Carrier profile · USDOT 1605061 · MC-593622 · Updated Jul 29, 2026

SOUTHERN INTERMODAL XPRESS LLC

DBA SOUTHERN INTERMODAL XPRESS

152 power unitsavg 10.8 yrRegional · 4 statesMOBILE, AL74/100
CARRIER ACTIVEMC-593622 ACTIVEHAZMAT
Verified linkssixllc.netFMCSA SAFER

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
PO BOX 929, MOBILE, AL, 36601
Operation
Interstate· Hazmat

Contact

Fax
(251) 438-4749
Web domain
sixllc.net

Registration

Officers
Alishia Rivers · John Stimpson
USDOT / docket
1605061 · MC-593622
First registered
Feb 7, 2007
Last MCS-150
Dec 5, 2025 · 5,485,000 mi (2025)
FMCSA safety rating
Not rated
Recordable crash rate
0.00
D-U-N-S

Fleet (self-reported · MCS-150)

152Power units
142Drivers
142CDL drivers
5,485,000Annual 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.