SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR MANUFACTURING · California

Ca01-Sma-Los Angeles

Name: Ca01-Sma-Los Angeles Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Corona, CA · ~30 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

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

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The verdict

Ca01-Sma-Los Angeles runs at 251% of its industry's injury rate - far more dangerous than the typical SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR MANUFACTURING workplace, earning a grade F.

Ca01-Sma-Los Angeles: 8.3 TCR = 251% of SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR MANUFACTURING BLS 3.3 · 5y Form 300A (see methodology below)

Ca01-Sma-Los Angeles safety composite

Ca01-Sma-Los Angeles scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 10%), 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).

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 8.29 per 100 workers

Safer than 29% of industry peers
DART rate: F 7.43 per 100 workers

Safer than 10% 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

Ca01-Sma-Los Angeles: 4.4 → 7.4 TCR

Peak year 2018 @ 19.6 TCR · DART/TCR 0.9× in 2021

Ca01-Sma-Los Angeles's TCR rose 3.0 from 4.4 in 2017 to 7.4 in 2021. Peak filing year was 2018 at 19.6 TCR. In 2021, DART was 0.9× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 336212 · Corona, CA ABOVE-IND · SMALL

Grade F · TCR 8.3 · 251% of ind

DART 7.4 DART
RANK #10/18
PHOTO Sioux Falls CE
BOOK 5y book
INJ 11 inj
SIZE ~30 FTE

Nearest TCR peer: Sioux Falls CE (0.0 TCR gap)

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This site

8.3
Sioux Falls CE

8.3
118_8972

8.3
Engineered Mob

8.3
MAC Trailer of

8.2

What this shows Ca01-Sma-Los Angeles averages 8.3 TCR (251% of the SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR MANUFACTURING BLS benchmark).

Ca01-Sma-Los Angeles TCR series: 2017=4.4 · 2018=19.6 · 2019=3.6 · 2020=6.4 · 2021=7.4 · BLS 3.3

Where Ca01-Sma-Los Angeles falls in its industry

474 SPEED CHANGER, INDUSTRIAL HIGH establishments

Safer than 29% of graded establishments in this industry, whose median TCR is 5.6.

Grade F

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 18 SPEED CHANGER, INDUSTRIAL HIGH employers in California.

Ca01-Sma-Los Angeles (30 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 86 employees and a TCR of 5.6

Ca01-Sma-Los Angeles has fewer employees than the SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRI median and a higher injury rate than the industry's median TCR of 5.6. 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
2021	7.4	7.4	2
2020	6.4	6.4	2
2019	3.6	3.6	1
2018	19.6	15.7	5
2017	4.4	0.0	1

OSHA ITA peer cross-reference

Establishment peer ledger

336212 · CA · Corona

474 SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR 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	Place	Metric
NAICS-TCR	Sioux Falls CE	SIOUX FALLS, SD	8.3 TCR
NAICS-TCR	118_8972	CLARINDA, IA	8.3 TCR
NAICS-TCR	Engineered Mobile Solutions, Inc.	BATAVIA, OH	8.3 TCR
NAICS-TCR	MAC Trailer of Oklahoma, Inc.	DAVIS, OK	8.2 TCR
STATE-SIZE	BZNUR	PORTERVILLE	30 FTE
STATE-SIZE	1780 San Juan Rd.	AROMAS	30 FTE
STATE-SIZE	Charter Oaks	ARBUCKLE	30 FTE
STATE-SIZE	Greenfields Turf, Inc.	GREENFIELD	30 FTE
CITY-NEAR	Monster Energy Company 2535 Anselmo Dr	Corona	2,572 FTE
CITY-NEAR	Monster Energy Company	Corona	2,388 FTE
CITY-NEAR	Monster Energy Company - Anselmo Dr, Corona	Corona	2,335 FTE
CITY-NEAR	California Department of Transportation Facility 289	Corona	1,587 FTE
NAT-TCR	Godshall's Telford	Telford, PA	8.3 TCR
NAT-TCR	Village of Park Forest	Park Forest, IL	8.3 TCR
NAT-TCR	Haven of Lakeside, LLC	Lakeside, AZ	8.3 TCR
NAT-TCR	Community Place	Jackson, MS	8.3 TCR
NAT-SIZE	NYALB 01 - Nano Fab, IBM - Albany	Albany, NY	30 FTE
NAT-SIZE	KC Warehouse	Bonner Springs, KS	30 FTE
NAT-SIZE	Lahey Health Primary Care Arlington	Arlington, MA	30 FTE
NAT-SIZE	Bobcat of the Rockies- Windsor	Windsor, CO	30 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: 2021, 2020, 2019, 2018, 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.