Mini-mills, steel · California

Columbia Steel INC

Rialto, CA · ~110 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.6
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Columbia Steel INC runs at 231% of its industry's injury rate - far more dangerous than the typical Mini-mills, steel workplace, earning a grade F.

Columbia Steel INC: 7.6 TCR = 231% of Mini-mills, steel BLS 3.3 · 6y Form 300A (see methodology below)

Columbia Steel INC safety composite

Columbia Steel INC scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on total case rate (tcr) (safer than 14%), 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

26/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.63 per 100 workers

Safer than 14% of industry peers

DART rate
F 3.05 per 100 workers

Safer than 19% 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

−5.8

2016→2021

Columbia Steel INC injury rate improved

Columbia Steel INC's TCR fell 5.8 from 10.3 in 2016 to 4.6 in 2021. Peak filing year was 2016 at 10.3 TCR. In 2021, DART was 0.4× this establishment's average TCR (severity share of cases).

2016=10.3 · 2017=8.9 · 2018=7.5 · 2019=5.3 · 2020=9.1 · 2021=4.6

OSHA ITA Form 300A scorecard

Establishment book 331110 · Rialto, CA ABOVE-IND · MID

Grade F · TCR 7.6 · 231% of ind

  • DART 3.0 DART
  • RANK #7/10
  • PHOTO Union Electric Steel…
  • BOOK 6y book
  • INJ 44 inj
  • SIZE ~110 FTE

Nearest TCR peer: Union Electric Steel- Carnegie Plant (0.0 TCR gap)

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

Columbia Steel INC in the TCR neighbourhood

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

TCR

What this shows Columbia Steel INC averages 7.6 TCR (231% of the Mini-mills, steel BLS benchmark).

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

Columbia Steel INC TCR series: 2016=10.3 · 2017=8.9 · 2018=7.5 · 2019=5.3 · 2020=9.1 · 2021=4.6 · BLS 3.3

Where Columbia Steel INC falls in its industry

416 Mini-mills, steel establishments

Safer than 14% of graded establishments in this industry, whose median TCR is 2.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 10 Mini-mills, steel employers in California.

Columbia Steel INC (110 employees, TCR 7.6) among 29 same-industry peers, split at the industry median of 155 employees and a TCR of 2.7 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 05001,0001,5002,0002,500 051015 Average employees Total Case Rate Columbia Steel INC
Columbia Steel INC (110 employees, TCR 7.6) among 29 same-industry peers, split at the industry median of 155 employees and a TCR of 2.7

Columbia Steel INC has fewer employees than the Mini-mills, steel median and a higher injury rate than the industry's median TCR of 2.7. 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
2021 4.6 3.0 5 1 0
2020 9.1 5.7 6 2 0
2019 5.3 4.6 5 2 0
2018 7.5 3.4 9 2 0
2017 8.9 1.0 9 0 0
2016 10.3 1.0 10 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

331110 · CA · Rialto

416 Mini-mills, steel employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 133 employers in Rialto, 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 Union Electric Steel- Carnegie Plant 7.7 TCR
NAICS-TCR Xcel Steel Pickling 7.6 TCR
NAICS-TCR Chicago Heights Steel 7.7 TCR
NAICS-TCR Eaton Metal Products 7.5 TCR
STATE-SIZE Queen Victoria Farms, LP 110 FTE
STATE-SIZE River Ridge Farms 110 FTE
STATE-SIZE GH Dairy - California 110 FTE
STATE-SIZE Braga Ranch, Inc. Soledad 110 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : LGB7 4,143 FTE
CITY-NEAR Amazon.com Services LLC - LGB7 4,095 FTE
CITY-NEAR Amazon.com Services LLC - LGB8 2,705 FTE
CITY-NEAR 3806 - Rialto CA DC 1,822 FTE
NAT-TCR LFC Industries 7.6 TCR
NAT-TCR Cambridge 7.6 TCR
NAT-TCR WLM 7.6 TCR
NAT-TCR Core-Mark International - Atlanta Division 7.6 TCR
NAT-SIZE Glanbia Idaho Headquarters 110 FTE
NAT-SIZE Milwaukee- 33 110 FTE
NAT-SIZE Heartland Food Products Group CT 110 FTE
NAT-SIZE James Corlew Chevrolet Inc 110 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: 2021, 2020, 2019, 2018, 2017, 2016. 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.