Electrical work · California

Semper Solaris Construction Inc.

Manteca, CA · ~36 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
20.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Semper Solaris Construction Inc. runs at 738% of its industry's injury rate - far more dangerous than the typical Electrical work workplace, earning a grade F.

Semper Solaris Construction Inc.: 20.7 TCR = 738% of Electrical work BLS 2.8 · 2y Form 300A (see methodology below)

Semper Solaris Construction Inc. safety composite

Semper Solaris Construction Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 0%), 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).

F

13/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 20.66 per 100 workers

Safer than 0% of industry peers

DART rate
F 15.09 per 100 workers

Safer than 1% 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

−11.1

2023→2024

Semper Solaris Construction Inc. injury rate improved

Semper Solaris Construction Inc.'s TCR fell 11.1 from 26.2 in 2023 to 15.1 in 2024. Peak filing year was 2023 at 26.2 TCR. In 2024, DART was 0.73× this establishment's average TCR (severity share of cases).

2023=26.2 · 2024=15.1

OSHA ITA Form 300A scorecard

Establishment book 238210 · Manteca, CA ABOVE-IND · SMALL

Grade F · TCR 20.7 · 738% of ind

  • DART 15.1 DART
  • RANK #545/548
  • PHOTO CCTCA East Valley
  • BOOK 2y book
  • INJ 12 inj
  • SIZE ~36 FTE

Nearest TCR peer: CCTCA East Valley (0.2 TCR gap)

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

Semper Solaris Construction Inc. in the TCR neighbourhood

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

TCR

What this shows Semper Solaris Construction Inc. averages 20.7 TCR (738% of the Electrical work BLS benchmark).

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

Semper Solaris Construction Inc. TCR series: 2023=26.2 · 2024=15.1 · BLS 2.8

Where Semper Solaris Construction Inc. falls in its industry

4,550 Electrical work establishments

Safer than 0% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #545 safest of 548 Electrical work employers in California.

Semper Solaris Construction Inc. (36 employees, TCR 20.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5 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 05001,0001,500 0510152025 Average employees Total Case Rate Semper Solaris Construction Inc.
Semper Solaris Construction Inc. (36 employees, TCR 20.7) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

Semper Solaris Construction Inc. has fewer employees than the Electrical work median and a higher 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 15.1 15.1 4 0 0
2023 26.2 16.4 8 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · CA · Manteca

4,550 Electrical work employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 118 employers in Manteca, 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 CCTCA East Valley 20.4 TCR
NAICS-TCR SME Inc of Seattle 20.2 TCR
NAICS-TCR Via Satellite Inc 21.3 TCR
NAICS-TCR Sparky Electric, Inc. 19.9 TCR
STATE-SIZE River Garden Farms 36 FTE
STATE-SIZE Knight Farms 36 FTE
STATE-SIZE J.H. MEEK & SONS INC. 36 FTE
STATE-SIZE Dirt Farmer and Company 36 FTE
CITY-NEAR Manteca Ops Center 1,489 FTE
CITY-NEAR ClearPath Workforce Managment 971 FTE
CITY-NEAR Ono-208 911 FTE
CITY-NEAR Ono-226 910 FTE
NAT-TCR Metro Health Foundation of MA, Inc. D/B/A The Bostonian Nursing Care & Rehabilitation Center 20.7 TCR
NAT-TCR 381768-Col-Livingston Sta 20.7 TCR
NAT-TCR 6400-Swy 0024 0077 20.7 TCR
NAT-TCR Byrne Electrical Specialists - Lakeview 20.6 TCR
NAT-SIZE Human Technologies Syracuse 36 FTE
NAT-SIZE Texas ProFab Corporation 36 FTE
NAT-SIZE Garden State Bobcat, Inc. 36 FTE
NAT-SIZE Village of Spring Grove 36 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. 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.