238220 Plumbing, Heating, and Air-Conditioning Contractors · California

Hiller Los Angeles

Orange, CA · ~189 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.3
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Hiller Los Angeles runs at 116% of its industry's injury rate - about level with the typical 238220 Plumbing, Heating, and Air-Conditioning Contractors workplace, earning a grade C.

Hiller Los Angeles: 3.3 TCR = 116% of 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS 2.8 · 2y Form 300A (see methodology below)

Hiller Los Angeles safety composite

Hiller Los Angeles scores strongest on total case rate (tcr) (safer than 51% of same-industry peers) and weakest on dart rate (safer than 39%), 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).

D

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.26 per 100 workers

Safer than 51% of industry peers

DART rate
D 2 per 100 workers

Safer than 39% 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

−1.5

2023→2024

Hiller Los Angeles injury rate improved

Hiller Los Angeles's TCR fell 1.5 from 4.0 in 2023 to 2.5 in 2024. Peak filing year was 2023 at 4.0 TCR. In 2024, DART was 0.61× this establishment's average TCR (severity share of cases).

2023=4.0 · 2024=2.5

OSHA ITA Form 300A scorecard

Establishment book 238220 · Orange, CA ABOVE-IND · MID

Grade C · TCR 3.3 · 116% of ind

  • DART 2.0 DART
  • RANK #257/594
  • PHOTO The Smith & Oby Comp…
  • BOOK 2y book
  • INJ 12 inj
  • SIZE ~189 FTE

Nearest TCR peer: The Smith & Oby Company (0.0 TCR gap)

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

Hiller Los Angeles in the TCR neighbourhood

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

TCR

What this shows Hiller Los Angeles averages 3.3 TCR (116% of the 238220 Plumbing, Heating, and Air-Conditioning Contractors BLS benchmark).

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

Hiller Los Angeles TCR series: 2023=4 · 2024=2.5 · BLS 2.8

Where Hiller Los Angeles falls in its industry

5,793 238220 Plumbing, Heating, and establishments

Safer than 51% 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 #257 safest of 594 238220 Plumbing, Heating, and employers in California.

Hiller Los Angeles (189 employees, TCR 3.3) 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 Hiller Los Angeles
Hiller Los Angeles (189 employees, TCR 3.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Hiller Los Angeles has more employees than the 238220 Plumbing, Heating, and Air-Condit median and a lower 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 2.5 2.0 5 0 0
2023 4.0 2.9 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Orange

5,793 238220 Plumbing, Heating, and Air-Conditioning Contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 319 employers in Orange, 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 The Smith & Oby Company 3.3 TCR
NAICS-TCR Emergency Plumbing Service 3.3 TCR
NAICS-TCR Day Mechanical Systems, Inc. 3.3 TCR
NAICS-TCR FLVM, LLC D/B/A Bullman Mechanical 3.3 TCR
STATE-SIZE Fallbrook 189 FTE
STATE-SIZE Youngstown Grape Dist., Inc 189 FTE
STATE-SIZE Moonlight Companies Plant 4/MCSI 4 189 FTE
STATE-SIZE Sentinel Peak Resources 189 FTE
CITY-NEAR UC Irvine Health 6,191 FTE
CITY-NEAR CHOC - CHildren's Hospital of Orange County 4,962 FTE
CITY-NEAR CHOC Children's Orange 3,693 FTE
CITY-NEAR CHOC Children's Orange V2 3,652 FTE
NAT-TCR Xeriscape Water Systems, Inc. 3.3 TCR
NAT-TCR Arfor - Forrest City 3.3 TCR
NAT-TCR Giant Landover 0343 3.3 TCR
NAT-TCR Giant 251 3.3 TCR
NAT-SIZE Knox County Association for Remarkable Citizens - Baker Center 189 FTE
NAT-SIZE Kimball International - Salem 189 FTE
NAT-SIZE Belvidere 189 FTE
NAT-SIZE HARIBO of America Manufacturing LLC 189 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.
Data sourced from official public datasets. See our methodology for details.