FMCSA Carrier Profile
CALVIN MAYS OILFIELD SERVICES INC
Owner / Officer: Denna M Mays
Active
No Safety Rating
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
1st pct · 3 inspections on record
✓ No risk flags found on authority or insurance records
Vetting Notes
CALVIN MAYS OILFIELD SERVICES INC is an active FMCSA-registered motor carrier based in Guthrie, Oklahoma, operating under DOT 475677. No high-severity flags were found on authority or insurance records. Across 3 FMCSA inspections on record, this carrier shows 0.0% vehicle OOS and 0.0% driver OOS. Authority and safety history are clean as of this page's last update.
FMCSA Registration
DOT Number
475677
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
January 9, 2026
FMCSA Registration
March 25, 1992
Annual Mileage
316,679 mi (2025)
Contact Information
Address
201 W County Rd 72, Guthrie, OK 73044-9737
Phone
Email
Owner / Officer
Denna M Mays
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Safety Percentile
1st percentile
vs. peer carriers
✓ Below FMCSA alert threshold (65th pct) · lower percentile = fewer violations than peers · source: FMCSA SMS
Safety & Inspection Summary
Total Inspections
3
Driver Inspections
2
Vehicle Inspections
2
Total OOS Orders
Violations by Category
Vehicle Maintenance2
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2026
2025
2024
Inspection Records (3)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| August 22, 2025 | OK | Level I — Full | GMC · 1GD42VCY8HF173585 | 0 | Clean |
| June 11, 2024 | OK | Level III — Driver Only | FRHT · 1FUJALDE76DV14513 | 0 | Clean |
| June 3, 2026 | OK | Level II — Walk-Around | FRHT · 1FUJALDE76DV14513 | 2 | Passed |
Other Carriers in Guthrie, OK
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 5, 2026.
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