Footing and foundation concrete contractors · California
Marr B Olsen Inc
Petaluma, CA · ~46 workers · 6 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 10.6
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Marr B Olsen Inc runs at 379% of its industry's injury rate - far more dangerous than the typical Footing and foundation concrete contractors workplace, earning a grade F.
Marr B Olsen Inc: 10.6 TCR = 379% of Footing and foundation concrete contractors BLS 2.8 · 6y Form 300A (see methodology below)
Marr B Olsen Inc safety composite
Marr B Olsen Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 10%), 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).
32/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 10.61 per 100 workers
Safer than 10% of industry peers
- DART rate
- D 2.04 per 100 workers
Safer than 43% 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%).
TCR Δ
−7.1
2016→2024
Marr B Olsen Inc injury rate improved
Marr B Olsen Inc's TCR fell 7.1 from 15.2 in 2016 to 8.2 in 2024. Peak filing year was 2016 at 15.2 TCR. In 2024, DART was 0.19× this establishment's average TCR (severity share of cases).
2016=15.2 · 2017=11.8 · 2021=7.2 · 2022=6.5 · 2023=14.8 · 2024=8.2
OSHA ITA Form 300A scorecard
Establishment book 238110 · Petaluma, CA ABOVE-IND · SMALL
Grade F · TCR 10.6 · 379% of ind
- DART 2.0 DART
- RANK #142/166
- PHOTO 4983_11481
- BOOK 6y book
- INJ 27 inj
- SIZE ~46 FTE
Nearest TCR peer: 4983_11481 (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Marr B Olsen Inc in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- TIED RIGHT STE
TIED RIGHT STEEL INC.
10.7 TCR
- This site
Marr B Olsen Inc
10.6 TCR
- 4983_11481
4983_11481
10.6 TCR
- Star Concrete
Star Concrete Foundations, Inc
10.6 TCR
- Concrete Const
Concrete Construction Northwest, Inc.
10.6 TCR
What this shows Marr B Olsen Inc averages 10.6 TCR (379% of the Footing and foundation concrete contractors BLS benchmark).
Marr B Olsen Inc TCR series: 2016=15.2 · 2017=11.8 · 2021=7.2 · 2022=6.5 · 2023=14.8 · 2024=8.2 · BLS 2.8
Where Marr B Olsen Inc falls in its industry
1,314 Footing and foundation concret establishmentsSafer than 10% of graded establishments in this industry, whose median TCR is 3.8.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #142 safest of 166 Footing and foundation concret employers in California.
Marr B Olsen Inc has fewer employees than the Footing and foundation concrete contract median and a higher injury rate than the industry's median TCR of 3.8. 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 | 8.2 | 2.0 | 4 | 0 | 0 |
| 2023 | 14.8 | 6.4 | 6 | 1 | 0 |
| 2022 | 6.5 | 2.2 | 3 | 0 | 0 |
| 2021 | 7.2 | 0.0 | 3 | 0 | 0 |
| 2017 | 11.8 | 0.0 | 5 | 0 | 0 |
| 2016 | 15.2 | 2.5 | 6 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238110 · CA · Petaluma
1,314 Footing and foundation concrete contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 153 employers in Petaluma, CA · 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 | 4983_11481 | 10.6 TCR |
| NAICS-TCR | Star Concrete Foundations, Inc | 10.6 TCR |
| NAICS-TCR | Concrete Construction Northwest, Inc. | 10.6 TCR |
| NAICS-TCR | TIED RIGHT STEEL INC. | 10.7 TCR |
| STATE-SIZE | Matteoli Brothers | 46 FTE |
| STATE-SIZE | IMR Farms-San Miguel | 46 FTE |
| STATE-SIZE | G&G Berry Farms | 46 FTE |
| STATE-SIZE | Pitigliano Farm Services, Inc. | 46 FTE |
| CITY-NEAR | California Department of Transportation Facility 136 | 2,891 FTE |
| CITY-NEAR | California Department of Transportation Facility 470 | 2,891 FTE |
| CITY-NEAR | California Department of Transportation Facility 169 | 2,859 FTE |
| CITY-NEAR | Solairus Aviation | 1,400 FTE |
| NAT-TCR | Macon Rehabiliation and Healthcare Center | 10.6 TCR |
| NAT-TCR | 8027590 TG Missouri | 10.6 TCR |
| NAT-TCR | LNH- Concert Dr. | 10.6 TCR |
| NAT-TCR | Gardens at Sumter | 10.6 TCR |
| NAT-SIZE | Factory Five Racing, Inc. | 46 FTE |
| NAT-SIZE | Syr-Tech Perforating Co. | 46 FTE |
| NAT-SIZE | Philosophe LLC | 46 FTE |
| NAT-SIZE | McCarthy Tire Service #12 | 46 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.