Tanks, storage, plastics or fiberglass, manufacturing · California

Mauser Rancho Plant

Rancho Cucamonga, CA · ~45 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Mauser Rancho Plant runs at 118% of its industry's injury rate - about level with the typical Tanks, storage, plastics or fiberglass, manufacturing workplace, earning a grade C.

Mauser Rancho Plant: 3.9 TCR = 118% of Tanks, storage, plastics or fiberglass, manufacturing BLS 3.3 · 5y Form 300A (see methodology below)

Mauser Rancho Plant safety composite

Mauser Rancho Plant scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 24%), 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).

D

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.91 per 100 workers

Safer than 44% of industry peers

DART rate
F 3.89 per 100 workers

Safer than 24% 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

Mauser Rancho Plant: 3.2 → 5.8 TCR

Peak year 2023 @ 5.8 TCR · DART/TCR 0.99× in 2023

Mauser Rancho Plant's TCR rose 2.6 from 3.2 in 2018 to 5.8 in 2023. In 2023, DART was 0.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 326199 · Rancho Cucamonga, CA ABOVE-IND · SMALL

Grade C · TCR 3.9 · 118% of ind

  • DART 3.9 DART
  • RANK #51/117
  • PHOTO Renewal by Andersen
  • BOOK 5y book
  • INJ 11 inj
  • SIZE ~45 FTE

Nearest TCR peer: Renewal by Andersen (0.0 TCR gap)

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

Mauser Rancho Plant in the TCR neighbourhood

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

TCR

What this shows Mauser Rancho Plant averages 3.9 TCR (118% of the Tanks, storage, plastics or fiberglass, manufacturing BLS benchmark).

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

Mauser Rancho Plant TCR series: 2018=3.2 · 2019=4.8 · 2020=0 · 2022=5.7 · 2023=5.8 · BLS 3.3

Where Mauser Rancho Plant falls in its industry

2,838 Tanks, storage, plastics or fi establishments

Safer than 44% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #51 safest of 117 Tanks, storage, plastics or fi employers in California.

Mauser Rancho Plant (45 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 101 employees and a TCR of 3.5 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 05101520 Average employees Total Case Rate Mauser Rancho Plant
Mauser Rancho Plant (45 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 101 employees and a TCR of 3.5

Mauser Rancho Plant has fewer employees than the Tanks, storage, plastics or fiberglass, median and a higher injury rate than the industry's median TCR of 3.5. 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
2023 5.8 3.9 3 0 0
2022 5.7 3.8 3 0 0
2020 0.0 0.0 0 0 0
2019 4.8 3.2 3 0 0
2018 3.2 1.6 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

326199 · CA · Rancho Cucamonga

2,838 Tanks, storage, plastics or fiberglass, 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 Renewal by Andersen 3.9 TCR
NAICS-TCR PakTech 3.9 TCR
NAICS-TCR AERON Advance Manufacturing 3.9 TCR
NAICS-TCR LM Wind Power : Blade Dynamics, US 3.9 TCR
STATE-SIZE Salinas Transplant Company 45 FTE
STATE-SIZE Terra Firma Farm 45 FTE
STATE-SIZE Donald Beeman Farm 45 FTE
STATE-SIZE Berry Mist Farms, LP 45 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 Max Rieke & Brothers, Inc. 3.9 TCR
NAT-TCR Salem Sparkle 3.9 TCR
NAT-TCR Day West Liberty Subaru 3.9 TCR
NAT-TCR Conair LLC - Glendale South Building 3.9 TCR
NAT-SIZE Isometric Tool & Design, Inc. 45 FTE
NAT-SIZE Microwave Filter Company Inc 45 FTE
NAT-SIZE Ennis Steel Industries, Inc. - Fort Worth 45 FTE
NAT-SIZE Three Trade Consultants Inc 45 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: 2023, 2022, 2020, 2019, 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.