Mills Truck & Tractor Service Inc (DOT# 831979) – FMCSA Carrier Profile
DOT# 831979● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Mills Truck & Tractor Service Inc is a registered motor carrier with the FMCSA under USDOT number 831979. The company operates from Sand Springs, OK and maintains an active operating status with 15 power units and 6 drivers on record.
Safety Rating
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Company Information
Address4507 N State Hwy 97, Sand Springs, OK, 74063
Phone(918) 855-0537
Emaildigit2ok@aol.com
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units15(Medium carrier)
Drivers6
MCS-150 FiledSeptember 12, 2025
Annual Mileage500,000 mi (2025)
Inspection Summary
All-time Inspections
All-time10
Total
2
OOS
0
Driver OOS
2
Vehicle OOS
10 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. 20.0% — approaching the national vehicle OOS average of ~21%.
Crash History
Crash Records
All-time1
Total
0
Fatal
0
Injuries
0
Tow-Away
1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.
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Frequently Asked Questions
What is USDOT Number 831979?
USDOT number 831979 is assigned to Mills Truck & Tractor Service Inc, an active motor carrier registered with the FMCSA, based in Sand Springs, OK.
How many inspections has Mills Truck & Tractor Service Inc had?
Mills Truck & Tractor Service Inc has recorded 10 total inspections with 2 out-of-service orders, representing an OOS rate of 20.00%.
Where is Mills Truck & Tractor Service Inc located?
Mills Truck & Tractor Service Inc is headquartered at 4507 N State Hwy 97, Sand Springs, OK 74063.
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# 831979 · Last updated: 2026-03-09. View official FMCSA record →