Electrical work · California

Semper Solaris Construction Inc

Redlands, CA · ~22 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
31.7
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Semper Solaris Construction Inc runs at 1131% of its industry's injury rate - far more dangerous than the typical Electrical work workplace, earning a grade F.

Semper Solaris Construction Inc: 31.7 TCR = 1131% 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 31.68 per 100 workers

Safer than 0% of industry peers

DART rate
F 29.84 per 100 workers

Safer than 0% 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

−3.7

2023→2024

Semper Solaris Construction Inc injury rate improved

Semper Solaris Construction Inc's TCR fell 3.7 from 33.5 in 2023 to 29.8 in 2024. Peak filing year was 2023 at 33.5 TCR. In 2024, DART was 0.94× this establishment's average TCR (severity share of cases).

2023=33.5 · 2024=29.8

OSHA ITA Form 300A scorecard

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

Grade F · TCR 31.7 · 1131% of ind

  • DART 29.8 DART
  • RANK #548/548
  • PHOTO Semper Solaris Const…
  • BOOK 2y book
  • INJ 9 inj
  • SIZE ~22 FTE

Nearest TCR peer: Semper Solaris Construction, Inc (3.8 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 31.7 TCR (1131% of the Electrical work BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Semper Solaris Construction Inc TCR series: 2023=33.5 · 2024=29.8 · 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 #548 safest of 548 Electrical work employers in California.

Semper Solaris Construction Inc (22 employees, TCR 31.7) 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 010203040 Average employees Total Case Rate Semper Solaris Construction Inc
Semper Solaris Construction Inc (22 employees, TCR 31.7) 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 29.8 29.8 1 0 0
2023 33.5 7.5 8 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · CA · Redlands

4,550 Electrical work employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 180 employers in Redlands, 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 Semper Solaris Construction, Inc 27.9 TCR
NAICS-TCR OEG, INC - CLACKAMAS COUNTY COURTHOUSE 27.4 TCR
NAICS-TCR DBA Electric Inc. 26.4 TCR
NAICS-TCR Mathew D Borcina Inc DBA MC Electric 26.0 TCR
STATE-SIZE Mountain Valley Child and Family Services, Inc. - Gerber 22 FTE
STATE-SIZE 6957-STS 22 FTE
STATE-SIZE Glen Park at Ojai 22 FTE
STATE-SIZE CSY Kleimer Bldg 22 FTE
CITY-NEAR Burlington Redlands #517 1,194 FTE
CITY-NEAR Ono-010 912 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : LGB4 776 FTE
CITY-NEAR Amazon.com Services LLC - LGB4 762 FTE
NAT-TCR 048 Juvenile Detention Center 30.0 TCR
NAT-TCR Governor Juan F. Luis Hospital and Medical Center 30.0 TCR
NAT-TCR Rockland Facility 30.0 TCR
NAT-TCR Kemper Moving Systems 30.0 TCR
NAT-SIZE Pacific Supply - Denver 22 FTE
NAT-SIZE Whelco Industrial, Ltd 22 FTE
NAT-SIZE Tucker Spartanburg 22 FTE
NAT-SIZE IPS Ft Wayne 22 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.