Public carrier record · USDOT 666421

MILLING MACHINERY INC

DBA MMI INDUSTRIAL & STEEL · Mesa, AZ · MC 842898

From CarrierTrail’s copy of the FMCSA census, published Sep 30, 2026. Record present in this snapshot. Official record: SAFER · Motus

1 to review · 1 note

  • Conditional safety rating on record
  • Safety rating is more than 5 years old

Observations from public fields, not findings about the company. Check the official record and the context before deciding.

AuthorityActive1 active of 1 on file
Insurance1 on fileinsurance filings
Safety ratingConditionalJul 26, 2004
Power units5as reported
Drivers3as reported
Inspections6last 24 months

Company identity and reported operations

Public census details for USDOT 666421
USDOT number666421
Legal nameMILLING MACHINERY INC
Doing business as / DBAMMI INDUSTRIAL & STEEL
MC docket identifiersMC 842898
Reported physical address2045 S VINEYARD SUITE 118, MESA, AZ, 85210, US
Reported business phone(480) 964-9041
Reported power units5
Reported drivers3
Reported MCS-150 dateJan 14, 2026
Company officers (as filed)Brett Huston
Carrier operationInterstate
Census status codeA
Safety ratingConditional
Safety rating dateJul 26, 2004

Public inspection, violation and crash summary

FMCSA public SMS input records from 2024-08-28 through 2026-08-27.

Out-of-service rates

  • Driver inspections0.0%0 of 5
  • Vehicle inspections20.0%1 of 5

Share of this carrier’s recorded roadside inspections that ended in an out-of-service order.

Inspections6
Driver out-of-service rate0.0% (0 of 5)
Vehicle out-of-service rate20.0% (1 of 5)
Violations3 across 1 inspections
Out-of-service violations1
Crashes1
Fatal / injury / tow-away crashes0 / 0 / 1
Fatalities / injuries reported0 / 0

Most frequent published violation codes

  • 39311A1CSLRRConspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 19971
  • 39375A3TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS1
  • 39378AWSWashers - Inoperative washing system.1

Crash involvement does not establish fault. Inspection summaries, safety ratings and restricted BASIC measures are different concepts.

How CarrierTrail uses public safety data →

Compare the reported Mesa record

MILLING MACHINERY INC reports 5 power units. The Mesa, Arizona directory contains 2,934 census records, of which 2,550 report at least one power unit.

Reported cargo and business classification

MILLING MACHINERY INC reports AUTHORIZED FOR HIRE in the census and lists 5 cargo categories.

  • Metal sheets, coils and rolls
  • Building materials
  • Machinery and large objects
  • Construction
  • Other: STEEL

Fleet size in local context

Reported power units across Mesa census records
Power unitsRecordsShare of all city records
038413.1%
11,53252.2%
2–5: this carrier’s band72924.8%
6–202197.5%
21–100541.8%
Over 100160.5%
Unknown / other00.0%

Record dates and observed changes

Added to the census (not company founding date)
Nov 12, 1996
Carrier-reported MCS-150 filing date
Jan 14, 2026
Census source publication
Sep 30, 2026 10:52 UTC
First observed by CarrierTrail
Sep 12, 2026 19:56 UTC

Source publication, carrier filing and our observation dates describe different events. An older filing date alone does not establish noncompliance.

Public-field differences from up to ten recent census change events are shown below.

No public-field changes are recorded in our observation window for this carrier. This does not mean the carrier never changed its details; tracking begins at the first observation shown above.

Authority and insurance

Authority filings

DocketReported authority typeReported statusBIPD requiredBIPD on file
MC842898Motor Carrier of Property (Except Household Goods)Active$750,000$750,000

Insurance filings

DocketInsurerCoverageEffective dateFormPolicy
MC842898Middlesex Insurance Company$750,000Dec 01, 2024BMC-91XA0264456001
Sources and check dates

Checked Oct 01, 2026 16:21 UTC.

Missing matches do not establish missing authority or insurance. Filing records are shown as published; check current status before booking.

Operating authority timeline

Status changes and notices recorded against MILLING MACHINERY INC’s operating authority dockets, newest first, from the FMCSA authority history and notices datasets.

  1. GrantedMC842898 · Motor Carrier of Property (Except Household Goods)

A notice or status line describes the docket, not the reason behind it. Check Motus for the current status before booking.

Shared contact details

How many other records in the current FMCSA census report the same phone number or the same physical address as USDOT 666421. Companies share offices, agents and phone lines for ordinary reasons; a match is context to check, not a finding.

Explore these reported cargo categories

Compare declared categories across states.

Check the official record

Data sources and limitations

Monitor this carrier after your review

Use a private workspace to save USDOT 666421, review contact connections and filing observations, and document your team’s decisions. This public page does not include customer notes or approval decisions.

Monitor this carrier →