Central heating equipment and piping installation · Tennessee
Callahan Mechanical Contractors, Inc.
Chattanooga, TN · ~84 workers · 3 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 1.2
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Callahan Mechanical Contractors, Inc. runs at 44% of its industry's injury rate - far safer than the typical Central heating equipment and piping installation workplace, earning a grade A.
Callahan Mechanical Contractors, Inc.: 1.2 TCR = 44% of Central heating equipment and piping installation BLS 2.8 · 3y Form 300A (see methodology below)
Callahan Mechanical Contractors, Inc. safety composite
Callahan Mechanical Contractors, Inc. scores strongest on total case rate (tcr) (safer than 82% 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).
74/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- B 1.24 per 100 workers
Safer than 82% 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
Callahan Mechanical Contractors, Inc.: 0.0 → 1.4 TCR
Peak year 2023 @ 2.3 TCR · DART/TCR 0× in 2024
Callahan Mechanical Contractors, Inc.'s TCR rose 1.4 from 0.0 in 2022 to 1.4 in 2024. Peak filing year was 2023 at 2.3 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238220 · Chattanooga, TN AT/BELOW-IND · SMALL
Grade A · TCR 1.2 · 44% of ind
- DART 0.0 DART
- RANK #21/117
- PHOTO Lawton Mechanical Co…
- BOOK 3y book
- INJ 3 inj
- SIZE ~84 FTE
Nearest TCR peer: Lawton Mechanical Contractors (0.0 TCR gap)
Read with this employer → · Industry book → · Tennessee employers → · Look up another →
Callahan Mechanical Contractors, Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Callahan Mechanical Contractors, Inc.
1.2 TCR
- Lawton Mechani
Lawton Mechanical Contractors
1.2 TCR
- Melgar Mechani
Melgar Mechanical Inc
1.2 TCR
- DeBra-Kuempel
DeBra-Kuempel Inc
1.2 TCR
- Wood Air Condi
Wood Air Conditioning, LLC
1.2 TCR
What this shows Callahan Mechanical Contractors, Inc. averages 1.2 TCR (44% of the Central heating equipment and piping installation BLS benchmark).
Callahan Mechanical Contractors, Inc. TCR series: 2022=0 · 2023=2.3 · 2024=1.4 · BLS 2.8
Where Callahan Mechanical Contractors, Inc. falls in its industry
5,793 Central heating equipment and establishmentsSafer than 82% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #21 safest of 117 Central heating equipment and employers in Tennessee.
Callahan Mechanical Contractors, Inc. has more employees than the Central heating equipment and piping ins 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 | 1.4 | 0.0 | 1 | 0 | 0 |
| 2023 | 2.3 | 2.3 | 2 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · TN · Chattanooga
5,793 Central heating equipment and piping installation employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 695 employers in Chattanooga, TN · 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 | Lawton Mechanical Contractors | 1.2 TCR |
| NAICS-TCR | Melgar Mechanical Inc | 1.2 TCR |
| NAICS-TCR | DeBra-Kuempel Inc | 1.2 TCR |
| NAICS-TCR | Wood Air Conditioning, LLC | 1.2 TCR |
| STATE-SIZE | Woodstream Corporation Knoxville | 84 FTE |
| STATE-SIZE | Lennar Nashville | 84 FTE |
| STATE-SIZE | Water Division | 84 FTE |
| STATE-SIZE | M3 Technology Group, Inc. | 84 FTE |
| CITY-NEAR | CHATTANOOGA COKE | 8,650 FTE |
| CITY-NEAR | CHATTANOOGA FOOD | 8,650 FTE |
| CITY-NEAR | USXpress | 7,385 FTE |
| CITY-NEAR | Cardiology GB | 6,606 FTE |
| NAT-TCR | Stephens Pipe & Steel LLC SPORTSWEAR | 1.2 TCR |
| NAT-TCR | Fulfill | 1.2 TCR |
| NAT-TCR | IBP of Miami | 1.2 TCR |
| NAT-TCR | CQ Insulation Orlando | 1.2 TCR |
| NAT-SIZE | Residence Inn by Marriott San Juan Isla Verde | 84 FTE |
| NAT-SIZE | Farm and Fleet of Urbana | 84 FTE |
| NAT-SIZE | Extru-Tech, Inc. | 84 FTE |
| NAT-SIZE | Juneau Police Department | 84 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.