Plumbing and heating contractors · California

Proteus Inc. Delano SC

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

D
Poor Safety Record
3.8
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Proteus Inc. Delano SC runs at 136% of its industry's injury rate - more dangerous than the typical Plumbing and heating contractors workplace, earning a grade D.

Proteus Inc. Delano SC: 3.8 TCR = 136% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

Proteus Inc. Delano SC safety composite

Proteus Inc. Delano SC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 8%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.81 per 100 workers

Safer than 45% of industry peers

DART rate
F 7.61 per 100 workers

Safer than 8% 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%).

Rising injury rate

Proteus Inc. Delano SC: 0.0 → 7.6 TCR

Peak year 2024 @ 7.6 TCR · DART/TCR 2× in 2024

Proteus Inc. Delano SC's TCR rose 7.6 from 0.0 in 2023 to 7.6 in 2024. In 2024, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade D · TCR 3.8 · 136% of ind

  • DART 7.6 DART
  • RANK #294/594
  • PHOTO Coastal Mechanical
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~35 FTE

Nearest TCR peer: Coastal Mechanical (0.0 TCR gap)

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

Proteus Inc. Delano SC in the TCR neighbourhood

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

TCR

What this shows Proteus Inc. Delano SC averages 3.8 TCR (136% 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

Proteus Inc. Delano SC TCR series: 2023=0 · 2024=7.6 · BLS 2.8

Where Proteus Inc. Delano SC falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 45% 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 #294 safest of 594 Plumbing and heating contracto employers in California.

Proteus Inc. Delano SC (35 employees, TCR 3.8) 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 Proteus Inc. Delano SC
Proteus Inc. Delano SC (35 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Proteus Inc. Delano SC 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
2024 7.6 7.6 1 0 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Delano

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 123 employers in Delano, 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 Coastal Mechanical 3.8 TCR
NAICS-TCR Sullivan Mechanical Contractors, Inc. 3.8 TCR
NAICS-TCR Systems Plant Services MIS03 3.8 TCR
NAICS-TCR Kuhlman Incorporated 3.8 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 HMN Incorporated 1,942 FTE
CITY-NEAR Rachma Contracting, Inc. 1,600 FTE
CITY-NEAR Kern Valley State Prison 1,523 FTE
CITY-NEAR Sunview Vineyards of California Inc 1,489 FTE
NAT-TCR STR0683 3.8 TCR
NAT-TCR Frontier Natural Gas 3.8 TCR
NAT-TCR Waters of Wabash East 3.8 TCR
NAT-TCR Daddy Ray's 3.8 TCR
NAT-SIZE STR0014 35 FTE
NAT-SIZE STR0091 35 FTE
NAT-SIZE STR0233 35 FTE
NAT-SIZE STR0320 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: 2024, 2023. 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.