Miller Supply Inc is an active intrastate non-hazmat carrier based in Rancho Santa Margarita, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 10 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 89% | 95% | Worse than most peers |
| HOS Compliance | 81% | 94% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 56% | 85% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 13 | 2 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 3, 2026 | CA | STRAIGHT TRUCK | 2 | 1 |
| Jan 28, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 27, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 13, 2026 |
Temp Power Systems
No alertsRancho Santa Margarita, CA · 8 units
Applied Medical Resources Corporation
No alertsRancho Santa Margarita, CA · 7 units
Source Power Services Of Ca Inc
No alertsRancho Santa Margarita, CA · 13 units
Costera Waste & Environmental Inc
No alertsRancho Santa Margarita, CA · 6 units
Dependable Petroleum Products Inc
No alertsRancho Santa Margarita, CA · 6 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 2.86 | — |
| HOS Compliance | 1 | 0.39 | — |
| Vehicle Maintenance | 8 | 1.65 | — |
| 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 | 4 | 2 | 0 |
| Hours-of-Service Compliance | 1 | 1 | 1 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Jan 2, 2026 | CA | STRAIGHT TRUCK | 2 | 0 |
| Dec 18, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 2, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Nov 25, 2025 | CA | STRAIGHT TRUCK | 2 | 1 |
| Nov 18, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | 3922SLLHOS | State/Local Laws - State/Local Hours of Service | Hours-of-Service Compliance | Yes |
| Mar 3, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jan 2, 2026 | 3939BLRLO | Lighting - Tail lamp - Any obstructed. | Vehicle Maintenance | — |
| Jan 2, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 2, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Nov 25, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 25, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Oct 30, 2025 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Oct 17, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Jun 11, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |