TCR Armstrong Comfort Solutions - Butler 7.2 TCR
STATE-SIZE Standard Solar, Inc. 91 FTE
STATE-SIZE Harbor Roofing and Contracting, Inc. 2020 91 FTE
STATE-SIZE Linthicum, 805 Pinnacle Drive 91 FTE
STATE-SIZE WASHINGTON DC 91 FTE
CITY-NEAR Kaiser 1,670 FTE
CITY-NEAR W.E.Bowers 1,450 FTE
CITY-NEAR Manganaro Mid-Atlantic 920 FTE
CITY-NEAR Beltsville Agricultural Research Center 609 FTE
NAT-TCR Sanger Winery 7.2 TCR
NAT-TCR Plaza 1 7.2 TCR
NAT-TCR City of Calumet City - Public Works 7.2 TCR
NAT-TCR CAN039 7.2 TCR
NAT-SIZE Clima-Tech LLC 91 FTE
NAT-SIZE Horne Motors of Gilbert DBA Horne Kia 91 FTE
NAT-SIZE Ocean Harvesters, Moss Point, MS Facility 91 FTE
NAT-SIZE Beaverton 91 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, 2021, 2020, 2019, 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.