Storage tanks, heavy gauge metal, manufacturing · California

Superior Tank Company, Inc.

Rancho Cucamonga, CA · ~215 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.8
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Superior Tank Company, Inc. runs at 206% of its industry's injury rate - far more dangerous than the typical Storage tanks, heavy gauge metal, manufacturing workplace, earning a grade F.

Superior Tank Company, Inc.: 6.8 TCR = 206% of Storage tanks, heavy gauge metal, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Superior Tank Company, Inc. safety composite

Superior Tank Company, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 4%), 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

24/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.79 per 100 workers

Safer than 25% of industry peers

DART rate
F 9.99 per 100 workers

Safer than 4% 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%).

Rising injury rate

Superior Tank Company, Inc.: 2.9 → 13.7 TCR

Peak year 2020 @ 13.7 TCR · DART/TCR 1.47× in 2020

Superior Tank Company, Inc.'s TCR rose 10.8 from 2.9 in 2017 to 13.7 in 2020. In 2020, DART was 1.47× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 332420 · Rancho Cucamonga, CA ABOVE-IND · MID

Grade F · TCR 6.8 · 206% of ind

  • DART 10.0 DART
  • RANK #8/11
  • PHOTO Quality Steel Corp.
  • BOOK 3y book
  • INJ 28 inj
  • SIZE ~215 FTE

Nearest TCR peer: Quality Steel Corp. (0.0 TCR gap)

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

Superior Tank Company, Inc. in the TCR neighbourhood

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

TCR

What this shows Superior Tank Company, Inc. averages 6.8 TCR (206% of the Storage tanks, heavy gauge metal, manufacturing BLS benchmark).

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

Superior Tank Company, Inc. TCR series: 2017=2.9 · 2019=3.7 · 2020=13.7 · BLS 3.3

Where Superior Tank Company, Inc. falls in its industry

355 Storage tanks, heavy gauge met establishments

Safer than 25% of graded establishments in this industry, whose median TCR is 3.6.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 11 Storage tanks, heavy gauge met employers in California.

Superior Tank Company, Inc. (215 employees, TCR 6.8) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.6 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 0100200300400 051015 Average employees Total Case Rate Superior Tank Company, Inc.
Superior Tank Company, Inc. (215 employees, TCR 6.8) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.6

Superior Tank Company, Inc. has more employees than the Storage tanks, heavy gauge metal, manufa median and a higher injury rate than the industry's median TCR of 3.6. 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 13.7 10.0 17 5 0
2019 3.7 2.5 6 0 0
2017 2.9 2.9 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332420 · CA · Rancho Cucamonga

355 Storage tanks, heavy gauge metal, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 229 employers in Rancho Cucamonga, 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 Quality Steel Corp. 6.8 TCR
NAICS-TCR Hamilton Tanks LLC 6.7 TCR
NAICS-TCR Arc Controls Inc. 6.7 TCR
NAICS-TCR United Alloy Texas (UAT) 6.6 TCR
STATE-SIZE Camarillo 215 FTE
STATE-SIZE Wonderful Orchards-Eastside 215 FTE
STATE-SIZE 622 SAN MARCOS 215 FTE
STATE-SIZE YC Trucking 215 FTE
CITY-NEAR California Department of Transportation Facility 304 1,529 FTE
CITY-NEAR Davis Development Company, Inc. 1,214 FTE
CITY-NEAR CUCAMONGA 809 FTE
CITY-NEAR VIP,INC. Rancho Cucamonga 751 FTE
NAT-TCR Village of Carrier Mills 6.8 TCR
NAT-TCR Ross store 1056 6.8 TCR
NAT-TCR 0007-Atrium Health Pineville 6.8 TCR
NAT-TCR Lino Lakes/ Field 6.8 TCR
NAT-SIZE Lions Gate CCRC 215 FTE
NAT-SIZE Digital Room LLC - Arlington Location 215 FTE
NAT-SIZE Brown Brothers Asphalt & Concrete 215 FTE
NAT-SIZE Tennessee Rand, Inc. 215 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, 2019, 2017. 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.