Airport lighting transformers manufacturing · Arizona

Gruber Technical, Inc

Phoenix, AZ · ~110 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Gruber Technical, Inc runs at 158% of its industry's injury rate - more dangerous than the typical Airport lighting transformers manufacturing workplace, earning a grade D.

Gruber Technical, Inc: 5.2 TCR = 158% of Airport lighting transformers manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Gruber Technical, Inc safety composite

Gruber Technical, Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 20%), 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

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.2 per 100 workers

Safer than 20% of industry peers

DART rate
D 2.05 per 100 workers

Safer than 38% 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%).

Rising injury rate

Gruber Technical, Inc: 3.9 → 6.1 TCR

Peak year 2018 @ 6.1 TCR · DART/TCR 0.39× in 2018

Gruber Technical, Inc's TCR rose 2.3 from 3.9 in 2016 to 6.1 in 2018. In 2018, DART was 0.39× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 335311 · Phoenix, AZ ABOVE-IND · MID

Grade D · TCR 5.2 · 158% of ind

  • DART 2.0 DART
  • RANK P20
  • PHOTO Simplex Inc
  • BOOK 3y book
  • INJ 16 inj
  • SIZE ~110 FTE

Nearest TCR peer: Simplex Inc (0.0 TCR gap)

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

Gruber Technical, Inc in the TCR neighbourhood

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

TCR

What this shows Gruber Technical, Inc averages 5.2 TCR (158% of the Airport lighting transformers manufacturing BLS benchmark).

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

Gruber Technical, Inc TCR series: 2016=3.9 · 2017=5.6 · 2018=6.1 · BLS 3.3

Where Gruber Technical, Inc falls in its industry

141 Airport lighting transformers establishments

Safer than 20% of graded establishments in this industry, whose median TCR is 2.6.

More dangerous than peersSafer than peers
Gruber Technical, Inc (110 employees, TCR 5.2) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 2.6 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 05001,0001,5002,0002,500 0246810 Average employees Total Case Rate Gruber Technical, Inc
Gruber Technical, Inc (110 employees, TCR 5.2) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 2.6

Gruber Technical, Inc has fewer employees than the Airport lighting transformers manufactur median and a higher injury rate than the industry's median TCR of 2.6. 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
2018 6.1 2.0 6 0 0
2017 5.6 0.9 6 0 0
2016 3.9 1.0 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

335311 · AZ · Phoenix

141 Airport lighting transformers manufacturing employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 2,630 employers in Phoenix, AZ · 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 Simplex Inc 5.3 TCR
NAICS-TCR Grid Solutions : PTR - SNT - Shreveport, LA, USA 5.1 TCR
NAICS-TCR Components Division 5.0 TCR
NAICS-TCR Olsun Electrics Corp 5.0 TCR
STATE-SIZE Meritage Homes of Florida - Tampa Division 110 FTE
STATE-SIZE Pentagon Technologies Site Services - Intel Ocotillo 110 FTE
STATE-SIZE HUB North 110 FTE
STATE-SIZE Stinger Bridge & Iron 110 FTE
CITY-NEAR Maricopa County 15,504 FTE
CITY-NEAR Phoenix Children's Hospital 7,575 FTE
CITY-NEAR All Company 6,261 FTE
CITY-NEAR 6403-64030500 6,153 FTE
NAT-TCR 0197 - Alexandria, La 5.2 TCR
NAT-TCR VF Henning 5.2 TCR
NAT-TCR Caguas Center (Prcag) 5.2 TCR
NAT-TCR Cleveland Gateway (Ohcgf) 5.2 TCR
NAT-SIZE Avante at Reidsville 110 FTE
NAT-SIZE Burlington (Wabur) 110 FTE
NAT-SIZE Havelock (Nchav) 110 FTE
NAT-SIZE Bombardier Transportation - Camden - RiverLine 110 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: 2018, 2017, 2016. 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.