Carrier profile · USDOT 475677 · Updated Jun 13, 2026
Calvin Mays Oilfield Services Inc
29 power unitsavg 12.3 yrLocal · 1 statesGUTHRIE, OK50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 201 W COUNTY RD 72, GUTHRIE, OK, 73044-9737
- Operation
- Intrastate (Non-Hazmat)· Hazmat
Contact
- Phone
- (405) 282-6664
- Cell
- (405) 620-2881
- Fax
- (405) 282-6695
- Web domain
- maysoilfieldservices.com
Registration
- Officer
- Denna M Mays
- USDOT / docket
- 475677
- First registered
- Mar 25, 1992
- Last MCS-150
- Jan 9, 2026 · 316,679 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 96144910
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.