Carrier profile · USDOT 176925 · MC-301379 · Updated Jun 13, 2026

Transportation Management Corporation

DBA INTERSTATE TOWING & TRANSPORT SERVICES

16 power unitsPHOENIX, AZ50/100
CARRIER INACTIVEMC-301379 INACTIVERATED SATISFACTORYHAZMAT

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

Mailing address
P O BOX 20486, PHOENIX, AZ, 85036
Operation
Interstate· Hazmat

Contact

Fax
(602) 254-7010
Web domain
qwestoffice.net

Registration

Officers
Tim Eldridge · William Gruewell
USDOT / docket
176925 · MC-301379
First registered
Jun 1, 1974
Last MCS-150
Feb 10, 2021 · 1 mi (2019)
FMCSA safety rating
Satisfactory · Mar 1, 2002
D-U-N-S

Fleet (self-reported · MCS-150)

16Power units
12Drivers
12CDL drivers
1Annual mileage

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.