Excavation contractors · California
Clark and Sons Contracting Corporation
Pomona, CA · ~40 workers · 7 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 1.7
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Clark and Sons Contracting Corporation runs at 61% of its industry's injury rate - safer than the typical Excavation contractors workplace, earning a grade B.
Clark and Sons Contracting Corporation: 1.7 TCR = 61% of Excavation contractors BLS 2.8 · 7y Form 300A (see methodology below)
Clark and Sons Contracting Corporation safety composite
Clark and Sons Contracting Corporation scores strongest on dart rate (safer than 77% of same-industry peers) and weakest on fatalities (safer than 52%), 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).
66/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 1.7 per 100 workers
Safer than 66% of industry peers
- DART rate
- B 0 per 100 workers
Safer than 77% of industry peers
- Fatalities
- D 0
Safer than 52% 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%).
Clark and Sons Contracting Corporation held a steady TCR band
Clark and Sons Contracting Corporation's TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2024. Peak filing year was 2018 at 3.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2017=0.0 · 2018=3.6 · 2019=3.2 · 2020=2.6 · 2021=0.0 · 2023=2.5 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 238910 · Pomona, CA AT/BELOW-IND · SMALL
Grade B · TCR 1.7 · 61% of ind
- DART 0.0 DART
- RANK #48/184
- PHOTO H.L. Chapman Pipelin…
- BOOK 7y book
- INJ 4 inj
- SIZE ~40 FTE
Nearest TCR peer: H.L. Chapman Pipeline Construction , Inc. (0.0 TCR gap)
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Clark and Sons Contracting Corporation in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Clark and Sons Contracting Corporation
1.7 TCR
- H.L. Chapman P
H.L. Chapman Pipeline Construction , Inc.
1.7 TCR
- Green City Dem
Green City Demolition
1.7 TCR
- Richmond, VA O
Richmond, VA Office
1.7 TCR
- Laurita, Inc.
Laurita, Inc.
1.7 TCR
What this shows Clark and Sons Contracting Corporation averages 1.7 TCR (61% of the Excavation contractors BLS benchmark).
Clark and Sons Contracting Corporation TCR series: 2017=0 · 2018=3.6 · 2019=3.2 · 2020=2.6 · 2021=0 · 2023=2.5 · 2024=0 · BLS 2.8
Where Clark and Sons Contracting Corporation falls in its industry
1,750 Excavation contractors establishmentsSafer than 66% of graded establishments in this industry, whose median TCR is 2.5.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #48 safest of 184 Excavation contractors employers in California.
Clark and Sons Contracting Corporation has fewer employees than the Excavation contractors median and a lower injury rate than the industry's median TCR of 2.5. 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 | 2.5 | 2.5 | 1 | 0 | 0 |
| 2021 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2020 | 2.6 | 2.6 | 1 | 0 | 0 |
| 2019 | 3.2 | 3.2 | 1 | 0 | 0 |
| 2018 | 3.6 | 3.6 | 1 | 0 | 0 |
| 2017 | 0.0 | 0.0 | 0 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238910 · CA · Pomona
1,750 Excavation contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 177 employers in Pomona, 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 | H.L. Chapman Pipeline Construction , Inc. | 1.7 TCR |
| NAICS-TCR | Green City Demolition | 1.7 TCR |
| NAICS-TCR | Richmond, VA Office | 1.7 TCR |
| NAICS-TCR | Laurita, Inc. | 1.7 TCR |
| STATE-SIZE | Stackhouse Brothers | 40 FTE |
| STATE-SIZE | PISTACHIO HARVESTING, INC. | 40 FTE |
| STATE-SIZE | Watsonville/San Juan Bautista | 40 FTE |
| STATE-SIZE | Gomez Growers | 40 FTE |
| CITY-NEAR | Pomona Valley Hospital Medical Center | 3,804 FTE |
| CITY-NEAR | California Department of Transportation Facility 524 | 2,621 FTE |
| CITY-NEAR | Casa Colina Hospital and Centers for Healthcare | 1,136 FTE |
| CITY-NEAR | Henkels & McCoy, Inc. - Pomona, CA | 1,129 FTE |
| NAT-TCR | Cathedral Corporation - Rome | 1.7 TCR |
| NAT-TCR | Digital Room LLC - Arlington | 1.7 TCR |
| NAT-TCR | CMC Recycling Athens | 1.7 TCR |
| NAT-TCR | MD&A Repairs | 1.7 TCR |
| NAT-SIZE | Yukon Construction, Inc. | 40 FTE |
| NAT-SIZE | First Service CGC, Inc. | 40 FTE |
| NAT-SIZE | Greenfield | 40 FTE |
| NAT-SIZE | MCX East- Warsaw, NC | 40 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.