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

Athena Engineering, Inc.

San Dimas, CA · ~32 workers · 6 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Athena Engineering, Inc. runs at 43% of its industry's injury rate - far safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade A.

Athena Engineering, Inc.: 1.2 TCR = 43% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 6y Form 300A (see methodology below)

Athena Engineering, Inc. safety composite

Athena Engineering, Inc. scores strongest on total case rate (tcr) (safer than 83% 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).

C

74/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.19 per 100 workers

Safer than 83% 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%).

Athena Engineering, Inc. held a steady TCR band

Athena Engineering, Inc.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2023. Peak filing year was 2020 at 3.7 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2019=0.0 · 2020=3.7 · 2021=3.5 · 2022=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · San Dimas, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.2 · 43% of ind

  • DART 0.0 DART
  • RANK #79/594
  • PHOTO W D Manor Mechanical…
  • BOOK 6y book
  • INJ 2 inj
  • SIZE ~32 FTE

Nearest TCR peer: W D Manor Mechanical Contractors Inc (0.0 TCR gap)

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

Athena Engineering, Inc. in the TCR neighbourhood

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

TCR

What this shows Athena Engineering, Inc. averages 1.2 TCR (43% 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

Athena Engineering, Inc. TCR series: 2017=0 · 2019=0 · 2020=3.7 · 2021=3.5 · 2022=0 · 2023=0 · BLS 2.8

Where Athena Engineering, Inc. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 83% 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 #79 safest of 594 Heating, ventilation and air-c employers in California.

Athena Engineering, Inc. (32 employees, TCR 1.2) 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 Athena Engineering, Inc.
Athena Engineering, Inc. (32 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Athena Engineering, Inc. has fewer 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
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 3.5 3.5 1 0 0
2020 3.7 3.7 1 0 0
2019 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 · San Dimas

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 · 73 employers in San Dimas, 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 W D Manor Mechanical Contractors Inc 1.2 TCR
NAICS-TCR Poole & Kent Main Office 1.2 TCR
NAICS-TCR Midwest Mechanical Group 1.2 TCR
NAICS-TCR CFP NC HICKORY 1.2 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 ROCKWELL DRYWALL, INC. 1,302 FTE
CITY-NEAR LOCATION 15008 796 FTE
CITY-NEAR Gilead Sciences, Inc. 686 FTE
CITY-NEAR Raging Waters Los Angeles 473 FTE
NAT-TCR R.R. Brink Locking Systems, Inc 1.2 TCR
NAT-TCR R.H. White Construction 1.2 TCR
NAT-TCR Bothar Construction LLC 1.2 TCR
NAT-TCR Hyundai Motor America - Eastern Region 1.2 TCR
NAT-SIZE Penta Corporation 32 FTE
NAT-SIZE Custom Plumbing 32 FTE
NAT-SIZE Reno Bros., Inc. 32 FTE
NAT-SIZE GATX Plantersville 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: 2023, 2022, 2021, 2020, 2019, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.