Low voltage electrical work · California
Superior Electrical Mechanical & Plumbing
Rancho Cucamonga, CA · ~337 workers · 3 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 1.7
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Superior Electrical Mechanical & Plumbing runs at 61% of its industry's injury rate - safer than the typical Low voltage electrical work workplace, earning a grade B.
Superior Electrical Mechanical & Plumbing: 1.7 TCR = 61% of Low voltage electrical work BLS 2.8 · 3y Form 300A (see methodology below)
Superior Electrical Mechanical & Plumbing safety composite
Superior Electrical Mechanical & Plumbing scores strongest on total case rate (tcr) (safer than 64% of same-industry peers) and weakest on dart rate (safer than 37%), 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).
51/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 1.7 per 100 workers
Safer than 64% of industry peers
- DART rate
- D 1.54 per 100 workers
Safer than 37% 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%).
Superior Electrical Mechanical & Plumbing held a steady TCR band
Superior Electrical Mechanical & Plumbing's TCR held near 0.1 from 1.4 in 2020 to 1.5 in 2024. Peak filing year was 2023 at 2.1 TCR. In 2024, DART was 0.91× this establishment's average TCR (severity share of cases).
2020=1.4 · 2023=2.1 · 2024=1.5
OSHA ITA Form 300A scorecard
Establishment book 238210 · Rancho Cucamonga, CA AT/BELOW-IND · MID
Grade B · TCR 1.7 · 61% of ind
- DART 1.5 DART
- RANK #156/548
- PHOTO Brattan Industries
- BOOK 3y book
- INJ 17 inj
- SIZE ~337 FTE
Nearest TCR peer: Brattan Industries (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Superior Electrical Mechanical & Plumbing in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Superior Electrical Mechanical & Plumbing
1.7 TCR
- Brattan Indust
Brattan Industries
1.7 TCR
- L.E.C. INC.
L.E.C. INC.
1.7 TCR
- Collins Electr
Collins Electric Company of Oklahoma, Inc.
1.7 TCR
- Young Electric
Young Electric Co., Inc
1.7 TCR
What this shows Superior Electrical Mechanical & Plumbing averages 1.7 TCR (61% of the Low voltage electrical work BLS benchmark).
Superior Electrical Mechanical & Plumbing TCR series: 2020=1.4 · 2023=2.1 · 2024=1.5 · BLS 2.8
Where Superior Electrical Mechanical & Plumbing falls in its industry
4,550 Low voltage electrical work establishmentsSafer than 64% of graded establishments in this industry, whose median TCR is 2.5.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #156 safest of 548 Low voltage electrical work employers in California.
Superior Electrical Mechanical & Plumbing has more employees than the Low voltage electrical work median and a lower injury rate than the industry's median TCR of 2.5. 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 | 1.5 | 1.5 | 5 | 0 | 0 |
| 2023 | 2.1 | 2.1 | 7 | 0 | 0 |
| 2020 | 1.4 | 1.4 | 5 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238210 · CA · Rancho Cucamonga
4,550 Low voltage electrical work employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 229 employers in Rancho Cucamonga, 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 | Brattan Industries | 1.7 TCR |
| NAICS-TCR | L.E.C. INC. | 1.7 TCR |
| NAICS-TCR | Collins Electric Company of Oklahoma, Inc. | 1.7 TCR |
| NAICS-TCR | Young Electric Co., Inc | 1.7 TCR |
| STATE-SIZE | KG Berry Farms LLC | 337 FTE |
| STATE-SIZE | Grimmius Cattle Company, Inc. - East Ranch | 337 FTE |
| STATE-SIZE | Eagle Labor Contracting Service | 337 FTE |
| STATE-SIZE | WESTSIDE AG ll, INC | 337 FTE |
| CITY-NEAR | California Department of Transportation Facility 304 | 1,529 FTE |
| CITY-NEAR | Davis Development Company, Inc. | 1,214 FTE |
| CITY-NEAR | CUCAMONGA | 809 FTE |
| CITY-NEAR | VIP,INC. Rancho Cucamonga | 751 FTE |
| NAT-TCR | Edgar Thomson Plant | 1.7 TCR |
| NAT-TCR | Strahman Valves, Inc. | 1.7 TCR |
| NAT-TCR | Bombard Electric | 1.7 TCR |
| NAT-TCR | Cleveland Cord Blood Center | 1.7 TCR |
| NAT-SIZE | Abernethy Laurels | 337 FTE |
| NAT-SIZE | Bee-Clean US Holdings, LLC DBA Heritage Building Maintenance | 337 FTE |
| NAT-SIZE | Lakeside Book Company - Hagerstown | 337 FTE |
| NAT-SIZE | Taylor Automotive Group LLC | 337 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.