Grommets, rubber, manufacturing · California

Mission Rubber Company LLC

Corona, CA · ~154 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.3
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Mission Rubber Company LLC runs at 252% of its industry's injury rate - far more dangerous than the typical Grommets, rubber, manufacturing workplace, earning a grade F.

Mission Rubber Company LLC: 8.3 TCR = 252% of Grommets, rubber, manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Mission Rubber Company LLC safety composite

Mission Rubber Company LLC scores strongest on fatalities (safer than 50% 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

24/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.33 per 100 workers

Safer than 14% of industry peers

DART rate
F 5.86 per 100 workers

Safer than 16% 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

Mission Rubber Company LLC: 4.5 → 7.6 TCR

Peak year 2018 @ 16.7 TCR · DART/TCR 0.7× in 2022

Mission Rubber Company LLC's TCR rose 3.1 from 4.5 in 2017 to 7.6 in 2022. Peak filing year was 2018 at 16.7 TCR. In 2022, DART was 0.7× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 326299 · Corona, CA ABOVE-IND · MID

Grade F · TCR 8.3 · 252% of ind

  • DART 5.9 DART
  • RANK #8/14
  • PHOTO ATT Sports
  • BOOK 6y book
  • INJ 75 inj
  • SIZE ~154 FTE

Nearest TCR peer: ATT Sports (0.0 TCR gap)

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Mission Rubber Company LLC in the TCR neighbourhood

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

TCR

What this shows Mission Rubber Company LLC averages 8.3 TCR (252% of the Grommets, rubber, manufacturing BLS benchmark).

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

Mission Rubber Company LLC TCR series: 2017=4.5 · 2018=16.7 · 2019=7 · 2020=9 · 2021=5.2 · 2022=7.6 · BLS 3.3

Where Mission Rubber Company LLC falls in its industry

257 Grommets, rubber, manufacturin establishments

Safer than 14% 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 14 Grommets, rubber, manufacturin employers in California.

Mission Rubber Company LLC (154 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 79 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 0100200300400500 0246810 Average employees Total Case Rate Mission Rubber Company LLC
Mission Rubber Company LLC (154 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 79 employees and a TCR of 3.6

Mission Rubber Company LLC has more employees than the Grommets, rubber, manufacturing 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
2022 7.6 5.9 12 1 0
2021 5.2 3.0 7 0 0
2020 9.0 7.7 13 1 0
2019 7.0 5.1 10 1 0
2018 16.7 14.7 26 0 0
2017 4.5 3.9 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

326299 · CA · Corona

257 Grommets, rubber, manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 409 employers in Corona, 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 ATT Sports 8.4 TCR
NAICS-TCR American Recycling Center, Inc. 8.3 TCR
NAICS-TCR Ultimate RB d.b.a RB Recycling 8.6 TCR
NAICS-TCR RAHCO RUBBER INC 8.1 TCR
STATE-SIZE Sun Pacific Shippers | Euclid Packinghouse 154 FTE
STATE-SIZE A.M. AG ENTERPRISE, INC. 154 FTE
STATE-SIZE AUBURN SERVICE CENTER 154 FTE
STATE-SIZE Van Nuys District HDQ 154 FTE
CITY-NEAR Monster Energy Company 2535 Anselmo Dr 2,572 FTE
CITY-NEAR Monster Energy Company 2,388 FTE
CITY-NEAR Monster Energy Company - Anselmo Dr, Corona 2,335 FTE
CITY-NEAR California Department of Transportation Facility 289 1,587 FTE
NAT-TCR Saint Mary's Home 8.3 TCR
NAT-TCR East Coast Lightning Equipment Inc. 8.3 TCR
NAT-TCR First Student Niles 8.3 TCR
NAT-TCR Phi - Tx 8.3 TCR
NAT-SIZE YMCA Camp Chingachgook 154 FTE
NAT-SIZE Labelmaster Services Inc 154 FTE
NAT-SIZE PSSI - 0231 Mountaire Farms - Lumber Bridge 154 FTE
NAT-SIZE Newfolden Independent School District 441 154 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: 2022, 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.