Mechanical contractors · Missouri
Ahern St. Louis
St. Louis, MO · ~53 workers · 7 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 3.8
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Ahern St. Louis runs at 135% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.
Ahern St. Louis: 3.8 TCR = 135% of Mechanical contractors BLS 2.8 · 7y Form 300A (see methodology below)
Ahern St. Louis safety composite
Ahern St. Louis scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 19%), 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).
38/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 3.77 per 100 workers
Safer than 46% of industry peers
- DART rate
- F 4.54 per 100 workers
Safer than 19% 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
Ahern St. Louis: 4.0 → 6.8 TCR
Peak year 2024 @ 6.8 TCR · DART/TCR 1.2× in 2024
Ahern St. Louis's TCR rose 2.8 from 4.0 in 2018 to 6.8 in 2024. In 2024, DART was 1.2× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238220 · St. Louis, MO ABOVE-IND · SMALL
Grade D · TCR 3.8 · 135% of ind
- DART 4.5 DART
- RANK #52/90
- PHOTO Bell Products, Inc.
- BOOK 7y book
- INJ 13 inj
- SIZE ~53 FTE
Nearest TCR peer: Bell Products, Inc. (0.0 TCR gap)
Read with this employer → · Industry book → · Missouri employers → · Look up another →
Ahern St. Louis in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Ahern St. Louis
3.8 TCR
- Bell Products,
Bell Products, Inc.
3.8 TCR
- Klamath Falls
Klamath Falls Office
3.8 TCR
- Alcon Mechanic
Alcon Mechanical Piping, Inc.
3.8 TCR
- Pearson
Pearson
3.8 TCR
What this shows Ahern St. Louis averages 3.8 TCR (135% of the Mechanical contractors BLS benchmark).
Ahern St. Louis TCR series: 2018=4 · 2019=2.1 · 2020=4.2 · 2021=5.6 · 2022=3.7 · 2023=0 · 2024=6.8 · BLS 2.8
Where Ahern St. Louis falls in its industry
5,793 Mechanical contractors establishmentsSafer than 46% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #52 safest of 90 Mechanical contractors employers in Missouri.
Ahern St. Louis has fewer employees than the Mechanical 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 | 6.8 | 4.5 | 3 | 0 | 0 |
| 2023 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2022 | 3.7 | 3.7 | 2 | 0 | 0 |
| 2021 | 5.6 | 5.6 | 3 | 0 | 0 |
| 2020 | 4.2 | 2.1 | 2 | 0 | 0 |
| 2019 | 2.1 | 0.0 | 1 | 0 | 0 |
| 2018 | 4.0 | 2.0 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · MO · St. Louis
5,793 Mechanical contractors employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 686 employers in St. Louis, MO · 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 | Bell Products, Inc. | 3.8 TCR |
| NAICS-TCR | Klamath Falls Office | 3.8 TCR |
| NAICS-TCR | Alcon Mechanical Piping, Inc. | 3.8 TCR |
| NAICS-TCR | Pearson | 3.8 TCR |
| STATE-SIZE | F&M Meter Building | 53 FTE |
| STATE-SIZE | AMEREN MISSOURI - Underground District | 53 FTE |
| STATE-SIZE | Metering Services | 53 FTE |
| STATE-SIZE | Fortune Missouri | 53 FTE |
| CITY-NEAR | Monsanto - St. Louis | 6,028 FTE |
| CITY-NEAR | St. Anthony's Medical Center | 3,706 FTE |
| CITY-NEAR | ABI Corporation | 2,720 FTE |
| CITY-NEAR | Saint Louis University Hospital | 2,084 FTE |
| NAT-TCR | IAC, Alma | 3.8 TCR |
| NAT-TCR | Winco of South Texas | 3.8 TCR |
| NAT-TCR | M R Products, Inc. | 3.8 TCR |
| NAT-TCR | Social Vocational Services #323 | 3.8 TCR |
| NAT-SIZE | Kyana Packaging Solutions | 53 FTE |
| NAT-SIZE | Deepwater | 53 FTE |
| NAT-SIZE | Mission Sheet Metal Inc. | 53 FTE |
| NAT-SIZE | Continuing Healthcare of Boardman | 53 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.