Flashlights manufacturing · California

Mag Instrument, Inc.

Ontario, CA · ~814 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.3
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Mag Instrument, Inc. runs at 131% of its industry's injury rate - more dangerous than the typical Flashlights manufacturing workplace, earning a grade D.

Mag Instrument, Inc.: 4.3 TCR = 131% of Flashlights manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Mag Instrument, Inc. safety composite

Mag Instrument, Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 21%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.33 per 100 workers

Safer than 24% of industry peers

DART rate
F 2.19 per 100 workers

Safer than 21% 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

Mag Instrument, Inc.: 4.5 → 5.1 TCR

Peak year 2023 @ 5.1 TCR · DART/TCR 0.51× in 2023

Mag Instrument, Inc.'s TCR rose 0.6 from 4.5 in 2017 to 5.1 in 2023. In 2023, DART was 0.51× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 335129 · Ontario, CA ABOVE-IND · MID

Grade D · TCR 4.3 · 131% of ind

  • DART 2.2 DART
  • RANK #9/13
  • PHOTO Structura, Inc
  • BOOK 6y book
  • INJ 54 inj
  • SIZE ~814 FTE

Nearest TCR peer: Structura, Inc (0.0 TCR gap)

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

Mag Instrument, Inc. in the TCR neighbourhood

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

TCR

What this shows Mag Instrument, Inc. averages 4.3 TCR (131% of the Flashlights manufacturing BLS benchmark).

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

Mag Instrument, Inc. TCR series: 2017=4.5 · 2019=4.4 · 2020=2.2 · 2021=4.9 · 2022=4.9 · 2023=5.1 · BLS 3.3

Where Mag Instrument, Inc. falls in its industry

55 Flashlights manufacturing establishments

Safer than 24% of graded establishments in this industry, whose median TCR is 2.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #9 safest of 13 Flashlights manufacturing employers in California.

Mag Instrument, Inc. (814 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 62 employees and a TCR of 2.9 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 0246810 Average employees Total Case Rate Mag Instrument, Inc.
Mag Instrument, Inc. (814 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 62 employees and a TCR of 2.9

Mag Instrument, Inc. has more employees than the Flashlights manufacturing median and a higher injury rate than the industry's median TCR of 2.9. 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 5.1 2.2 7 0 0
2022 4.9 4.9 8 0 0
2021 4.9 4.9 10 0 0
2020 2.2 1.8 4 1 0
2019 4.4 2.7 13 0 0
2017 4.5 2.7 12 3 0

OSHA ITA peer cross-reference

Establishment peer ledger

335129 · CA · Ontario

55 Flashlights manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 599 employers in Ontario, 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 Structura, Inc 4.3 TCR
NAICS-TCR ETC (Mazomanie) 4.1 TCR
NAICS-TCR KW Industries Sugar Land 4.6 TCR
NAICS-TCR Muscatine 4.6 TCR
STATE-SIZE All Ag. Inc. 814 FTE
STATE-SIZE Clark Pacific - Woodland 814 FTE
STATE-SIZE SCVHHS, Behavorial Health Services (415) 814 FTE
STATE-SIZE California Department of Transportation Facility 183 815 FTE
CITY-NEAR Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) 10,997 FTE
CITY-NEAR CAONA - ONTARIO HUB 4,372 FTE
CITY-NEAR ONTARIO HUB (CAONA) 3,354 FTE
CITY-NEAR Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions 3,240 FTE
NAT-TCR Unit #2229 4.3 TCR
NAT-TCR Dura Mark LLC 4.3 TCR
NAT-TCR Fort Hamilton Commissary 4.3 TCR
NAT-TCR Western DuPage Special Recreation Association 4.3 TCR
NAT-SIZE Capacity LLC - New Jersey Campus 814 FTE
NAT-SIZE Nysuf - Suffolk 814 FTE
NAT-SIZE MCFA 814 FTE
NAT-SIZE NC_Charlotte_9300 Arrowpoint Blvd_54010002 814 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, 2021, 2020, 2019, 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.