HVAC (heating, ventilation and air-conditioning) contractors · California

Mesa Energy Systems, Inc.

Name: Mesa Energy Systems, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Irvine, CA · ~688 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.7
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Mesa Energy Systems, Inc. runs at 25% of its industry's injury rate - far safer than the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade A.

Mesa Energy Systems, Inc.: 0.7 TCR = 25% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 2y Form 300A (see methodology below)

Mesa Energy Systems, Inc. safety composite

Mesa Energy Systems, Inc. scores strongest on total case rate (tcr) (safer than 93% 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).

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0.71 per 100 workers

Safer than 93% of industry peers
DART rate: C 0.52 per 100 workers

Safer than 58% 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%).

Mesa Energy Systems, Inc. held a steady TCR band

Mesa Energy Systems, Inc.'s TCR held near 0.1 from 0.8 in 2017 to 0.7 in 2018. Peak filing year was 2017 at 0.8 TCR. In 2018, DART was 0.73× this establishment's average TCR (severity share of cases).

2017=0.8 · 2018=0.7

OSHA ITA Form 300A scorecard

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

Grade A · TCR 0.7 · 25% of ind

DART 0.5 DART
RANK #30/594
PHOTO United Group Services
BOOK 2y book
INJ 10 inj
SIZE ~688 FTE

Nearest TCR peer: United Group Services (0.0 TCR gap)

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0.7
United Group S

0.7
Murtco, Inc.

0.7
Sheldon Mechan

0.7
Southland Indu

0.7

What this shows Mesa Energy Systems, Inc. averages 0.7 TCR (25% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).

Mesa Energy Systems, Inc. TCR series: 2017=0.8 · 2018=0.7 · BLS 2.8

Where Mesa Energy Systems, Inc. falls in its industry

5,793 HVAC (heating, ventilation and establishments

Safer than 93% of graded establishments in this industry, whose median TCR is 3.3.

Grade A

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #30 safest of 594 HVAC (heating, ventilation and employers in California.

Mesa Energy Systems, Inc. (688 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Mesa Energy Systems, Inc. has more employees than the HVAC (heating, ventilation and air-condi 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
2018	0.7	0.5	5	0	0
2017	0.8	0.6	5	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Irvine

5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 622 employers in Irvine, 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	United Group Services	CINCINNATI, OH	0.7 TCR
NAICS-TCR	Murtco, Inc.	PADUCAH, KY	0.7 TCR
NAICS-TCR	Sheldon Mechanical Corporation	SANTA CLARITA, CA, USA, CA	0.7 TCR
NAICS-TCR	Southland Industries	GARDEN GROVE, CA	0.7 TCR
STATE-SIZE	ELSGCAHU	EL SEGUNDO	688 FTE
STATE-SIZE	BERKELEY	BERKELEY	688 FTE
STATE-SIZE	00019505 HUMAN SERVICES DEPARTMENT	SANTA CRUZ	688 FTE
STATE-SIZE	Santa Clara	SANTA CLARA	687 FTE
CITY-NEAR	UC Irvine	Irvine	16,029 FTE
CITY-NEAR	CA-10	Irvine	4,926 FTE
CITY-NEAR	Edwards Lifesciences	Irvine	4,189 FTE
CITY-NEAR	Johnson and Johnson MDD CSS Irvine	Irvine	3,775 FTE
NAT-TCR	Commercial Electronics	Bridgeton, MO	0.7 TCR
NAT-TCR	Owen Ames Kimball Company / O-A-K Florida	Fort Myers, FL	0.7 TCR
NAT-TCR	Republic National Distributing Company 15	Lafayette, LA	0.7 TCR
NAT-TCR	Richmond Business and Innovation Center	Richmond, VA	0.7 TCR
NAT-SIZE	Galesburg CUSD #205	Galesburg, IL	688 FTE
NAT-SIZE	Lake Huron Medical Center	Port Huron, MI	688 FTE
NAT-SIZE	CNH Industrial - Grand Island	Grand Island, NE	688 FTE
NAT-SIZE	Atlanta # 9223	Forest Park, GA	688 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: 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.