Air system balancing and testing · California

OWR Mechanical Inc DBA Monarch Mechanical

Vacaville, CA · ~75 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

OWR Mechanical Inc DBA Monarch Mechanical runs at 70% of its industry's injury rate - safer than the typical Air system balancing and testing workplace, earning a grade B.

OWR Mechanical Inc DBA Monarch Mechanical: 2.0 TCR = 70% of Air system balancing and testing BLS 2.8 · 3y Form 300A (see methodology below)

OWR Mechanical Inc DBA Monarch Mechanical safety composite

OWR Mechanical Inc DBA Monarch Mechanical 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).

C

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.97 per 100 workers

Safer than 69% 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%).

TCR Δ

−5.9

2021→2023

OWR Mechanical Inc DBA Monarch Mechanical injury rate improved

OWR Mechanical Inc DBA Monarch Mechanical's TCR fell 5.9 from 5.9 in 2021 to 0.0 in 2023. Peak filing year was 2021 at 5.9 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2021=5.9 · 2022=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

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

Grade B · TCR 2.0 · 70% of ind

  • DART 0.0 DART
  • RANK #157/594
  • PHOTO Palmetto Automatic S…
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~75 FTE

Nearest TCR peer: Palmetto Automatic Sprinkler Co., Inc. (0.0 TCR gap)

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

OWR Mechanical Inc DBA Monarch Mechanical in the TCR neighbourhood

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

TCR

What this shows OWR Mechanical Inc DBA Monarch Mechanical averages 2.0 TCR (70% of the Air system balancing and testing BLS benchmark).

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

OWR Mechanical Inc DBA Monarch Mechanical TCR series: 2021=5.9 · 2022=0 · 2023=0 · BLS 2.8

Where OWR Mechanical Inc DBA Monarch Mechanical falls in its industry

5,793 Air system balancing and testi establishments

Safer than 69% 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 #157 safest of 594 Air system balancing and testi employers in California.

OWR Mechanical Inc DBA Monarch Mechanical (75 employees, TCR 2.0) 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 OWR Mechanical Inc DBA Monarch Mechanical
OWR Mechanical Inc DBA Monarch Mechanical (75 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

OWR Mechanical Inc DBA Monarch Mechanical has more employees than the Air system balancing and testing 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 5.9 5.9 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Vacaville

5,793 Air system balancing and testing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 130 employers in Vacaville, 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 Palmetto Automatic Sprinkler Co., Inc. 2.0 TCR
NAICS-TCR Harris & Hart, Inc. - Utah Shop 2.0 TCR
NAICS-TCR Sentry Fire Protection 2.0 TCR
NAICS-TCR Total Comfort Solutions, Inc. 2.0 TCR
STATE-SIZE Sunset Farms, Inc 75 FTE
STATE-SIZE Martinelli Vineyard Managment, Inc 75 FTE
STATE-SIZE WESTVIEW BERRY FARMS 75 FTE
STATE-SIZE DJRAS CORP DBA PRIME HARVEST CONTRACTING 75 FTE
CITY-NEAR California Department of Corrections and Rehabilitation 1,830 FTE
CITY-NEAR Amazon Transportation Services : SMF5 1,686 FTE
CITY-NEAR 2032-02121451 1,665 FTE
CITY-NEAR CDCR California State Prison Solano 1,339 FTE
NAT-TCR ILC Dover 2.0 TCR
NAT-TCR Pizza Blends Inc - Portland 2.0 TCR
NAT-TCR Forest Womens Center 2.0 TCR
NAT-TCR Jamerson Lewis Construction 2.0 TCR
NAT-SIZE Tepel Brothers Printing 75 FTE
NAT-SIZE P.J. Steel 75 FTE
NAT-SIZE C.S. Osborne & Co. 75 FTE
NAT-SIZE Opelika - Poweteq, LLC 75 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.