Asphalt roof shingle installation · New Hampshire
A.W. Therrien Co., Inc.
Manchester, NH · ~28 workers · 8 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 9.4
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
A.W. Therrien Co., Inc. runs at 336% of its industry's injury rate - far more dangerous than the typical Asphalt roof shingle installation workplace, earning a grade F.
A.W. Therrien Co., Inc.: 9.4 TCR = 336% of Asphalt roof shingle installation BLS 2.8 · 8y Form 300A (see methodology below)
A.W. Therrien Co., Inc. safety composite
A.W. Therrien Co., Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 11%), 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).
22/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 9.4 per 100 workers
Safer than 13% of industry peers
- DART rate
- F 7.86 per 100 workers
Safer than 11% 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
A.W. Therrien Co., Inc.: 6.5 → 11.8 TCR
Peak year 2021 @ 15.0 TCR · DART/TCR 0.84× in 2024
A.W. Therrien Co., Inc.'s TCR rose 5.3 from 6.5 in 2016 to 11.8 in 2024. Peak filing year was 2021 at 15.0 TCR. In 2024, DART was 0.84× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238160 · Manchester, NH ABOVE-IND · SMALL
Grade F · TCR 9.4 · 336% of ind
- DART 7.9 DART
- RANK #3/9
- PHOTO Tinco Sheet Metal
- BOOK 8y book
- INJ 20 inj
- SIZE ~28 FTE
Nearest TCR peer: Tinco Sheet Metal (0.0 TCR gap)
Read with this employer → · Industry book → · New Hampshire employers → · Look up another →
A.W. Therrien Co., Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
A.W. Therrien Co., Inc.
9.4 TCR
- Tinco Sheet Me
Tinco Sheet Metal
9.4 TCR
- Kirberg Compan
Kirberg Company Springfield MO
9.4 TCR
- Provincial Sou
Provincial South Inc. dba PSI Roofing
9.4 TCR
- Ciaccio Roofin
Ciaccio Roofing Corporation
9.3 TCR
What this shows A.W. Therrien Co., Inc. averages 9.4 TCR (336% of the Asphalt roof shingle installation BLS benchmark).
A.W. Therrien Co., Inc. TCR series: 2016=6.5 · 2018=7.2 · 2019=13.2 · 2020=3.5 · 2021=15 · 2022=7.2 · 2023=11.1 · 2024=11.8 · BLS 2.8
Where A.W. Therrien Co., Inc. falls in its industry
1,723 Asphalt roof shingle installat establishmentsSafer than 13% of graded establishments in this industry, whose median TCR is 3.7.
Narrower to New Hampshire alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 9 Asphalt roof shingle installat employers in New Hampshire.
A.W. Therrien Co., Inc. has fewer employees than the Asphalt roof shingle installation median and a higher injury rate than the industry's median TCR of 3.7. 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 | 11.8 | 7.9 | 3 | 0 | 0 |
| 2023 | 11.1 | 3.7 | 3 | 0 | 0 |
| 2022 | 7.2 | 7.2 | 2 | 0 | 0 |
| 2021 | 15.0 | 15.0 | 3 | 1 | 0 |
| 2020 | 3.5 | 3.5 | 1 | 0 | 0 |
| 2019 | 13.2 | 13.2 | 4 | 0 | 0 |
| 2018 | 7.2 | 3.6 | 2 | 0 | 0 |
| 2016 | 6.5 | 6.5 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238160 · NH · Manchester
1,723 Asphalt roof shingle installation employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 253 employers in Manchester, NH · 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 | Tinco Sheet Metal | 9.4 TCR |
| NAICS-TCR | Kirberg Company Springfield MO | 9.4 TCR |
| NAICS-TCR | Provincial South Inc. dba PSI Roofing | 9.4 TCR |
| NAICS-TCR | Ciaccio Roofing Corporation | 9.3 TCR |
| STATE-SIZE | Newington Station | 28 FTE |
| STATE-SIZE | Burgess Biopower | 28 FTE |
| STATE-SIZE | Stephens Marquis Associates Inc | 28 FTE |
| STATE-SIZE | All States Construction, Inc (Winchester NH ) | 28 FTE |
| CITY-NEAR | Point32Health Manchester | 4,440 FTE |
| CITY-NEAR | Elliot Hospital | 2,745 FTE |
| CITY-NEAR | Catholic Medical Center | 2,086 FTE |
| CITY-NEAR | 15966 | 1,154 FTE |
| NAT-TCR | Nydree Flooring - PA | 9.4 TCR |
| NAT-TCR | Grand Image, Inc. | 9.4 TCR |
| NAT-TCR | Store #34 | 9.4 TCR |
| NAT-TCR | 127 Daniels | 9.4 TCR |
| NAT-SIZE | 1262 Ocean Parkway | 28 FTE |
| NAT-SIZE | Stein's Garden & Home Wauwatosa Store | 28 FTE |
| NAT-SIZE | OMF Orlando Inc. | 28 FTE |
| NAT-SIZE | Langhorne Store | 28 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.