Diamond'S Management Group Inc is an active interstate carrier based in Manassas, VA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 14 | 0 | 0 |
| Trailers | 9 | 0 | 0 |
| Total Power Units | 14 | ||
Distinct vehicles · 24 mo
vs 14 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 71% | 89% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 86% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 64% | 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 |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 5 | 3 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 6, 2026 | MD | STRAIGHT TRUCK | 1 | 0 |
| Feb 19, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Feb 12, 2026 | VA | STRAIGHT TRUCK | 0 | 0 |
| Dec 12, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Oct 29, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.33 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 3.20 | — |
| Driver Fitness | 1 | 0.48 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state VA accounts for 58% of activity. Activity outside home state (VA): 42%.
| Driver Fitness | 1 | 0 | 1 |
| Unsafe Driving | 1 | 1 | 0 |
| VA |
| STRAIGHT TRUCK |
| 1 |
| 1 |
| Oct 27, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Apr 9, 2025 | MD | STRAIGHT TRUCK | 3 | 1 |
| Feb 27, 2025 | VA | STRAIGHT TRUCK | 0 | 0 |
| Feb 19, 2025 | VA | STRAIGHT TRUCK | 0 | 0 |
| Dec 11, 2024 | VA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 6, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 29, 2025 | 39111B4 | Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or | Driver Fitness | Yes |
| Apr 9, 2025 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Apr 9, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Apr 9, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Dec 5, 2024 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Aug 12, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |