HI GRADE MATERIALS CO

Authority active

USDOT 478361 · MC661249 · HESPERIA, CA

HI GRADE MATERIALS CO (USDOT 478361, MC MC661249) is a motor carrier based in HESPERIA, CA. This page provides comprehensive safety information, inspection history, authority status, and compliance data for HI GRADE MATERIALS CO.

Quick Facts

Legal Name:: HI GRADE MATERIALS CO
USDOT Number:: 478361
MC Number:: MC661249
Authority Status:: Active
Power Units:: 140
Location:: HESPERIA, CA

Insurance filing

Unknown

USDOT registration

USDOT active

Fleet size

140 power units

100 drivers

Safety record

Rolling 24 months

inspections

with violations

violations

13.5%

vehicle out of service

driver out of service

FMCSA safety scores through Jun 2026

Unsafe driving
No violations
Hours of service
No violations
Vehicle maintenance
54.0%

worse than 54% of 18,751 similar carriers
Driver fitness
No violations
Controlled substances
No violations

Recent inspections

Aug 19, 2026CAUCZ9002744Violations recorded1 violation

Aug 19, 2026CAUDO8004968Violations recorded3 violations

Jul 28, 2026CAUDMC004031Violations recorded4 violations

Jul 23, 2026CANBQ4003053Violations recorded2 violations

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Apr 8, 1992

MCS-150 mileage

3,743,484 mi

Mileage year

2025

Reported cargo

No cargo classifications reported.