US · FMCSA ACTIVE
SAPPHIRE MATERIALS INC
dba THOMPSON BUILDING MATERIALS
Ripon, CA 95366-2747 · DOT 3433333 · MC565733
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
12
power units · corroborated
Activity
road freight carrier
for hire licence
In operation since
2020
7 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
min cover $300k
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
Data Services
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