Oil field road construction · California

Contera Construction Corporation

Corona, CA · ~70 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Contera Construction Corporation runs at 414% of its industry's injury rate - far more dangerous than the typical Oil field road construction workplace, earning a grade F.

Contera Construction Corporation: 11.6 TCR = 414% of Oil field road construction BLS 2.8 · 2y Form 300A (see methodology below)

Contera Construction Corporation safety composite

Contera Construction Corporation scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on dart rate (safer than 5%), 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).

F

18/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.59 per 100 workers

Safer than 7% of industry peers

DART rate
F 10.25 per 100 workers

Safer than 5% of industry peers

Fatalities
D 0

Safer than 53% 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

−2.7

2023→2024

Contera Construction Corporation injury rate improved

Contera Construction Corporation's TCR fell 2.7 from 12.9 in 2023 to 10.3 in 2024. Peak filing year was 2023 at 12.9 TCR. In 2024, DART was 0.88× this establishment's average TCR (severity share of cases).

2023=12.9 · 2024=10.3

OSHA ITA Form 300A scorecard

Establishment book 237310 · Corona, CA ABOVE-IND · SMALL

Grade F · TCR 11.6 · 414% of ind

  • DART 10.3 DART
  • RANK #529/551
  • PHOTO Town of Vinton
  • BOOK 2y book
  • INJ 7 inj
  • SIZE ~70 FTE

Nearest TCR peer: Town of Vinton (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Contera Construction Corporation in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Contera Construction Corporation averages 11.6 TCR (414% of the Oil field road construction BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Contera Construction Corporation TCR series: 2023=12.9 · 2024=10.3 · BLS 2.8

Where Contera Construction Corporation falls in its industry

4,078 Oil field road construction establishments

Safer than 7% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #529 safest of 551 Oil field road construction employers in California.

Contera Construction Corporation (70 employees, TCR 11.6) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 01,0002,0003,000 0102030 Average employees Total Case Rate Contera Construction Corporation
Contera Construction Corporation (70 employees, TCR 11.6) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Contera Construction Corporation has more employees than the Oil field road construction median and a higher injury rate than the industry's median TCR of 3.0. 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 10.3 10.3 3 0 0
2023 12.9 6.5 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · CA · Corona

4,078 Oil field road construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 409 employers in Corona, 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 Town of Vinton 11.6 TCR
NAICS-TCR Cascade Bridge - Main Office 11.6 TCR
NAICS-TCR Mid Florida Materials 11.6 TCR
NAICS-TCR Ionia County Road Commission 11.6 TCR
STATE-SIZE Heritage Land Company 70 FTE
STATE-SIZE Ceballos Ag Services, Inc. 70 FTE
STATE-SIZE NRTHN 70 FTE
STATE-SIZE EW Merritt Farms 70 FTE
CITY-NEAR Monster Energy Company 2535 Anselmo Dr 2,572 FTE
CITY-NEAR Monster Energy Company 2,388 FTE
CITY-NEAR Monster Energy Company - Anselmo Dr, Corona 2,335 FTE
CITY-NEAR California Department of Transportation Facility 289 1,587 FTE
NAT-TCR Store 1453 11.6 TCR
NAT-TCR Woodland Cabinetry 11.6 TCR
NAT-TCR Ng - Britton Truss 11.6 TCR
NAT-TCR Arrow Cleaning and Restoration Inc. 11.6 TCR
NAT-SIZE Tnlaw - Lawrenceburg 70 FTE
NAT-SIZE Kydan - Danville 70 FTE
NAT-SIZE Kysta - Stanton Center 70 FTE
NAT-SIZE Kypik - Pikeville 70 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.