Diamond Seven Llc is an active interstate carrier based in Surprise, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 7 | 3 | 0 |
| Trailers | 7 | 3 | 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 | 90% | 93% | 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 | 68% | 83% | 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 |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 0 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jun 6, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| May 29, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 25, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Mar 20, 2025 | NC | TRUCK TRACTOR | 1 | 0 |
| Feb 4, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 2.20 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 4.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state CA accounts for 38% of activity. Activity outside home state (AZ): 100%.
+4 other states with fewer inspections
| Unsafe Driving |
| 5 |
| 1 |
| 0 |
| IN |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Jan 11, 2025 | IL | TRUCK TRACTOR | 1 | 0 |
| Sep 30, 2024 | NM | TRUCK TRACTOR | 1 | 2 |
| Jul 26, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Jul 25, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Jul 25, 2024 | CA | TRUCK TRACTOR | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jun 6, 2025 | 39355E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Vehicle Maintenance | — |
| Mar 20, 2025 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |
| Feb 4, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 11, 2025 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |
| Sep 30, 2024 | 39345 | Brake tubing and hose adequacy | Vehicle Maintenance | Yes |
| Jul 26, 2024 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Jul 25, 2024 | 39345 | Brake tubing and hose adequacy | Vehicle Maintenance | Yes |
| Jul 25, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 25, 2024 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| May 16, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |