Oil field road construction · Arizona

M. R. Tanner Construction

Gilbert, AZ · ~81 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

M. R. Tanner Construction runs at 103% of its industry's injury rate - about level with the typical Oil field road construction workplace, earning a grade C.

M. R. Tanner Construction: 2.9 TCR = 103% of Oil field road construction BLS 2.8 · 3y Form 300A (see methodology below)

M. R. Tanner Construction safety composite

M. R. Tanner Construction scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on dart rate (safer than 48%), 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)
D 2.89 per 100 workers

Safer than 52% of industry peers

DART rate
D 1.24 per 100 workers

Safer than 48% of industry peers

Fatalities
D 0

Safer than 53% 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%).

TCR Δ

−1.4

2016→2021

M. R. Tanner Construction injury rate improved

M. R. Tanner Construction's TCR fell 1.4 from 2.6 in 2016 to 1.2 in 2021. Peak filing year was 2017 at 4.8 TCR. In 2021, DART was 0.43× this establishment's average TCR (severity share of cases).

2016=2.6 · 2017=4.8 · 2021=1.2

OSHA ITA Form 300A scorecard

Establishment book 237310 · Gilbert, AZ ABOVE-IND · SMALL

Grade C · TCR 2.9 · 103% of ind

  • DART 1.2 DART
  • RANK #38/63
  • PHOTO Lorig Construction C…
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~81 FTE

Nearest TCR peer: Lorig Construction Company (0.0 TCR gap)

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

M. R. Tanner Construction in the TCR neighbourhood

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

TCR

What this shows M. R. Tanner Construction averages 2.9 TCR (103% of the Oil field road construction BLS benchmark).

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

M. R. Tanner Construction TCR series: 2016=2.6 · 2017=4.8 · 2021=1.2 · BLS 2.8

Where M. R. Tanner Construction falls in its industry

4,078 Oil field road construction establishments

Safer than 52% 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 #38 safest of 63 Oil field road construction employers in Arizona.

M. R. Tanner Construction (81 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 69 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 01,0002,0003,000 0102030 Average employees Total Case Rate M. R. Tanner Construction
M. R. Tanner Construction (81 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

M. R. Tanner Construction has more employees than the Oil field road construction 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
2021 1.2 1.2 1 0 0
2017 4.8 4.8 4 0 0
2016 2.6 0.0 1 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · AZ · Gilbert

4,078 Oil field road construction employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 261 employers in Gilbert, 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 Lorig Construction Company 2.9 TCR
NAICS-TCR Bay Cities Paving & Grading, Inc. 2.9 TCR
NAICS-TCR Borderland Construction Company 2.9 TCR
NAICS-TCR 320141 - Various Mobile 2.9 TCR
STATE-SIZE Carrot Plant 81 FTE
STATE-SIZE Ocotillo Powerplant 81 FTE
STATE-SIZE THREE PHASE ELECTRIC, LLC 81 FTE
STATE-SIZE Sanofi Pasteur Field Sales Western Region 81 FTE
CITY-NEAR 6403-64030512 1,613 FTE
CITY-NEAR Town of Gilbert 1,500 FTE
CITY-NEAR 2643-64030512-512001 1,286 FTE
CITY-NEAR Ono-512 911 FTE
NAT-TCR Northeast Service Center 2.9 TCR
NAT-TCR Meijer215 2.9 TCR
NAT-TCR Long Beach Packaged Gas Plant 2.9 TCR
NAT-TCR 169 Columbus Gallery 2.9 TCR
NAT-SIZE Double J 81 FTE
NAT-SIZE Carehaven of Pleasants 81 FTE
NAT-SIZE Rock Solid Stabilization & Reclamation, Inc. 81 FTE
NAT-SIZE Minnequa Medicenter 81 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: 2021, 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.