Harness assemblies for electronic use manufacturing · California

DSM&T Co. Inc.

Fontana, CA · ~114 workers · 5 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

DSM&T Co. Inc. runs at 130% of its industry's injury rate - more dangerous than the typical Harness assemblies for electronic use manufacturing workplace, earning a grade D.

DSM&T Co. Inc.: 4.3 TCR = 130% of Harness assemblies for electronic use manufacturing BLS 3.3 · 5y Form 300A (see methodology below)

DSM&T Co. Inc. safety composite

DSM&T Co. Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 16%), 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

27/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.29 per 100 workers

Safer than 16% of industry peers

DART rate
F 2.32 per 100 workers

Safer than 22% 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%).

TCR Δ

−0.8

2018→2024

DSM&T Co. Inc. injury rate improved

DSM&T Co. Inc.'s TCR fell 0.8 from 5.4 in 2018 to 4.6 in 2024. Peak filing year was 2018 at 5.4 TCR. In 2024, DART was 0.54× this establishment's average TCR (severity share of cases).

2018=5.4 · 2021=1.8 · 2022=5.3 · 2023=4.3 · 2024=4.6

OSHA ITA Form 300A scorecard

Establishment book 334419 · Fontana, CA ABOVE-IND · MID

Grade D · TCR 4.3 · 130% of ind

  • DART 2.3 DART
  • RANK #40/48
  • PHOTO DIT-MCO International
  • BOOK 5y book
  • INJ 22 inj
  • SIZE ~114 FTE

Nearest TCR peer: DIT-MCO International (0.1 TCR gap)

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

DSM&T Co. Inc. in the TCR neighbourhood

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

TCR

What this shows DSM&T Co. Inc. averages 4.3 TCR (130% of the Harness assemblies for electronic use manufacturing BLS benchmark).

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

DSM&T Co. Inc. TCR series: 2018=5.4 · 2021=1.8 · 2022=5.3 · 2023=4.3 · 2024=4.6 · BLS 3.3

Where DSM&T Co. Inc. falls in its industry

334 Harness assemblies for electro establishments

Safer than 16% of graded establishments in this industry, whose median TCR is 1.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #40 safest of 48 Harness assemblies for electro employers in California.

DSM&T Co. Inc. (114 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 108 employees and a TCR of 1.8 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 02468 Average employees Total Case Rate DSM&T Co. Inc.
DSM&T Co. Inc. (114 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 108 employees and a TCR of 1.8

DSM&T Co. Inc. has more employees than the Harness assemblies for electronic use ma median and a higher injury rate than the industry's median TCR of 1.8. 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 4.6 2.3 4 0 0
2023 4.3 2.1 4 0 0
2022 5.3 0.0 6 0 0
2021 1.8 0.0 1 1 0
2018 5.4 5.4 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334419 · CA · Fontana

334 Harness assemblies for electronic use manufacturing 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 DIT-MCO International 4.3 TCR
NAICS-TCR Slingshot Assembly, LLC 4.2 TCR
NAICS-TCR So-Cal Value Added LLC 4.1 TCR
NAICS-TCR Heritage Wire Harness, LLC 4.5 TCR
STATE-SIZE Wonderful Orchards-Belridge 114 FTE
STATE-SIZE Olivarez Honey Bees 114 FTE
STATE-SIZE SIERRA AG SERVICES, INC 114 FTE
STATE-SIZE PURO VIDA BERRIES 114 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 Community Bridges 4.3 TCR
NAT-TCR Harold Beck & Sons, Inc. 4.3 TCR
NAT-TCR GKN Sinter Metals 4.3 TCR
NAT-TCR STR0196 4.3 TCR
NAT-SIZE 129 Ofallon 114 FTE
NAT-SIZE 717 Montvale 114 FTE
NAT-SIZE 731 Festus 114 FTE
NAT-SIZE Tropichem Research Labs LLC 114 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, 2022, 2021, 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.