Control equipment, electric, manufacturing · Wisconsin

Hydro Electronic Devices, Inc.

Name: Hydro Electronic Devices, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Hartford, WI · ~72 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Hydro Electronic Devices, Inc. runs at 78% of its industry's injury rate - safer than the typical Control equipment, electric, manufacturing workplace, earning a grade B.

Hydro Electronic Devices, Inc.: 2.6 TCR = 78% of Control equipment, electric, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Hydro Electronic Devices, Inc. safety composite

Hydro Electronic Devices, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 23%), 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).

31/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 2.56 per 100 workers

Safer than 25% of industry peers
DART rate: F 1.42 per 100 workers

Safer than 23% 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%).

Hydro Electronic Devices, Inc. held a steady TCR band

Hydro Electronic Devices, Inc.'s TCR held near 0.3 from 3.1 in 2021 to 2.8 in 2024. Peak filing year was 2021 at 3.1 TCR. In 2024, DART was 0.55× this establishment's average TCR (severity share of cases).

2021=3.1 · 2022=1.6 · 2023=2.8 · 2024=2.8

OSHA ITA Form 300A scorecard

Establishment book 335314 · Hartford, WI AT/BELOW-IND · SMALL

Grade B · TCR 2.6 · 78% of ind

DART 1.4 DART
RANK #11/13
PHOTO SSI Technologies Pal…
BOOK 4y book
INJ 5 inj
SIZE ~72 FTE

Nearest TCR peer: SSI Technologies Palmer (0.0 TCR gap)

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

This site

2.6
SSI Technologi

2.6
2967-MI72

2.6
355_816

2.5
AUTOMATED CONT

2.5

What this shows Hydro Electronic Devices, Inc. averages 2.6 TCR (78% of the Control equipment, electric, manufacturing BLS benchmark).

Hydro Electronic Devices, Inc. TCR series: 2021=3.1 · 2022=1.6 · 2023=2.8 · 2024=2.8 · BLS 3.3

Where Hydro Electronic Devices, Inc. falls in its industry

156 Control equipment, electric, m establishments

Safer than 25% of graded establishments in this industry, whose median TCR is 1.3.

Grade B

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 13 Control equipment, electric, m employers in Wisconsin.

Hydro Electronic Devices, Inc. (72 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 99 employees and a TCR of 1.3

Hydro Electronic Devices, Inc. has fewer employees than the Control equipment, electric, manufacturi median and a higher injury rate than the industry's median TCR of 1.3. 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
2024	2.8	1.4	2	0
2023	2.8	0.0	0	2
2022	1.6	0.0	1	0
2021	3.1	0.0	2	0

OSHA ITA peer cross-reference

Establishment peer ledger

335314 · WI · Hartford

156 Control equipment, electric, manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 48 employers in Hartford, WI · 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	SSI Technologies Palmer	JANESVILLE, WI	2.6 TCR
NAICS-TCR	355_816	IRWIN, PA	2.5 TCR
NAICS-TCR	2967-MI72	PECK, MI	2.6 TCR
NAICS-TCR	AUTOMATED CONTROL SYSTEMS, INC.	FARMINGTON HILLS, MI	2.5 TCR
STATE-SIZE	Johnson's Nursery LLC	MENOMONEE FALLS	72 FTE
STATE-SIZE	MCGANN CONSTRUCTION INC	MADISON	72 FTE
STATE-SIZE	Valmet, Inc	NEENAH	72 FTE
STATE-SIZE	Marawood Construction Services, Inc	MARSHFIELD	72 FTE
CITY-NEAR	HARTFORD WI	Hartford	743 FTE
CITY-NEAR	SIGNICAST LLC	Hartford	738 FTE
CITY-NEAR	Signicast - Hartford Manufacturing Complex	Hartford	736 FTE
CITY-NEAR	Broan-NuTone LLC	Hartford	723 FTE
NAT-TCR	Penn Aluminum International LLC - Murphysboro, Il	Murphysboro, IL	2.6 TCR
NAT-TCR	Detroit International Holding	Detroit, MI	2.6 TCR
NAT-TCR	Kona Sales Marketing	Kailua Kona, HI	2.6 TCR
NAT-TCR	Royal Garden	Honolulu, HI	2.6 TCR
NAT-SIZE	LAX Branch	Torrence, CA	72 FTE
NAT-SIZE	Issc Inc DBA Seaport Steel	Seattle, WA	72 FTE
NAT-SIZE	Paramount Senior Living at Lancaster County	Maytown, PA	72 FTE
NAT-SIZE	Hatfield, MA - 95 N Hatfield Road	Hatfield, MA	72 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. 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.