Carrier profile · USDOT 62305 · MC-136832 · Updated Jun 13, 2026
Southern Idaho Transport Inc
25 power unitsTWIN FALLS, ID50/100
CARRIER INACTIVEMC-136832 INACTIVERATED 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
- 282 SOUTH PARK AVE W, TWIN FALLS, ID, 83301
- Mailing address
- PO BOX 1568, TWIN FALLS, ID, 83303-1568
- Operation
- Interstate
Contact
- Phone
- (208) 734-9337
- Cell
- (208) 420-4361
- Fax
- (208) 734-9339
- sit@sitestar.net
- Web domain
- sitestar.net
Registration
- Officers
- Harold Caldwell · Roberta Vonweller
- USDOT / docket
- 62305 · MC-136832
- First registered
- Jun 1, 1974
- Last MCS-150
- Jul 28, 2011 · 1,132,793 mi (2009)
- FMCSA safety rating
- Satisfactory · Aug 20, 2001
- D-U-N-S
- 61466579
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.