Carrier profile · USDOT 270551 · MC-191270 · Updated Jun 13, 2026
Southwest Interstate Transportation Inc
19 power unitsavg 10.4 yrRegional · 3 statesCUMBY, TX88/100
CARRIER ACTIVEMC-191270 ACTIVERATED SATISFACTORY
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
- 3373 FM 499 WEST, CUMBY, TX, 75433
- Mailing address
- PO BOX 589, CUMBY, TX, 75433
- Operation
- Interstate
Contact
- Phone
- (903) 994-4882
- Cell
- (903) 458-2248
- Fax
- (903) 994-2187
- mhasten@switco.com
- Web domain
- switco.com
Registration
- Officers
- Caroll Hasten · Robert Flecker
- USDOT / docket
- 270551 · MC-191270
- First registered
- Mar 26, 1986
- Last MCS-150
- Feb 14, 2025 · 1,339,640 mi (2023)
- FMCSA safety rating
- Satisfactory · Jun 1, 2011
- D-U-N-S
- —
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.