Semiconductor devices manufacturing · California

Lumentum Corporate

Milpitas, CA · ~451 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Lumentum Corporate runs at 13% of its industry's injury rate - far safer than the typical Semiconductor devices manufacturing workplace, earning a grade A.

Lumentum Corporate: 0.4 TCR = 13% of Semiconductor devices manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Lumentum Corporate safety composite

Lumentum Corporate scores strongest on dart rate (safer than 77% 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 0.43 per 100 workers

Safer than 76% 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%).

Lumentum Corporate held a steady TCR band

Lumentum Corporate's TCR held near 0.2 from 0.5 in 2016 to 0.6 in 2018. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.5 · 2017=0.2 · 2018=0.6

OSHA ITA Form 300A scorecard

Establishment book 334413 · Milpitas, CA AT/BELOW-IND · MID

Grade A · TCR 0.4 · 13% of ind

  • DART 0.0 DART
  • RANK #36/128
  • PHOTO Microchip Technology…
  • BOOK 3y book
  • INJ 7 inj
  • SIZE ~451 FTE

Nearest TCR peer: Microchip Technology Inc. Hauppauge (0.0 TCR gap)

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

Lumentum Corporate in the TCR neighbourhood

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

TCR

What this shows Lumentum Corporate averages 0.4 TCR (13% of the Semiconductor devices manufacturing BLS benchmark).

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

Lumentum Corporate TCR series: 2016=0.5 · 2017=0.2 · 2018=0.6 · BLS 3.3

Where Lumentum Corporate falls in its industry

437 Semiconductor devices manufact establishments

Safer than 76% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #36 safest of 128 Semiconductor devices manufact employers in California.

Lumentum Corporate (451 employees, TCR 0.4) 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 Lumentum Corporate
Lumentum Corporate (451 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 216 employees and a TCR of 0.9

Lumentum Corporate has more employees than the Semiconductor devices manufacturing median and a lower 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
2018 0.6 0.0 3 0 0
2017 0.2 0.1 2 0 0
2016 0.5 0.2 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

334413 · CA · Milpitas

437 Semiconductor devices manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 161 employers in Milpitas, 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 Microchip Technology Inc. Hauppauge 0.4 TCR
NAICS-TCR Crystal IS 0.4 TCR
NAICS-TCR Entegris 0.4 TCR
NAICS-TCR TowerJazz Texas 0.4 TCR
STATE-SIZE Drill Tech Drilling & Shoring, Inc. 451 FTE
STATE-SIZE Renesas Electronics America, Inc. 451 FTE
STATE-SIZE Southcoast Welding & Manufacturing 451 FTE
STATE-SIZE Unical Aviation 451 FTE
CITY-NEAR California Department of Transportation Facility 454 2,891 FTE
CITY-NEAR California 2,531 FTE
CITY-NEAR 2636-CALIFORNIA, MILPITAS 2,400 FTE
CITY-NEAR 011 SanDisk HQ 1,952 FTE
NAT-TCR Boylston St 0.4 TCR
NAT-TCR Fastener 0.4 TCR
NAT-TCR Firestone Polymers Lake Charles Plant 0.4 TCR
NAT-TCR Goodrich - AMI Industries Interiors 0.4 TCR
NAT-SIZE Hodge Mill 451 FTE
NAT-SIZE Rai Hq Ind 451 FTE
NAT-SIZE Sproul Warehouse 451 FTE
NAT-SIZE Leviton Manufacturing Co., Inc. 451 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.