Carrier profile · USDOT 506308 · MC-258822 · Updated Jul 18, 2026
Bill Polkinhorn Incorporated
DBA GOLDEN WEST TRANSPORT
12 power unitsavg 11.9 yrRegional · 5 statesCALEXICO, CA100/100
CARRIER ACTIVEMC-258822 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
- 2401 PORTICO BLVD, CALEXICO, CA, 92231
- Mailing address
- PO BOX 1508, CALEXICO, CA, 92232
- Operation
- Interstate
Contact
- Phone
- (760) 890-8721
- Web domain
- polkinhorn.us
Registration
- Officers
- Raymundo Mancillas · William Polkinhorn
- USDOT / docket
- 506308 · MC-258822
- First registered
- Dec 7, 1992
- Last MCS-150
- Feb 25, 2026 · 500,000 mi (2025)
- FMCSA safety rating
- Satisfactory · Mar 20, 2007
- D-U-N-S
- 43652213
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.