US · FMCSA ACTIVE
COMMERCIAL ROCK CO INC
Upland, CA 91786 · DOT 1267736 · MC495560
Company profile
Web-discovered · as of 2026-07-30
Commercial Rock Co Inc (operating as part of Holliday Rock Co., Inc.) is a major Southern California construction materials manufacturer. It operates a private fleet to deliver concrete, aggregate, and asphalt.
Fleet use
Private fleet
Operating scope
Local
Service model
own account, dedicated
Equipment
dump, specialized
Ownership
Private
Employees
51-200
HQ · 1401 N Benson Ave, Upland, CA 91786
Active website, 2026 job postings, and Instagram presence confirming operations.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
51
power units · corroborated
Activity
road freight carrier
private licence
In operation since
2004
59 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
0 fatal · 1 injured
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