Analyzers for testing electrical characteristics manufacturing · Massachusetts

Doble Engineering Company

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

Watertown, MA · ~286 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Doble Engineering Company runs at 17% of its industry's injury rate - far safer than the typical Analyzers for testing electrical characteristics manufacturing workplace, earning a grade A.

Doble Engineering Company: 0.6 TCR = 17% of Analyzers for testing electrical characteristics manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Doble Engineering Company safety composite

Doble Engineering Company scores strongest on total case rate (tcr) (safer than 72% of same-industry peers) and weakest on dart rate (safer than 30%), 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).

52/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 0.55 per 100 workers

Safer than 72% of industry peers
DART rate: F 0.73 per 100 workers

Safer than 30% 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

Doble Engineering Company: 0.0 → 1.1 TCR

Peak year 2018 @ 1.1 TCR · DART/TCR 1.33× in 2018

Doble Engineering Company's TCR rose 1.1 from 0.0 in 2017 to 1.1 in 2018. In 2018, DART was 1.33× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 334515 · Watertown, MA AT/BELOW-IND · MID

Grade A · TCR 0.6 · 17% of ind

DART 0.7 DART
RANK #2/5
PHOTO Qualitau Inc.
BOOK 2y book
INJ 3 inj
SIZE ~286 FTE

Nearest TCR peer: Qualitau Inc. (0.0 TCR gap)

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

This site

0.6
Qualitau Inc.

0.6
QualiTau, Inc,

0.6
Ohio Semitroni

0.6
Hillside

0.5

What this shows Doble Engineering Company averages 0.6 TCR (17% of the Analyzers for testing electrical characteristics manufacturing BLS benchmark).

Doble Engineering Company TCR series: 2017=0 · 2018=1.1 · BLS 3.3

Where Doble Engineering Company falls in its industry

125 Analyzers for testing electric establishments

Safer than 72% of graded establishments in this industry, whose median TCR is 0.9.

Grade A

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 5 Analyzers for testing electric employers in Massachusetts.

Doble Engineering Company (286 employees, TCR 0.6) among 29 same-industry peers, split at the industry median of 86 employees and a TCR of 0.9

Doble Engineering Company has more employees than the Analyzers for testing electrical charact 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
2018	1.1	0.7	3	0	0
2017	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

334515 · MA · Watertown

125 Analyzers for testing electrical characteristics manufacturing employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 43 employers in Watertown, MA · 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	Qualitau Inc.	SANTA CLARA, CA	0.6 TCR
NAICS-TCR	QualiTau, Inc,	MOUNTAIN VIEW, CA	0.6 TCR
NAICS-TCR	Hillside	DUNCAN, SC	0.5 TCR
NAICS-TCR	Ohio Semitronics, Inc.	HILLIARD, OH	0.6 TCR
STATE-SIZE	Harry Grodsky & Co., Inc	SPRINGFIELD	286 FTE
STATE-SIZE	Primetals Technologies Sutton	SUTTON	286 FTE
STATE-SIZE	ARRIS 10	LOWELL	286 FTE
STATE-SIZE	Burke Distributing Co. LLC	RANDOLPH	286 FTE
CITY-NEAR	J.C. Cannistraro LLC	Watertown	773 FTE
CITY-NEAR	WATERTOWN (MAWAT)	Watertown	531 FTE
CITY-NEAR	MAWAT - WATERTOWN	Watertown	497 FTE
CITY-NEAR	1442 - Watertown	Watertown	314 FTE
NAT-TCR	CM006 East Side Access	Evansville, IN	0.6 TCR
NAT-TCR	6 Corporate Center Dr	Melville, NY	0.6 TCR
NAT-TCR	Pasadena	Pasadenad, TX	0.6 TCR
NAT-TCR	Kemira Chemicals, Inc. Columbus Plant	Columbus, GA	0.6 TCR
NAT-SIZE	W&W Steel Erectors, LLC.	New York, NY	286 FTE
NAT-SIZE	Windsor Park Manor	Carol Stream, IL	286 FTE
NAT-SIZE	Senior Housing Companies	Cedar Rapids, IA	286 FTE
NAT-SIZE	Austin (HR)	Austin, TX	286 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: 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.