Structural steel erecting or iron work contractors · Arizona

Milling Machinery, Inc.

Name: Milling Machinery, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Mesa, AZ · ~127 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.2
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Milling Machinery, Inc. runs at 113% of its industry's injury rate - about level with the typical Structural steel erecting or iron work contractors workplace, earning a grade C.

Milling Machinery, Inc.: 3.2 TCR = 113% of Structural steel erecting or iron work contractors BLS 2.8 · 6y Form 300A (see methodology below)

Milling Machinery, Inc. safety composite

Milling Machinery, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 53%), 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).

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 3.16 per 100 workers

Safer than 60% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% 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

−2.4

2016→2023

Milling Machinery, Inc. injury rate improved

Milling Machinery, Inc.'s TCR fell 2.4 from 3.5 in 2016 to 1.0 in 2023. Peak filing year was 2019 at 5.3 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2016=3.5 · 2019=5.3 · 2020=4.7 · 2021=2.4 · 2022=2.0 · 2023=1.0

OSHA ITA Form 300A scorecard

Establishment book 238120 · Mesa, AZ ABOVE-IND · MID

Grade C · TCR 3.2 · 113% of ind

DART 0.0 DART
RANK #7/21
PHOTO 7302
BOOK 6y book
INJ 24 inj
SIZE ~127 FTE

Nearest TCR peer: 7302 (0.0 TCR gap)

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

This site

3.2
J.B. Steel

3.2
Stageco

3.2
7302

3.1
Structural Ste

3.1

What this shows Milling Machinery, Inc. averages 3.2 TCR (113% of the Structural steel erecting or iron work contractors BLS benchmark).

Milling Machinery, Inc. TCR series: 2016=3.5 · 2019=5.3 · 2020=4.7 · 2021=2.4 · 2022=2 · 2023=1 · BLS 2.8

Where Milling Machinery, Inc. falls in its industry

705 Structural steel erecting or i establishments

Safer than 60% of graded establishments in this industry, whose median TCR is 3.9.

Grade C

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 21 Structural steel erecting or i employers in Arizona.

Milling Machinery, Inc. (127 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 58 employees and a TCR of 3.9

Milling Machinery, Inc. has more employees than the Structural steel erecting or iron work c median and a lower injury rate than the industry's median TCR of 3.9. 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
2023	1.0	0.0	2
2022	2.0	0.7	3
2021	2.4	0.8	3
2020	4.7	0.8	6
2019	5.3	3.6	6
2016	3.5	2.6	4

OSHA ITA peer cross-reference

Establishment peer ledger

238120 · AZ · Mesa

705 Structural steel erecting or iron work contractors 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	Place	Metric
NAICS-TCR	7302	NEW BRAUNFELS, TX	3.1 TCR
NAICS-TCR	J.B. Steel	TUCSON, AZ	3.2 TCR
NAICS-TCR	Stageco	COLORADO SPRINGS, CO	3.2 TCR
NAICS-TCR	Structural Steel Erector	CONYERS, GA	3.1 TCR
STATE-SIZE	DEPCOM Power, Inc.	SCOTTSDALE	127 FTE
STATE-SIZE	NA-US-AZ-Phoenix/Deer Valley-Pinnacle Peak Road	PHOENIX	127 FTE
STATE-SIZE	CS CONSTRUCTION, INC.	PHOENIX	127 FTE
STATE-SIZE	Tealstone Residential Concrete, Inc AZ	PHOENIX	127 FTE
CITY-NEAR	AZ001	Mesa	4,193 FTE
CITY-NEAR	AZAPW9668 AZA - RAMP PAX	Mesa	3,181 FTE
CITY-NEAR	04-290370278-2	Mesa	1,964 FTE
CITY-NEAR	Police Department H210	Mesa	1,651 FTE
NAT-TCR	Niehoff Endex North America Inc.	Swedesboro, NJ	3.2 TCR
NAT-TCR	Salisbury Hatchery #3	Salisbury, MD	3.2 TCR
NAT-TCR	Central Office	Boston, MA	3.2 TCR
NAT-TCR	Tindall Corporation - South Carolina Division	Spartanburg, SC	3.2 TCR
NAT-SIZE	Legend Valve & Fitting, Inc.	Auburn Hills, MI	127 FTE
NAT-SIZE	Orono ISD #278-High School	Long Lake, MN	127 FTE
NAT-SIZE	Salem Place Nursing and Rehabilitation Center	Conway, AR	127 FTE
NAT-SIZE	Baltimore Plant	Baltimore, MD	127 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, 2021, 2020, 2019, 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.