US · FMCSA ACTIVE AUTHORITY INSURED
HI GRADE MATERIALS CO
Hesperia, CA 92345 · DOT 478361 · MC661249
Company profile
Web-discovered · as of 2026-07-30
Hesperia, CA-based ready-mix concrete manufacturer and supplier of aggregates. Operates a fleet of mixer trucks to deliver concrete for residential, commercial, and government construction projects across the Victor Valley and surrounding regions. Founded early 1970s.
Fleet use
For-hire freight
Operating scope
Regional
Service model
dedicated
Equipment
dump
Ownership
Private
Employees
51-200
HQ · 17671 Bear Valley Rd, Hesperia, CA 92345, US
Active website, recent social posts, and job openings (2026).
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
140
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
1992
100 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-08
Operating authority
Active
Insurance on file
Yes (BIPD)
min cover $750k
Out of service
No
Safety rating
SATISFACTORY
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