Carrier profile · USDOT 199727 · Updated Jun 13, 2026

Southwestern Scale Company Inc

26 power unitsavg 5.7 yrRegional · 3 statesPHOENIX, AZ50/100
AUTHORITY STATUS UNKNOWNRATED 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

Mailing address
PO BOX 8760, PHOENIX, AZ, 85066-8760
Operation
Interstate

Contact

Fax
(602) 243-0435
Web domain
swscale.com

Registration

Officer
Roger Dumont
USDOT / docket
199727
First registered
Jun 1, 1974
Last MCS-150
Jul 14, 2025 · 460,747 mi (2024)
FMCSA safety rating
Satisfactory · Jul 10, 1991
D-U-N-S
35926484

Fleet (self-reported · MCS-150)

26Power units
40Drivers
24CDL drivers
460,747Annual 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.