Aluminum die-casting foundries · California

TST, Inc.

Fontana, CA · ~151 workers · 7 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

TST, Inc. runs at 235% of its industry's injury rate - far more dangerous than the typical Aluminum die-casting foundries workplace, earning a grade F.

TST, Inc.: 7.7 TCR = 235% of Aluminum die-casting foundries BLS 3.3 · 7y Form 300A (see methodology below)

TST, Inc. safety composite

TST, Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 22%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.74 per 100 workers

Safer than 22% of industry peers

DART rate
D 3.19 per 100 workers

Safer than 36% of industry peers

Fatalities
D 0

Safer than 50% 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

TST, Inc.: 0.0 → 4.0 TCR

Peak year 2020 @ 16.9 TCR · DART/TCR 0.41× in 2024

TST, Inc.'s TCR rose 4.0 from 0.0 in 2017 to 4.0 in 2024. Peak filing year was 2020 at 16.9 TCR. In 2024, DART was 0.41× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 331523 · Fontana, CA ABOVE-IND · MID

Grade F · TCR 7.7 · 235% of ind

  • DART 3.2 DART
  • RANK #10/11
  • PHOTO Serv-All
  • BOOK 7y book
  • INJ 67 inj
  • SIZE ~151 FTE

Nearest TCR peer: Serv-All (0.0 TCR gap)

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

TST, Inc. in the TCR neighbourhood

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

TCR

What this shows TST, Inc. averages 7.7 TCR (235% of the Aluminum die-casting foundries BLS benchmark).

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

TST, Inc. TCR series: 2017=0 · 2018=6.4 · 2019=10.3 · 2020=16.9 · 2021=8.1 · 2023=8.5 · 2024=4 · BLS 3.3

Where TST, Inc. falls in its industry

221 Aluminum die-casting foundries establishments

Safer than 22% of graded establishments in this industry, whose median TCR is 4.7.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 11 Aluminum die-casting foundries employers in California.

TST, Inc. (151 employees, TCR 7.7) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 4.7 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 02004006008001,000 05101520 Average employees Total Case Rate TST, Inc.
TST, Inc. (151 employees, TCR 7.7) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 4.7

TST, Inc. has more employees than the Aluminum die-casting foundries median and a higher injury rate than the industry's median TCR of 4.7. 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
2024 4.0 3.2 5 0 0
2023 8.5 7.0 11 0 0
2021 8.1 8.1 15 0 0
2020 16.9 16.9 15 15 0
2019 10.3 8.3 11 4 0
2018 6.4 5.1 10 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

331523 · CA · Fontana

221 Aluminum die-casting foundries employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 363 employers in Fontana, 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 Serv-All 7.8 TCR
NAICS-TCR CALIFORNIA DIE CASTING, INC. 7.6 TCR
NAICS-TCR GENERAL DIE CASTER, INC (PENINSULA PLANT) 7.6 TCR
NAICS-TCR ADC Manufacturing 7.9 TCR
STATE-SIZE Delta Farm Packing 151 FTE
STATE-SIZE Truitt Oilfield Maintenance Corp. 151 FTE
STATE-SIZE Chino Base - Bld: 0842 - 15 151 FTE
STATE-SIZE Lodi Pump and Irrigation, LLC 151 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : LAX9 2,844 FTE
CITY-NEAR Amazon.com Services LLC - LAX9 2,645 FTE
CITY-NEAR 08880314 FONTANA MEDICAL CENTER 2,635 FTE
CITY-NEAR 2032-08180314 2,236 FTE
NAT-TCR Gator Clearwater 7.7 TCR
NAT-TCR Elite Landscape Services LLC 7.7 TCR
NAT-TCR OnRamp LLC 7.7 TCR
NAT-TCR Palmer Candy Company Hwy 75 7.7 TCR
NAT-SIZE Lafayette Manor INC 151 FTE
NAT-SIZE Aberdeen Village 151 FTE
NAT-SIZE Worthington Steel Monroe 151 FTE
NAT-SIZE Otis Elevator Company-DC Service 151 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, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.