Patient monitoring equipment merchant wholesalers · California

Masimo Corporation

Irvine, CA · ~1,135 workers · 8 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Masimo Corporation runs at 40% of its industry's injury rate - far safer than the typical Patient monitoring equipment merchant wholesalers workplace, earning a grade A.

Masimo Corporation: 0.9 TCR = 40% of Patient monitoring equipment merchant wholesalers BLS 2.2 · 8y Form 300A (see methodology below)

Masimo Corporation safety composite

Masimo Corporation scores strongest on total case rate (tcr) (safer than 84% of same-industry peers) and weakest on fatalities (safer than 50%), 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

74/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.89 per 100 workers

Safer than 84% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% of industry peers

Fatalities
D 0

Safer than 50% 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%).

Masimo Corporation held a steady TCR band

Masimo Corporation's TCR held near 0.1 from 0.7 in 2017 to 0.6 in 2024. Peak filing year was 2018 at 1.5 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.7 · 2018=1.5 · 2019=1.1 · 2020=0.8 · 2021=1.1 · 2022=0.6 · 2023=0.8 · 2024=0.6

OSHA ITA Form 300A scorecard

Establishment book 423450 · Irvine, CA AT/BELOW-IND · LARGE

Grade A · TCR 0.9 · 40% of ind

  • DART 0.0 DART
  • RANK #12/89
  • PHOTO 025D - WICHITA FAS
  • BOOK 8y book
  • INJ 70 inj
  • SIZE ~1,135 FTE

Nearest TCR peer: 025D - WICHITA FAS (0.0 TCR gap)

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

Masimo Corporation in the TCR neighbourhood

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

TCR

What this shows Masimo Corporation averages 0.9 TCR (40% of the Patient monitoring equipment merchant wholesalers BLS benchmark).

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

Masimo Corporation TCR series: 2017=0.7 · 2018=1.5 · 2019=1.1 · 2020=0.8 · 2021=1.1 · 2022=0.6 · 2023=0.8 · 2024=0.6 · BLS 2.2

Where Masimo Corporation falls in its industry

754 Patient monitoring equipment m establishments

Safer than 84% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #12 safest of 89 Patient monitoring equipment m employers in California.

Masimo Corporation (1,135 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.0 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 Masimo Corporation
Masimo Corporation (1,135 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.0

Masimo Corporation has more employees than the Patient monitoring equipment merchant wh median and a lower injury rate than the industry's median TCR of 3.0. 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 0.6 0.0 6 1 0
2023 0.8 0.3 10 0 0
2022 0.6 0.3 7 0 0
2021 1.1 0.7 13 2 0
2020 0.8 0.6 7 2 0
2019 1.1 0.7 6 5 0
2018 1.5 0.6 15 0 0
2017 0.7 0.4 6 2 0

OSHA ITA peer cross-reference

Establishment peer ledger

423450 · CA · Irvine

754 Patient monitoring equipment merchant wholesalers employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 622 employers in Irvine, 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 025D - WICHITA FAS 0.9 TCR
NAICS-TCR 046P - CANTON OH FAS 0.9 TCR
NAICS-TCR Medline Industries - B43 - B43 0.9 TCR
NAICS-TCR 291 - SOUTH FLORIDA FAS 0.9 TCR
STATE-SIZE 1701 S. Lexington St 1,135 FTE
STATE-SIZE Virgin Galactic LLC 1,135 FTE
STATE-SIZE Casa Colina Hospital and Centers for Healthcare 1,136 FTE
STATE-SIZE Fantasy Springs Resort Casino 1,136 FTE
CITY-NEAR UC Irvine 16,029 FTE
CITY-NEAR CA-10 4,926 FTE
CITY-NEAR Edwards Lifesciences 4,189 FTE
CITY-NEAR Johnson and Johnson MDD CSS Irvine 3,775 FTE
NAT-TCR Mobile Mark 0.9 TCR
NAT-TCR College of DuPage 0.9 TCR
NAT-TCR Houston, TX - Gellhorn Dr. 0.9 TCR
NAT-TCR Perham, MN (Arvig) 0.9 TCR
NAT-SIZE Zeeland Plant 1,135 FTE
NAT-SIZE Carl Buddig & Company-50 West Taft Drive 1,135 FTE
NAT-SIZE Amazon.com Services LLC - CDW5 1,135 FTE
NAT-SIZE St. Joseph Mercy Chelsea Hospital 1,135 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, 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.