Carrier profile · USDOT 1905971 · MC-699110 · Updated Jul 18, 2026
EXTREME MATERIALS INC
DBA KNIGHTS TRUCKING
38 power unitsavg 5 yrLocal · 2 statesSUMMERVILLE, SC80/100
CARRIER ACTIVEMC-699110 ACTIVE
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
- 480 HODGE ROAD, SUMMERVILLE, SC, 29483
- Mailing address
- PO BOX 3408, SUMMERVILLE, SC, 29484
- Operation
- Interstate
Contact
- Phone
- (843) 821-7600
- Web domain
- knightscompanies.com
Registration
- Officers
- Thad Wharton · Michael B Knight
- USDOT / docket
- 1905971 · MC-699110
- First registered
- Jun 23, 2009
- Last MCS-150
- Feb 10, 2025 · 2,143,000 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- 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.