Mechanical contractors · California

Limbach - Southern California

Name: Limbach - Southern California Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Seal Beach, CA · ~188 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.7
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Limbach - Southern California runs at 96% of its industry's injury rate - about level with the typical Mechanical contractors workplace, earning a grade C.

Limbach - Southern California: 2.7 TCR = 96% of Mechanical contractors BLS 2.8 · 5y Form 300A (see methodology below)

Limbach - Southern California safety composite

Limbach - Southern California scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.7 per 100 workers

Safer than 58% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% 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

Limbach - Southern California: 1.1 → 1.6 TCR

Peak year 2020 @ 7.7 TCR · DART/TCR 0× in 2021

Limbach - Southern California's TCR rose 0.5 from 1.1 in 2017 to 1.6 in 2021. Peak filing year was 2020 at 7.7 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Seal Beach, CA AT/BELOW-IND · MID

Grade C · TCR 2.7 · 96% of ind

DART 0.0 DART
RANK #207/594
PHOTO Home Office
BOOK 5y book
INJ 16 inj
SIZE ~188 FTE

Nearest TCR peer: Home Office (0.0 TCR gap)

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This site

2.7
Home Office

2.7
Oahu Office

2.7
Mid-States Mec

2.7
Unique Metal W

2.7

What this shows Limbach - Southern California averages 2.7 TCR (96% of the Mechanical contractors BLS benchmark).

Limbach - Southern California TCR series: 2017=1.1 · 2018=1.7 · 2019=1.4 · 2020=7.7 · 2021=1.6 · BLS 2.8

Where Limbach - Southern California falls in its industry

5,793 Mechanical contractors establishments

Safer than 58% of graded establishments in this industry, whose median TCR is 3.3.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #207 safest of 594 Mechanical contractors employers in California.

Limbach - Southern California (188 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Limbach - Southern California has more employees than the Mechanical contractors 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
2021	1.6	0.0	1	0
2020	7.7	7.2	6	9
2019	1.4	1.0	4	0
2018	1.7	1.3	4	0
2017	1.1	0.6	1	1

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Seal Beach

5,793 Mechanical contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 22 employers in Seal Beach, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Home Office	ALTAVISTA, VA	2.7 TCR
NAICS-TCR	Oahu Office	HONOLULU, HI	2.7 TCR
NAICS-TCR	Mid-States Mechanical Services, Inc.	MANKATO, MN	2.7 TCR
NAICS-TCR	Unique Metal Works, LLC	PAWTUCKET, RI	2.7 TCR
STATE-SIZE	Independent Ag Inc.	FRESNO	188 FTE
STATE-SIZE	Silva Farms LLC	GONZALES	188 FTE
STATE-SIZE	Agriculture	OROVILLE	188 FTE
STATE-SIZE	Sunrise Farm Labor, Inc.	HURON	188 FTE
CITY-NEAR	CA033	Seal Beach	2,665 FTE
CITY-NEAR	STAND 8	Seal Beach	237 FTE
CITY-NEAR	1328 - Seal Beach	Seal Beach	222 FTE
CITY-NEAR	Dendreon Pharmaceuticals LLC	Seal Beach	185 FTE
NAT-TCR	4765-MSYCI0745	Kenner, LA	2.7 TCR
NAT-TCR	Firestone 6-179	Kings Mountain, NC	2.7 TCR
NAT-TCR	Lufthansa Airline	Boston, MA	2.7 TCR
NAT-TCR	Creation Technologies Minnesota Inc	Saint Peter, MN	2.7 TCR
NAT-SIZE	Masonite Lawrenceville	Lawrenceville, GA	188 FTE
NAT-SIZE	1047 - Virginia Beach East	Virginia Beach, VA	188 FTE
NAT-SIZE	Columbus Terminal - DOT	Columbus, OH	188 FTE
NAT-SIZE	Tps, LLC	New Columbia, PA	188 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, 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.