Air-conditioning system (except window) installation · Oklahoma

United Mechanical Service, Inc.

Oklahoma City, OK · ~40 workers · 7 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

United Mechanical Service, Inc. runs at 78% of its industry's injury rate - safer than the typical Air-conditioning system (except window) installation workplace, earning a grade B.

United Mechanical Service, Inc.: 2.2 TCR = 78% of Air-conditioning system (except window) installation BLS 2.8 · 7y Form 300A (see methodology below)

United Mechanical Service, Inc. safety composite

United Mechanical Service, Inc. scores strongest on dart rate (safer than 80% 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

67/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.17 per 100 workers

Safer than 66% 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%).

Rising injury rate

United Mechanical Service, Inc.: 0.0 → 2.3 TCR

Peak year 2021 @ 5.4 TCR · DART/TCR 0× in 2024

United Mechanical Service, Inc.'s TCR rose 2.3 from 0.0 in 2016 to 2.3 in 2024. Peak filing year was 2021 at 5.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Oklahoma City, OK AT/BELOW-IND · SMALL

Grade B · TCR 2.2 · 78% of ind

  • DART 0.0 DART
  • RANK #11/40
  • PHOTO Macomb Mechanical, I…
  • BOOK 7y book
  • INJ 6 inj
  • SIZE ~40 FTE

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

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

United Mechanical Service, Inc. in the TCR neighbourhood

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

TCR

What this shows United Mechanical Service, Inc. averages 2.2 TCR (78% 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

United Mechanical Service, Inc. TCR series: 2016=0 · 2017=2.3 · 2018=2.4 · 2020=2.8 · 2021=5.4 · 2023=0 · 2024=2.3 · BLS 2.8

Where United Mechanical Service, Inc. falls in its industry

5,793 Air-conditioning system (excep establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Oklahoma alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 40 Air-conditioning system (excep employers in Oklahoma.

United Mechanical Service, Inc. (40 employees, TCR 2.2) 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 United Mechanical Service, Inc.
United Mechanical Service, Inc. (40 employees, TCR 2.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

United Mechanical Service, Inc. has fewer employees than the Air-conditioning system (except window) 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 2.3 0.0 1 0 0
2023 0.0 0.0 0 0 0
2021 5.4 0.0 2 0 0
2020 2.8 2.8 1 0 0
2018 2.4 2.4 1 0 0
2017 2.3 2.3 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OK · Oklahoma City

5,793 Air-conditioning system (except window) installation employers nationwide with a credible TCR · 5,320 rated employers in Oklahoma with headcount on file · 1,293 employers in Oklahoma City, OK · 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 Macomb Mechanical, Inc. 2.2 TCR
NAICS-TCR 3133_6047 2.2 TCR
NAICS-TCR GEMCO Constructors LLC 2.2 TCR
NAICS-TCR Construction 2.2 TCR
STATE-SIZE Engelbrecht Farms, LLC 40 FTE
STATE-SIZE SandRidge Energy - Corporate Office 40 FTE
STATE-SIZE R&R Workover Rigs 40 FTE
STATE-SIZE OG&E-Northeast District Service Cen 40 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : OKC1 3,710 FTE
CITY-NEAR Amazon.com Services LLC - OKC1 3,462 FTE
CITY-NEAR St. Anthony Hospital 3,417 FTE
CITY-NEAR OK005 3,027 FTE
NAT-TCR Sterling Process Equipment & Services, Inc. 2.2 TCR
NAT-TCR SUHM Spring Works, Inc 2.2 TCR
NAT-TCR Lan-Co Companies, Inc. 2.2 TCR
NAT-TCR The Fresh Market 150 2.2 TCR
NAT-SIZE Brooklyn Oregon 40 FTE
NAT-SIZE Coverlay Manufacturing Inc. 40 FTE
NAT-SIZE Morrill Plant 40 FTE
NAT-SIZE Pro-Fab, Inc 40 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, 2021, 2020, 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.