Mechanical contractors · Iowa

Ahern Des Moines

Des Moines, IA · ~39 workers · 7 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Ahern Des Moines runs at 48% of its industry's injury rate - far safer than the typical Mechanical contractors workplace, earning a grade A.

Ahern Des Moines: 1.4 TCR = 48% of Mechanical contractors BLS 2.8 · 7y Form 300A (see methodology below)

Ahern Des Moines safety composite

Ahern Des Moines scores strongest on total case rate (tcr) (safer than 81% 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

73/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.35 per 100 workers

Safer than 81% 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%).

Ahern Des Moines held a steady TCR band

Ahern Des Moines's TCR held near 0.0 from 0.0 in 2018 to 0.0 in 2024. Peak filing year was 2021 at 4.3 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=0.0 · 2019=0.0 · 2020=0.0 · 2021=4.3 · 2022=1.9 · 2023=3.3 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Des Moines, IA AT/BELOW-IND · SMALL

Grade A · TCR 1.4 · 48% of ind

  • DART 0.0 DART
  • RANK #14/94
  • PHOTO 17-043293364
  • BOOK 7y book
  • INJ 4 inj
  • SIZE ~39 FTE

Nearest TCR peer: 17-043293364 (0.0 TCR gap)

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

Ahern Des Moines in the TCR neighbourhood

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

TCR

What this shows Ahern Des Moines averages 1.4 TCR (48% of the Mechanical contractors BLS benchmark).

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

Ahern Des Moines TCR series: 2018=0 · 2019=0 · 2020=0 · 2021=4.3 · 2022=1.9 · 2023=3.3 · 2024=0 · BLS 2.8

Where Ahern Des Moines falls in its industry

5,793 Mechanical contractors establishments

Safer than 81% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 94 Mechanical contractors employers in Iowa.

Ahern Des Moines (39 employees, TCR 1.4) 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 Ahern Des Moines
Ahern Des Moines (39 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Ahern Des Moines has fewer 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
2024 0.0 0.0 0 0 0
2023 3.3 0.0 2 0 0
2022 1.9 0.0 1 0 0
2021 4.3 0.0 1 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IA · Des Moines

5,793 Mechanical contractors employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 525 employers in Des Moines, IA · 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 17-043293364 1.4 TCR
NAICS-TCR Cleaver Brooks Sales & Service Inc 1.4 TCR
NAICS-TCR Mechanical Service & Systems Inc. 1.4 TCR
NAICS-TCR Tristar Plumbing & Heating Inc. 1.4 TCR
STATE-SIZE GGDC 39 FTE
STATE-SIZE Corteva Agriscience: MRN1: Marion IA R&D 39 FTE
STATE-SIZE Electric Production 39 FTE
STATE-SIZE Crystal Lake 39 FTE
CITY-NEAR Corporate Center 6,292 FTE
CITY-NEAR Mercy Medical Center - Des Moines 4,884 FTE
CITY-NEAR MercyOne Des Moines 3,547 FTE
CITY-NEAR Des Moines Methodist Hospital 3,495 FTE
NAT-TCR Deepwater 1.4 TCR
NAT-TCR American Integrated Resources Inc 1.4 TCR
NAT-TCR Glastron Inc 1.4 TCR
NAT-TCR Serco - Ludlow,MA 1.4 TCR
NAT-SIZE Animal Humane Society - WB 39 FTE
NAT-SIZE Tmt Socal Inc 39 FTE
NAT-SIZE Hubbard Elementary School 39 FTE
NAT-SIZE Jim's Pacific Garages, Inc 39 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.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.