DBA: Thompson Building Materials
Sapphire Materials Inc is an active intrastate non-hazmat carrier based in Ripon, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 12 | 0 | 0 |
| Trailers | 11 | 0 | 0 |
| Total Power Units | 12 | ||
Distinct vehicles · 24 mo
vs 12 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 81% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 49% | 84% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 | 1 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 25, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 13, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 3, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Dec 18, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jun 13, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.22 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 7 | 1.16 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| Unsafe Driving |
| 2 |
| 0 |
| 0 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Jun 12, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jun 6, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 26, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 4, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Dec 26, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 3, 2026 | 3922SLIMPT | State/Local Laws - General impeding traffic. | Unsafe Driving | — |
| Dec 6, 2024 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Dec 6, 2024 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Sep 9, 2024 | 3939BRKLAMP | Inoperative Brake Lamps | Vehicle Maintenance | Yes |
| Aug 14, 2024 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Jul 16, 2024 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Jun 10, 2024 | 393104B | Damaged securement system/tiedowns | Vehicle Maintenance | Yes |
| May 30, 2024 | 3929A1 | Failing to secure cargo as specified in 49 CFR 393.100 through 393.142 | Vehicle Maintenance | Yes |
| May 14, 2024 | 39311TT | Truck-Tractor with No retroreflective sheeting or reflex reflective material on vehicle manufactured after July 1997 | Vehicle Maintenance | — |
| May 3, 2024 | 39343 | No/improper breakaway or emergency braking | Vehicle Maintenance | — |