Boiler, heating, installation · California

Manley's Boiler LLC

Buena Park, CA · ~32 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Manley's Boiler LLC runs at 50% of its industry's injury rate - far safer than the typical Boiler, heating, installation workplace, earning a grade A.

Manley's Boiler LLC: 1.4 TCR = 50% of Boiler, heating, installation BLS 2.8 · 4y Form 300A (see methodology below)

Manley's Boiler LLC safety composite

Manley's Boiler LLC scores strongest on total case rate (tcr) (safer than 80% of same-industry peers) and weakest on dart rate (safer than 31%), 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

56/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.39 per 100 workers

Safer than 80% of industry peers

DART rate
F 2.77 per 100 workers

Safer than 31% 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

Manley's Boiler LLC: 0.0 → 2.8 TCR

Peak year 2019 @ 2.8 TCR · DART/TCR 1.99× in 2020

Manley's Boiler LLC's TCR rose 2.8 from 0.0 in 2017 to 2.8 in 2020. Peak filing year was 2019 at 2.8 TCR. In 2020, DART was 1.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Buena Park, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.4 · 50% of ind

  • DART 2.8 DART
  • RANK #103/594
  • PHOTO Nelson Stark
  • BOOK 4y book
  • INJ 2 inj
  • SIZE ~32 FTE

Nearest TCR peer: Nelson Stark (0.0 TCR gap)

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

Manley's Boiler LLC in the TCR neighbourhood

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

TCR

What this shows Manley's Boiler LLC averages 1.4 TCR (50% of the Boiler, heating, installation BLS benchmark).

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

Manley's Boiler LLC TCR series: 2017=0 · 2018=0 · 2019=2.8 · 2020=2.8 · BLS 2.8

Where Manley's Boiler LLC falls in its industry

5,793 Boiler, heating, installation establishments

Safer than 80% 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 #103 safest of 594 Boiler, heating, installation employers in California.

Manley's Boiler LLC (32 employees, TCR 1.4) 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 Manley's Boiler LLC
Manley's Boiler LLC (32 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Manley's Boiler LLC has fewer employees than the Boiler, heating, installation 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
2020 2.8 2.8 1 0 0
2019 2.8 2.8 1 0 0
2018 0.0 0.0 0 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Buena Park

5,793 Boiler, heating, installation employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 112 employers in Buena Park, 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 Nelson Stark 1.4 TCR
NAICS-TCR General Sheet Metal Works Inc 1.4 TCR
NAICS-TCR William A. Harrison, Inc. 1.4 TCR
NAICS-TCR Pacific Plumbing & Sewer Service, Inc. 1.4 TCR
STATE-SIZE Schreiner Farms 32 FTE
STATE-SIZE FIVE POINTS T.I.C. 32 FTE
STATE-SIZE OFFICE 32 FTE
STATE-SIZE Brocchini Farms Inc. 32 FTE
CITY-NEAR Amazon Transportation Services : LAX5 1,220 FTE
CITY-NEAR Ono-041 910 FTE
CITY-NEAR Amazon.com Services LLC - LAX5 898 FTE
CITY-NEAR BUENA PARK CA 831 FTE
NAT-TCR Roses 412 1.4 TCR
NAT-TCR BCI Buckeye Division 1.4 TCR
NAT-TCR Ruelco, Inc. 1.4 TCR
NAT-TCR Madison 076 1.4 TCR
NAT-SIZE Gardner-Gibson Seaford 32 FTE
NAT-SIZE General Beer-Northwest, Inc.-Barron 32 FTE
NAT-SIZE Fs Glenoaks Hosp 32 FTE
NAT-SIZE LCS:LC028 - LC028-Dunn, NC 32 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: 2020, 2019, 2018, 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.