Boilers, heating, manufacturing · Wisconsin

Hydro-Thermal Corp

Waukesha, WI · ~88 workers · 7 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Hydro-Thermal Corp runs at 55% of its industry's injury rate - safer than the typical Boilers, heating, manufacturing workplace, earning a grade B.

Hydro-Thermal Corp: 1.8 TCR = 55% of Boilers, heating, manufacturing BLS 3.3 · 7y Form 300A (see methodology below)

Hydro-Thermal Corp safety composite

Hydro-Thermal Corp scores strongest on dart rate (safer than 81% 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).

C

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.82 per 100 workers

Safer than 71% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% 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

Hydro-Thermal Corp: 1.1 → 3.6 TCR

Peak year 2021 @ 4.0 TCR · DART/TCR 0× in 2023

Hydro-Thermal Corp's TCR rose 2.5 from 1.1 in 2017 to 3.6 in 2023. Peak filing year was 2021 at 4.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333414 · Waukesha, WI AT/BELOW-IND · SMALL

Grade B · TCR 1.8 · 55% of ind

  • DART 0.0 DART
  • RANK #2/4
  • PHOTO Dalton Electric Htg …
  • BOOK 7y book
  • INJ 10 inj
  • SIZE ~88 FTE

Nearest TCR peer: Dalton Electric Htg Co., Inc. (0.0 TCR gap)

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

Hydro-Thermal Corp in the TCR neighbourhood

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

TCR

What this shows Hydro-Thermal Corp averages 1.8 TCR (55% of the Boilers, heating, manufacturing BLS benchmark).

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

Hydro-Thermal Corp TCR series: 2017=1.1 · 2018=0 · 2019=0 · 2020=1.1 · 2021=4 · 2022=2.9 · 2023=3.6 · BLS 3.3

Where Hydro-Thermal Corp falls in its industry

117 Boilers, heating, manufacturin establishments

Safer than 71% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 4 Boilers, heating, manufacturin employers in Wisconsin.

Hydro-Thermal Corp (88 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 3.0 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 0200400600800 0510152025 Average employees Total Case Rate Hydro-Thermal Corp
Hydro-Thermal Corp (88 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 3.0

Hydro-Thermal Corp has fewer employees than the Boilers, heating, manufacturing median and a lower injury rate than the industry's median TCR of 3.0. 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 3.6 0.0 3 0 0
2022 2.9 1.4 2 0 0
2021 4.0 0.0 3 0 0
2020 1.1 1.1 1 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2017 1.1 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333414 · WI · Waukesha

117 Boilers, heating, manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 285 employers in Waukesha, WI · 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 Dalton Electric Htg Co., Inc. 1.8 TCR
NAICS-TCR Heating and Hot Water Solutions LLC 1.8 TCR
NAICS-TCR Stelter & Brinck 1.9 TCR
NAICS-TCR Enerco Group, Inc. 1.8 TCR
STATE-SIZE Eden Stone Co. 88 FTE
STATE-SIZE Construction 88 FTE
STATE-SIZE Indianhead Pipeline Services, LLC 88 FTE
STATE-SIZE Affiliated Construction Services, Inc. 88 FTE
CITY-NEAR Waukesha Memorial Hospital 2,210 FTE
CITY-NEAR Generac-Waukesha 1,387 FTE
CITY-NEAR GEHC : Waukesha WI (WSO), HCS 1,384 FTE
CITY-NEAR Generac Power Systems, Inc. 1,090 FTE
NAT-TCR Charlotte Marriott City Center 1.8 TCR
NAT-TCR Revasum 1.8 TCR
NAT-TCR Plant PK/5S 1.8 TCR
NAT-TCR SquadLocker 1.8 TCR
NAT-SIZE Crestpark Forrest City, LLC 88 FTE
NAT-SIZE C & L Electric Cooperative Corporation 88 FTE
NAT-SIZE Duratech Industries International Inc 88 FTE
NAT-SIZE Craftsmen Utility Trailer 88 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, 2018, 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.