621511 Medical Laboratories · Arizona

Mesa AZ

Mesa, AZ · ~15 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
3.8
Industry avg
0
Fatalities
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The verdict

Mesa AZ runs at 10% of its industry's injury rate - far safer than the typical 621511 Medical Laboratories workplace, earning a grade A.

Mesa AZ: 0.4 TCR = 10% of 621511 Medical Laboratories BLS 3.8 · 5y Form 300A (see methodology below)

Mesa AZ safety composite

Mesa AZ scores strongest on total case rate (tcr) (safer than 96% 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).

B

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.37 per 100 workers

Safer than 96% 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%).

Mesa AZ held a steady TCR band

Mesa AZ's TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2023. Peak filing year was 2017 at 1.8 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.0 · 2017=1.8 · 2018=0.0 · 2019=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 621511 · Mesa, AZ AT/BELOW-IND · SMALL

Grade A · TCR 0.4 · 10% of ind

  • DART 0.0 DART
  • RANK #1/6
  • PHOTO Crescendo Bioscience
  • BOOK 5y book
  • INJ 1 inj
  • SIZE ~15 FTE

Nearest TCR peer: Crescendo Bioscience (0.0 TCR gap)

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

Mesa AZ in the TCR neighbourhood

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

TCR

What this shows Mesa AZ averages 0.4 TCR (10% of the 621511 Medical Laboratories BLS benchmark).

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

Mesa AZ TCR series: 2016=0 · 2017=1.8 · 2018=0 · 2019=0 · 2023=0 · BLS 3.8

Where Mesa AZ falls in its industry

162 621511 Medical Laboratories establishments

Safer than 96% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 6 621511 Medical Laboratories employers in Arizona.

Mesa AZ (15 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 154 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 05101520 Average employees Total Case Rate Mesa AZ
Mesa AZ (15 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 154 employees and a TCR of 3.0

Mesa AZ has fewer employees than the 621511 Medical Laboratories 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
2023 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2017 1.8 1.8 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

621511 · AZ · Mesa

162 621511 Medical Laboratories 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. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Crescendo Bioscience 0.4 TCR
NAICS-TCR CLS Pittsburgh 0.3 TCR
NAICS-TCR PathGroup 624 Grassmere 0.4 TCR
NAICS-TCR Symphony Diagnostic Sparks 0.3 TCR
STATE-SIZE Scottsdale Shop 15 FTE
STATE-SIZE Fondomonte Corporate Office 15 FTE
STATE-SIZE Meritage Homes of Utah, Inc. 15 FTE
STATE-SIZE Ameritech - AZ 107 15 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 Allied telecom corp 0.4 TCR
NAT-TCR Allied Corporate 0.4 TCR
NAT-TCR HEADI 0.4 TCR
NAT-TCR Landmark Building 0.4 TCR

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, 2019, 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.