Carrier profile · USDOT 660989 · Updated Jul 19, 2026
LONNY CORBIN & SCOTT KNUDSON
DBA C&K CONSTRUCTION
3 power unitsMADISON, SD50/100
AUTHORITY STATUS UNKNOWN
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
- 1122 NE 3RD ST, MADISON, SD, 57042
- Operation
- Interstate
Contact
- Phone
- (605) 256-4749
- Web domain
- sio.midco.net
Registration
- Officers
- Lonny Corbin · Scott Knudson
- USDOT / docket
- 660989
- First registered
- Sep 30, 1996
- Last MCS-150
- Sep 10, 2024 · 20,000 mi (2023)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
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.