HVAC Sheet Metal And Plumbing · California

DDK Mechanical, Inc

Sacramento, CA · ~34 workers · 6 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

DDK Mechanical, Inc runs at 110% of its industry's injury rate - about level with the typical HVAC Sheet Metal And Plumbing workplace, earning a grade C.

DDK Mechanical, Inc: 3.1 TCR = 110% of HVAC Sheet Metal And Plumbing BLS 2.8 · 6y Form 300A (see methodology below)

DDK Mechanical, Inc safety composite

DDK Mechanical, Inc 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

62/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.08 per 100 workers

Safer than 53% 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

−3.3

2019→2024

DDK Mechanical, Inc injury rate improved

DDK Mechanical, Inc's TCR fell 3.3 from 3.3 in 2019 to 0.0 in 2024. Peak filing year was 2020 at 7.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=3.3 · 2020=7.1 · 2021=2.7 · 2022=5.4 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Sacramento, CA ABOVE-IND · SMALL

Grade C · TCR 3.1 · 110% of ind

  • DART 0.0 DART
  • RANK #241/594
  • PHOTO 2590_4905
  • BOOK 6y book
  • INJ 6 inj
  • SIZE ~34 FTE

Nearest TCR peer: 2590_4905 (0.0 TCR gap)

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

DDK Mechanical, Inc in the TCR neighbourhood

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

TCR

What this shows DDK Mechanical, Inc averages 3.1 TCR (110% of the HVAC Sheet Metal And Plumbing BLS benchmark).

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

DDK Mechanical, Inc TCR series: 2019=3.3 · 2020=7.1 · 2021=2.7 · 2022=5.4 · 2023=0 · 2024=0 · BLS 2.8

Where DDK Mechanical, Inc falls in its industry

5,793 HVAC Sheet Metal And Plumbing establishments

Safer than 53% 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 #241 safest of 594 HVAC Sheet Metal And Plumbing employers in California.

DDK Mechanical, Inc (34 employees, TCR 3.1) 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 DDK Mechanical, Inc
DDK Mechanical, Inc (34 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

DDK Mechanical, Inc has fewer employees than the HVAC Sheet Metal And Plumbing 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 0.0 0.0 0 0 0
2023 0.0 0.0 0 0 0
2022 5.4 2.7 2 0 0
2021 2.7 0.0 1 0 0
2020 7.1 3.5 2 0 0
2019 3.3 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Sacramento

5,793 HVAC Sheet Metal And Plumbing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,348 employers in Sacramento, 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 2590_4905 3.1 TCR
NAICS-TCR Quality Mechanical Services LLC 3.1 TCR
NAICS-TCR Combustioneer Corporation 3.1 TCR
NAICS-TCR Hydro-Temp Mechanical Inc 3.1 TCR
STATE-SIZE Ardent Mills Yuba City 34 FTE
STATE-SIZE Filice Farms, L.P. 34 FTE
STATE-SIZE Alexander Ranch, Inc. 34 FTE
STATE-SIZE MFarms 34 FTE
CITY-NEAR UC Davis Health 10,481 FTE
CITY-NEAR Employment Development Department 8,494 FTE
CITY-NEAR California Department of Transportation Facility 451 5,500 FTE
CITY-NEAR California Department of Transportation Facility 485 5,500 FTE
NAT-TCR Edif O & M 3.1 TCR
NAT-TCR Closed Loop Recycling 3.1 TCR
NAT-TCR Cimarron Machine Services, Inc. 3.1 TCR
NAT-TCR MFS Supply Ohio 3.1 TCR
NAT-SIZE Star Manufacturing, Ltd. 34 FTE
NAT-SIZE Addison Construction Co. 34 FTE
NAT-SIZE Blastpro Manufacturing, Inc. 34 FTE
NAT-SIZE Beasley flooring product 34 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, 2020, 2019. 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.