Structural steel erecting or iron work contractors · California

Kwan Wo Ironworks

Hayward, CA · ~131 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Kwan Wo Ironworks runs at 39% of its industry's injury rate - far safer than the typical Structural steel erecting or iron work contractors workplace, earning a grade A.

Kwan Wo Ironworks: 1.1 TCR = 39% of Structural steel erecting or iron work contractors BLS 2.8 · 2y Form 300A (see methodology below)

Kwan Wo Ironworks safety composite

Kwan Wo Ironworks scores strongest on total case rate (tcr) (safer than 89% of same-industry peers) and weakest on fatalities (safer than 53%), 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).

B

77/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.1 per 100 workers

Safer than 89% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

Rising injury rate

Kwan Wo Ironworks: 0.8 → 1.4 TCR

Peak year 2020 @ 1.4 TCR · DART/TCR 0× in 2020

Kwan Wo Ironworks's TCR rose 0.6 from 0.8 in 2018 to 1.4 in 2020. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238120 · Hayward, CA AT/BELOW-IND · MID

Grade A · TCR 1.1 · 39% of ind

  • DART 0.0 DART
  • RANK #6/96
  • PHOTO Florence Concrete Pr…
  • BOOK 2y book
  • INJ 3 inj
  • SIZE ~131 FTE

Nearest TCR peer: Florence Concrete Products, Inc. Field (0.0 TCR gap)

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Kwan Wo Ironworks in the TCR neighbourhood

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

TCR

What this shows Kwan Wo Ironworks averages 1.1 TCR (39% of the Structural steel erecting or iron work contractors BLS benchmark).

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

Kwan Wo Ironworks TCR series: 2018=0.8 · 2020=1.4 · BLS 2.8

Where Kwan Wo Ironworks falls in its industry

705 Structural steel erecting or i establishments

Safer than 89% of graded establishments in this industry, whose median TCR is 3.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 96 Structural steel erecting or i employers in California.

Kwan Wo Ironworks (131 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 3.9 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 050100150200250 0246810 Average employees Total Case Rate Kwan Wo Ironworks
Kwan Wo Ironworks (131 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 3.9

Kwan Wo Ironworks has more employees than the Structural steel erecting or iron work c median and a lower injury rate than the industry's median TCR of 3.9. 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
2020 1.4 0.0 2 0 0
2018 0.8 0.8 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238120 · CA · Hayward

705 Structural steel erecting or iron work contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 336 employers in Hayward, 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 Florence Concrete Products, Inc. Field 1.1 TCR
NAICS-TCR CCSI 1.1 TCR
NAICS-TCR Pioneer Steel, Inc 1.1 TCR
NAICS-TCR Gulf Coast Rebar Inc 1.1 TCR
STATE-SIZE Babe Blosser Ranch 131 FTE
STATE-SIZE Dave Wilson Nursery 131 FTE
STATE-SIZE Gold Flora Corp 131 FTE
STATE-SIZE Land FLC 131 FTE
CITY-NEAR California Department of Transportation Facility 518 2,891 FTE
CITY-NEAR California Department of Transportation Facility 100 2,817 FTE
CITY-NEAR California Department of Transportation Facility 117 2,817 FTE
CITY-NEAR St Rose Hospital 929 FTE
NAT-TCR Charlotte, NC (SSS, CSS) 1.1 TCR
NAT-TCR zulily 1.1 TCR
NAT-TCR Oaktree Healthcare 1.1 TCR
NAT-TCR Roses 532 1.1 TCR
NAT-SIZE The Kraemer Company 131 FTE
NAT-SIZE Elite Glass Installation 131 FTE
NAT-SIZE 825 Miami, Fl 131 FTE
NAT-SIZE Systems Germantown 131 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: 2020, 2018. 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.