Instruments for measuring electrical quantities manufacturing · California

Doble Engineering Company (Vanguard)

Name: Doble Engineering Company (Vanguard) Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Ontario, CA · ~23 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 0.0
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Doble Engineering Company (Vanguard) runs at 0% of its industry's injury rate - about level with the typical Instruments for measuring electrical quantities manufacturing workplace, earning a grade C.

Doble Engineering Company (Vanguard): 0.0 TCR = 0% of Instruments for measuring electrical quantities manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Doble Engineering Company (Vanguard) safety composite

Doble Engineering Company (Vanguard) scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

76/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0 per 100 workers

Safer than 100% of industry peers
DART rate: C 0 per 100 workers

Safer than 68% 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%).

Doble Engineering Company (Vanguard) held a steady TCR band

Doble Engineering Company (Vanguard)'s TCR held near 0.0 from 0.0 in 2020 to 0.0 in 2023. Peak filing year was 2020 at 0.0 TCR.

2020=0.0 · 2021=0.0 · 2022=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 334515 · Ontario, CA AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

DART 0.0 DART
RANK #0/35
PHOTO Tektronix, Inc (39)
BOOK 4y book
INJ 0 inj
SIZE ~23 FTE

Nearest TCR peer: Tektronix, Inc (39) (0.1 TCR gap)

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

Tempo Communic

0.2
Elster Solutio

0.2
Tektronix, Inc

0.1
Landis+Gyr Alp

0.1
This site

0

What this shows Doble Engineering Company (Vanguard) averages 0.0 TCR (0% of the Instruments for measuring electrical quantities manufacturing BLS benchmark).

Doble Engineering Company (Vanguard) TCR series: 2020=0 · 2021=0 · 2022=0 · 2023=0 · BLS 3.3

Where Doble Engineering Company (Vanguard) falls in its industry

125 Instruments for measuring elec establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 0.9.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 35 Instruments for measuring elec employers in California.

Doble Engineering Company (Vanguard) (23 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 86 employees and a TCR of 0.9

Doble Engineering Company (Vanguard) has fewer employees than the Instruments for measuring electrical qua median and a lower injury rate than the industry's median TCR of 0.9. 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	0.0	0.0	0	0	0
2022	0.0	0.0	0	0	0
2021	0.0	0.0	0	0	0
2020	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

334515 · CA · Ontario

125 Instruments for measuring electrical quantities 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	Place	Metric
NAICS-TCR	Tektronix, Inc (39)	BEAVERTON, OR	0.1 TCR
NAICS-TCR	Landis+Gyr Alpharetta GA	ALPHARETTA, GA	0.1 TCR
NAICS-TCR	Tempo Communications, Inc.	VISTA, CA	0.2 TCR
NAICS-TCR	Elster Solutions LLC (Honeywell)	RALEIGH, NC	0.2 TCR
STATE-SIZE	James Diedrich Farms	FIREBAUGH	23 FTE
STATE-SIZE	Tri-Fanucchi Farms,LLC	BAKERSFIELD	23 FTE
STATE-SIZE	KAN2 - 04	FRESNO	23 FTE
STATE-SIZE	Kyer Farms	LODI	23 FTE
CITY-NEAR	Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29)	Ontario	10,997 FTE
CITY-NEAR	CAONA - ONTARIO HUB	Ontario	4,372 FTE
CITY-NEAR	ONTARIO HUB (CAONA)	Ontario	3,354 FTE
CITY-NEAR	Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions	Ontario	3,240 FTE
NAT-TCR	Carbro Constructors Corp Main	Warren, NJ	0.0 TCR
NAT-TCR	Kinship Pointe Seward	Seward, NE	0.0 TCR
NAT-TCR	Chicago Corporate	Chicago, IL	0.0 TCR
NAT-TCR	Keller Warehouse	Defiance, OH	0.0 TCR
NAT-SIZE	Duso II, Inc.	Ellenville, NY	23 FTE
NAT-SIZE	Munising Community Center	Munising, MI	23 FTE
NAT-SIZE	Crescent Feed Co	Springfield, MO	23 FTE
NAT-SIZE	Community Access Center Marlton	Marlton, NJ	23 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. 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.