Plumbing and heating contractors · California

Thorsen's Inc.

Turlock, CA · ~35 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Thorsen's Inc. runs at 296% of its industry's injury rate - far more dangerous than the typical Plumbing and heating contractors workplace, earning a grade F.

Thorsen's Inc.: 8.3 TCR = 296% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

Thorsen's Inc. safety composite

Thorsen's Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 15%), 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

25/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.29 per 100 workers

Safer than 15% of industry peers

DART rate
F 4.81 per 100 workers

Safer than 17% 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%).

TCR Δ

−7.0

2017→2021

Thorsen's Inc. injury rate improved

Thorsen's Inc.'s TCR fell 7.0 from 11.8 in 2017 to 4.8 in 2021. Peak filing year was 2017 at 11.8 TCR. In 2021, DART was 0.58× this establishment's average TCR (severity share of cases).

2017=11.8 · 2021=4.8

OSHA ITA Form 300A scorecard

Establishment book 238220 · Turlock, CA ABOVE-IND · SMALL

Grade F · TCR 8.3 · 296% of ind

  • DART 4.8 DART
  • RANK #465/594
  • PHOTO Hawk Plumbing, Heati…
  • BOOK 2y book
  • INJ 5 inj
  • SIZE ~35 FTE

Nearest TCR peer: Hawk Plumbing, Heating & Air Conditioning Inc. (0.0 TCR gap)

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

Thorsen's Inc. in the TCR neighbourhood

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

TCR

What this shows Thorsen's Inc. averages 8.3 TCR (296% of the Plumbing and heating contractors BLS benchmark).

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

Thorsen's Inc. TCR series: 2017=11.8 · 2021=4.8 · BLS 2.8

Where Thorsen's Inc. falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 15% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #465 safest of 594 Plumbing and heating contracto employers in California.

Thorsen's Inc. (35 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate Thorsen's Inc.
Thorsen's Inc. (35 employees, TCR 8.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Thorsen's Inc. has fewer employees than the Plumbing and heating contractors median and a higher injury rate than the industry's median TCR of 3.3. 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 Fatalities
2021 4.8 4.8 2 0 0
2017 11.8 11.8 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Turlock

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 171 employers in Turlock, 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 Hawk Plumbing, Heating & Air Conditioning Inc. 8.3 TCR
NAICS-TCR dba Gross Heating Inc 8.3 TCR
NAICS-TCR Air Mechancial & Service Corp Casselberry 8.3 TCR
NAICS-TCR S.A. Comunale - Cleveland 8.3 TCR
STATE-SIZE CONSTRUCTION FABRICATION/CARPENTRY/PAINTING/ELECTRIC/PIPE 35 FTE
STATE-SIZE Meek Ranches LLC 35 FTE
STATE-SIZE Dresick Farms, Inc. - Farm 35 FTE
STATE-SIZE Wolfsen Inc 35 FTE
CITY-NEAR 4701-027 1,079 FTE
CITY-NEAR Ono-209 911 FTE
CITY-NEAR Amazon.com Services LLC - MCE1 897 FTE
CITY-NEAR California Department of Transportation Facility 349 779 FTE
NAT-TCR River Valley Cooperative-Galva 8.3 TCR
NAT-TCR CSS Farms - Holbrook 8.3 TCR
NAT-TCR Air Mechancial & Service Corp Casselberry 8.3 TCR
NAT-TCR S.A. Comunale - Cleveland 8.3 TCR
NAT-SIZE The Cove at Marsh Landing 35 FTE
NAT-SIZE U-C Coatings LLC 35 FTE
NAT-SIZE Miller-Leaman HQ 35 FTE
NAT-SIZE 4769-673-Pottery Barn 35 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: 2021, 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.