Traffic signal installation · California

Gruendl, INC. DBA Ray's Electric

Oakland, CA · ~64 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Gruendl, INC. DBA Ray's Electric runs at 43% of its industry's injury rate - far safer than the typical Traffic signal installation workplace, earning a grade A.

Gruendl, INC. DBA Ray's Electric: 1.2 TCR = 43% of Traffic signal installation BLS 2.8 · 2y Form 300A (see methodology below)

Gruendl, INC. DBA Ray's Electric safety composite

Gruendl, INC. DBA Ray's Electric scores strongest on dart rate (safer than 78% 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

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.21 per 100 workers

Safer than 76% of industry peers

DART rate
B 0 per 100 workers

Safer than 78% 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

−2.4

2022→2023

Gruendl, INC. DBA Ray's Electric injury rate improved

Gruendl, INC. DBA Ray's Electric's TCR fell 2.4 from 2.4 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 2.4 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=2.4 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 238210 · Oakland, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.2 · 43% of ind

  • DART 0.0 DART
  • RANK #93/548
  • PHOTO RCR Electrical Contr…
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~64 FTE

Nearest TCR peer: RCR Electrical Contractors, Inc. (0.0 TCR gap)

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

Gruendl, INC. DBA Ray's Electric in the TCR neighbourhood

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

TCR

What this shows Gruendl, INC. DBA Ray's Electric averages 1.2 TCR (43% of the Traffic signal installation BLS benchmark).

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

Gruendl, INC. DBA Ray's Electric TCR series: 2022=2.4 · 2023=0 · BLS 2.8

Where Gruendl, INC. DBA Ray's Electric falls in its industry

4,550 Traffic signal installation establishments

Safer than 76% 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 #93 safest of 548 Traffic signal installation employers in California.

Gruendl, INC. DBA Ray's Electric (64 employees, TCR 1.2) 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 051015 Average employees Total Case Rate Gruendl, INC. DBA Ray's Electric
Gruendl, INC. DBA Ray's Electric (64 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

Gruendl, INC. DBA Ray's Electric has more employees than the Traffic signal installation 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
2023 0.0 0.0 0 0 0
2022 2.4 2.4 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · CA · Oakland

4,550 Traffic signal installation employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 458 employers in Oakland, 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 RCR Electrical Contractors, Inc. 1.2 TCR
NAICS-TCR Texsun Electrical Contractors, Inc 1.2 TCR
NAICS-TCR Service Complete Electric, Inc. 1.2 TCR
NAICS-TCR Five Star Electric Corporation 1.2 TCR
STATE-SIZE Costa Farms, Inc. 64 FTE
STATE-SIZE MDERA 64 FTE
STATE-SIZE AGS FARM LABOR CORPORATION 64 FTE
STATE-SIZE Arroyo Seco Vineyards, Inc 64 FTE
CITY-NEAR Oakland Unified School District 4,473 FTE
CITY-NEAR 2032-02120301 4,408 FTE
CITY-NEAR 0206-02620301 3,210 FTE
CITY-NEAR 2032-02620301 2,922 FTE
NAT-TCR TB Management LLC 1.2 TCR
NAT-TCR Arbor Oaks at Greenacres 1.2 TCR
NAT-TCR Mechanical & Industrial Steel Services, Inc. 1.2 TCR
NAT-TCR Unit #1853 1.2 TCR
NAT-SIZE Dykema Excavators, Inc 64 FTE
NAT-SIZE Hayden Station-948 64 FTE
NAT-SIZE Security and Fire Electronics Inc 64 FTE
NAT-SIZE PA.PITTS.98 - Ricoh Americas Holdings, Inc 64 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. 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.