SAPPHIRE MATERIALS INC
USDOT 3433333 · Doing business as THOMPSON BUILDING MATERIALS
Active, intrastate (non-hazmat) carrier, small fleet (12 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate10% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 3433333 |
|---|---|
| MC Number | MC-565733 |
| Legal Name | SAPPHIRE MATERIALS INC |
| DBA Name | THOMPSON BUILDING MATERIALS |
| Entity Type | — |
| Phone | 2095994543 |
| Address | 460 S STOCKTON AVE, Ripon, CA, 95366-2747 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 20 |
|---|---|
| Out-of-Service Rate | 10% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2025-01-22 — CA — towaway
- 2023-07-21 — CA — towaway
Most frequent violation categories: 30 (7), 51 (6), 20 (3).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 12 |
|---|---|
| Drivers | 7 |
| Recent Annual Mileage | — |
| Last MCS-150 Filing | 05-MAR-25 |
SAPPHIRE MATERIALS INC operates 12 power units — a larger fleet than 97% of carriers registered in CA.
Nearby
Other carriers in Ripon, CA
- DJS CRANE LLC — USDOT 3442218, 12 power units
- DINO G ARNAUDO — USDOT 3254016, 3 power units
- LUIS M GARCIA TRUCKING LLC — USDOT 3531390, 2 power units
- AFFORDABLE ROOF SUPPLY — USDOT 3533762, 2 power units
- REYES TRANSPORT SOLUTIONS LLC — USDOT 3574933, 2 power units
Browse all carriers in Ripon, CA or all CA carriers.