US · FMCSA ACTIVE AUTHORITY INSURED
EXTREME MATERIALS INC
dba KNIGHTS TRUCKING
Summerville, SC 29483 · DOT 1905971 · MC699110
Company profile
Web-discovered · as of 2026-07-30
Summerville, SC-based trucking division of Knight's Companies (operating under Extreme Materials Inc), specializing in transporting sand, gravel, and construction materials via dump trucks.
Fleet use
For-hire freight
Operating scope
Regional
Service model
dedicated
Equipment
dry van
Ownership
Private
part of Knight's Companies
HQ · 480 Hodge Rd Building 5, Summerville, SC 29483
Active FMCSA registration (USDOT 1905971) and website listing for Knight's Trucking division, last updated 2025/2026.
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
38
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
2009
38 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
Active
Insurance on file
Yes (BIPD)
Zurich American Insurance Company · $1,000,000
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
Data Services
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