EXTREME MATERIALS INC

Authority active

dba KNIGHTS TRUCKING · USDOT 1905971 · MC699110 · SUMMERVILLE, SC

EXTREME MATERIALS INC (USDOT 1905971, MC MC699110) is a motor carrier based in SUMMERVILLE, SC. This page provides comprehensive safety information, inspection history, authority status, and compliance data for EXTREME MATERIALS INC.

Quick Facts

Legal Name:: EXTREME MATERIALS INC
USDOT Number:: 1905971
MC Number:: MC699110
Authority Status:: Active
Power Units:: 38
Location:: SUMMERVILLE, SC

Insurance filing

Unknown

USDOT registration

USDOT active

Fleet size

38 power units

38 drivers

Safety record

Rolling 24 months

inspections

with violations

125

violations

7.4%

vehicle out of service

driver out of service

FMCSA safety scores through Jun 2026

Unsafe driving
2.7%

worse than 3% of 28,371 similar carriers
Hours of service
No violations
Vehicle maintenance
67.8%

worse than 68% of 21,555 similar carriers
Driver fitness
No violations
Controlled substances
No violations

Recent inspections

Aug 25, 2026SC0412000815No violations foundClear

Jul 16, 2026SC0349003449Violations recorded1 violation

Jul 15, 2026SC0340002901Violations recorded1 violation

Jul 15, 2026SC0408000980Violations recorded4 violations

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Jun 23, 2009

MCS-150 mileage

2,143,000 mi

Mileage year

2025

Reported cargo

No cargo classifications reported.