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

Alpha Mechanical, LLC

El Cajon, CA · ~110 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Alpha Mechanical, LLC runs at 66% of its industry's injury rate - safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade B.

Alpha Mechanical, LLC: 1.8 TCR = 66% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 4y Form 300A (see methodology below)

Alpha Mechanical, LLC safety composite

Alpha Mechanical, LLC scores strongest on total case rate (tcr) (safer than 72% of same-industry peers) and weakest on dart rate (safer than 48%), 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

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.84 per 100 workers

Safer than 72% of industry peers

DART rate
D 1.34 per 100 workers

Safer than 48% 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

−2.2

2021→2024

Alpha Mechanical, LLC injury rate improved

Alpha Mechanical, LLC's TCR fell 2.2 from 3.6 in 2021 to 1.3 in 2024. Peak filing year was 2021 at 3.6 TCR. In 2024, DART was 0.73× this establishment's average TCR (severity share of cases).

2021=3.6 · 2022=2.5 · 2023=0.0 · 2024=1.3

OSHA ITA Form 300A scorecard

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

Grade B · TCR 1.8 · 66% of ind

  • DART 1.3 DART
  • RANK #151/594
  • PHOTO Elgin
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~110 FTE

Nearest TCR peer: Elgin (0.0 TCR gap)

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

Alpha Mechanical, LLC in the TCR neighbourhood

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

TCR

What this shows Alpha Mechanical, LLC averages 1.8 TCR (66% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

Alpha Mechanical, LLC TCR series: 2021=3.6 · 2022=2.5 · 2023=0 · 2024=1.3 · BLS 2.8

Where Alpha Mechanical, LLC falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 72% 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 #151 safest of 594 Heating, ventilation and air-c employers in California.

Alpha Mechanical, LLC (110 employees, TCR 1.8) 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 Alpha Mechanical, LLC
Alpha Mechanical, LLC (110 employees, TCR 1.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Alpha Mechanical, LLC has more employees than the Heating, ventilation and air-conditionin 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 1.3 1.3 1 0 0
2023 0.0 0.0 0 0 0
2022 2.5 2.5 3 0 0
2021 3.6 3.6 1 3 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · El Cajon

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 236 employers in El Cajon, 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 Elgin 1.8 TCR
NAICS-TCR Rock Hill Mechanical Corporation 1.8 TCR
NAICS-TCR S.A. Comunale - Fremont 1.8 TCR
NAICS-TCR Impact Fire - Venice, FL 1.8 TCR
STATE-SIZE Queen Victoria Farms, LP 110 FTE
STATE-SIZE River Ridge Farms 110 FTE
STATE-SIZE GH Dairy - California 110 FTE
STATE-SIZE Braga Ranch, Inc. Soledad 110 FTE
CITY-NEAR SOUTHERN REGION : SDU 1,176 FTE
CITY-NEAR California Department of Transportation Facility 370 1,148 FTE
CITY-NEAR GKN Aerospace Chem-tronics 1,059 FTE
CITY-NEAR GKN Aerospace Chem Tronics 938 FTE
NAT-TCR Eagle Eye Truck Lines 1.8 TCR
NAT-TCR Entegris 1.8 TCR
NAT-TCR Woodbridge Enterprise 1.8 TCR
NAT-TCR Las Vegas 10081 1.8 TCR
NAT-SIZE CHUCKATUCK 110 FTE
NAT-SIZE ABF Freight 075 110 FTE
NAT-SIZE Ellab Inc. 110 FTE
NAT-SIZE Bernard Welding 110 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, 2022, 2021. 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.