Carrier profile · USDOT 136555 · MC-80252 · Updated Aug 12, 2026
Southwestern Motor Transport Inc
DBA SMT LINES
288 power unitsavg 8.1 yrMulti-region · 11 statesSAN ANTONIO, TX70/100
BROKER AUTHORITY ACTIVEMC-80252 BROKER ACTIVERATED 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
- Physical address
- 4600 GOLDFIELD, SAN ANTONIO, TX, 78218
- Operation
- Interstate· Hazmat
Contact
- Phone
- (210) 661-6791
- Fax
- (210) 662-2395
- smtlfmcsa@smtl.com
- Web domain
- smtl.com
Registration
- Officers
- Michael Mangold · Orsum Walker
- USDOT / docket
- 136555 · MC-80252
- First registered
- Jun 1, 1974
- Last MCS-150
- May 7, 2025 · 16,020,000 mi (2024)
- FMCSA safety rating
- Satisfactory · Nov 5, 2015
- D-U-N-S
- 38644
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.