Copper State Materials Llc (DOT# 4025191) – FMCSA Carrier Profile
doing business as COPPER STATE SITE SERVICES
DOT# 4025191● Active
Updated monthly · 2026-03-09
This carrier is active with no crashes on record.
Copper State Materials Llc is a registered motor carrier with the FMCSA under USDOT number 4025191. The company operates from Williams, AZ and maintains an active operating status with 2 power units and 1 drivers on record.
Safety Rating
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Company Information
Address871 Quarter Horse Rd, Williams, AZ, 86046-9644
Phone(928) 900-3690
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units2(Small carrier)
Drivers1
MCS-150 FiledFebruary 8, 2023
Inspection Summary
All-time Inspections
All-time2
Total
0
OOS
0
Driver OOS
0
Vehicle OOS
2 inspections — relatively low volume, which may indicate a smaller or newer carrier.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. This carrier has a 0% OOS rate — significantly better than the national average of ~21% for vehicles.
Crash History
✅No crashes reported (FMCSA data)
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Frequently Asked Questions
What is USDOT Number 4025191?
USDOT number 4025191 is assigned to Copper State Materials Llc, an active motor carrier registered with the FMCSA, based in Williams, AZ.
How many inspections has Copper State Materials Llc had?
Copper State Materials Llc has recorded 2 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.
Where is Copper State Materials Llc located?
Copper State Materials Llc is headquartered at 871 Quarter Horse Rd, Williams, AZ 86046-9644.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 4025191 · Last updated: 2026-03-09. View official FMCSA record →