Carrier profile · USDOT 568126 · Updated Jun 13, 2026

Southwest Materials Inc

15 power unitsOZARK, MO50/100
AUTHORITY STATUS UNKNOWNUNDELIVERABLE ADDRESS
Verified linksFMCSA 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.

Undeliverable physical address on the FMCSA record

USPS flagged this carrier's filed physical address as undeliverable — a common chameleon / shell signal. Confirm a working address before tendering.

Location

Mailing address
P O BOX 666, OZARK, MO, 65721
Operation
Interstate

Contact

Fax
(417) 581-5367
Email

Registration

Officers
Bob Simmons · Harles Simmons
USDOT / docket
568126
First registered
Jul 6, 1994
Last MCS-150
Oct 1, 2009 · 230,000 mi (2005)
FMCSA safety rating
Not rated
D-U-N-S

Fleet (self-reported · MCS-150)

15Power units
12Drivers
12CDL drivers
230,000Annual 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.