Diodes, solid-state (e.g., germanium, silicon), manufacturing · Arizona

Wolfspeed - Mesa, AZ

Mesa, AZ · ~38 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.6
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Wolfspeed - Mesa, AZ runs at 50% of its industry's injury rate - far safer than the typical Diodes, solid-state (e.g., germanium, silicon), manufacturing workplace, earning a grade A.

Wolfspeed - Mesa, AZ: 1.6 TCR = 50% of Diodes, solid-state (e.g., germanium, silicon), manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Wolfspeed - Mesa, AZ safety composite

Wolfspeed - Mesa, AZ scores strongest on dart rate (safer than 77% of same-industry peers) and weakest on total case rate (tcr) (safer than 27%), 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).

D

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 1.65 per 100 workers

Safer than 27% of industry peers

DART rate
B 0 per 100 workers

Safer than 77% 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

Wolfspeed - Mesa, AZ: 0.0 → 3.3 TCR

Peak year 2023 @ 3.3 TCR · DART/TCR 0× in 2023

Wolfspeed - Mesa, AZ's TCR rose 3.3 from 0.0 in 2022 to 3.3 in 2023. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 334413 · Mesa, AZ AT/BELOW-IND · SMALL

Grade A · TCR 1.6 · 50% of ind

  • DART 0.0 DART
  • RANK #16/22
  • PHOTO Aloclek
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~38 FTE

Nearest TCR peer: Aloclek (0.0 TCR gap)

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

Wolfspeed - Mesa, AZ in the TCR neighbourhood

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

TCR

What this shows Wolfspeed - Mesa, AZ averages 1.6 TCR (50% of the Diodes, solid-state (e.g., germanium, silicon), manufacturing BLS benchmark).

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

Wolfspeed - Mesa, AZ TCR series: 2022=0 · 2023=3.3 · BLS 3.3

Where Wolfspeed - Mesa, AZ falls in its industry

437 Diodes, solid-state (e.g., ger establishments

Safer than 27% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 22 Diodes, solid-state (e.g., ger employers in Arizona.

Wolfspeed - Mesa, AZ (38 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 216 employees and a TCR of 0.9 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 01,0002,0003,0004,000 0246 Average employees Total Case Rate Wolfspeed - Mesa, AZ
Wolfspeed - Mesa, AZ (38 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 216 employees and a TCR of 0.9

Wolfspeed - Mesa, AZ has fewer employees than the Diodes, solid-state (e.g., germanium, si median and a higher injury rate than the industry's median TCR of 0.9. 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 3.3 0.0 1 0 0
2022 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334413 · AZ · Mesa

437 Diodes, solid-state (e.g., germanium, silicon), manufacturing employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 565 employers in Mesa, 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 Aloclek 1.6 TCR
NAICS-TCR ON Semiconductor Western Ave 1.7 TCR
NAICS-TCR Wolfspeed - Durham, NC 1.7 TCR
NAICS-TCR Robert Bosch Semiconductor LLC 1.7 TCR
STATE-SIZE Southern 38 FTE
STATE-SIZE Eloy, AZ 38 FTE
STATE-SIZE Office 38 FTE
STATE-SIZE Casa Grande Service Center 38 FTE
CITY-NEAR AZ001 4,193 FTE
CITY-NEAR AZAPW9668 AZA - RAMP PAX 3,181 FTE
CITY-NEAR 04-290370278-2 1,964 FTE
CITY-NEAR Police Department H210 1,651 FTE
NAT-TCR PF Pine Grove SNF Ops, LLC 1.6 TCR
NAT-TCR HealthStar - Duluth 1.6 TCR
NAT-TCR TR Construction 1.6 TCR
NAT-TCR Services : OM - Hawaii, USA 1.6 TCR
NAT-SIZE 1820 Heavy Truck Stockton 38 FTE
NAT-SIZE Supreme Almonds of California, Inc. 38 FTE
NAT-SIZE VCA Inc 38 FTE
NAT-SIZE The Waterford At Fort Worth 38 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.