MILLING MACHINERY INC
USDOT 666421 · Doing business as MMI INDUSTRIAL & STEEL
Active, interstate carrier, small fleet (4 power units) — safety rating: conditional.
Vetting summary
At a glance
- Out-of-service rate20% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 666421 |
|---|---|
| MC Number | MC-842898 |
| Legal Name | MILLING MACHINERY INC |
| DBA Name | MMI INDUSTRIAL & STEEL |
| Entity Type | CORPORATION |
| Phone | 4809649041 |
| Address | 2045 S VINEYARD SUITE 118, Mesa, AZ, 85210 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | C — Conditional (rated 20040726) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 72 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 5 |
|---|---|
| Out-of-Service Rate | 20% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2025-07-17 — AZ — towaway
Most frequent violation categories: 47 (4), 20 (1), 23 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 4 |
|---|---|
| Drivers | 3 |
| Recent Annual Mileage | 60,000 |
| Last MCS-150 Filing | 14-JAN-26 |
MILLING MACHINERY INC operates 4 power units — a larger fleet than 85% of carriers registered in AZ.
Nearby
Other carriers in Mesa, AZ
- MESA UNIFIED SCHOOL DIST 4 — USDOT 923815, 595 power units
- INFRA SOURCE TRANSMISSION SERVICES CO — USDOT 836960, 397 power units
- CRESCENT CROWN DISTRIBUTING LLC — USDOT 967495, 346 power units
- HERITAGE TRUCKING INC — USDOT 723417, 113 power units
- UNITED SUBCONTRACTORS INC — USDOT 645236, 112 power units
Browse all carriers in Mesa, AZ or all AZ carriers.