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SAPPHIRE MATERIALS INC

DBA THOMPSON BUILDING MATERIALS

USDOT 3433333 · MC-565733 · 460 S STOCKTON AVE, RIPON, CA 95366-2747

82Review firstModerate riskVektor risk score · 0–100

Generated August 3, 2026 from the live FMCSA / NHTSA record. Decision support — not an FMCSA safety rating or a recommendation to use or avoid any carrier. Verify authority & insurance before tendering.

Watch · 1

  • No active operating authority — No active common, contract, or broker authority is on file for a for-hire carrier.

In good standing · 2

  • Established 6 years — Operating authority has been on file since 2020.
  • Out-of-service rates below national average — Both vehicle and driver OOS rates beat the national benchmark across 32 inspections.

Identity & authority

Operating status
Active
Common authority
Inactive
Contract authority
None
Broker authority
None
Safety rating
Not rated
Authority age
6 yr
Registered
May 28, 2020
Out-of-service
No
Phone
(209) 599-4543
Email
cvera@thompsoncorp.com
Website
thompsoncorp.com
Address
460 S STOCKTON AVE, RIPON, CA 95366-2747

Fleet

Power units
12
Drivers
7
Observed units
14
Avg fleet age
9.8 yr

Insurance

Auto-liability on file
No
BIPD limit
$300k
Cargo on file
No
Cargo limit
$300k
Bond on file
No
Lapses
1

Safety · trailing 24 months

Vehicle OOS
13.3% (nat'l 22.26%)
Driver OOS
0.0% (nat'l 6.67%)
Inspections
19
Crashes
1
Fatal crashes
0
CSA BASICMeasurePercentileSourceAlert
Unsafe Driving1.2235%Vektor est.
Hours-of-Service00%Vektor est.
Driver Fitness00%Vektor est.
Controlled Substances00%Vektor est.
Vehicle Maintenance0.75%Vektor est.