Simpson Unlimited 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 | 4 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 98% | 98% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 86% | 91% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 73% | 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 | 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 | 14 | 5 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 3, 2025 | MD | STRAIGHT TRUCK | 1 | 0 |
| Nov 6, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Nov 4, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Aug 25, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Aug 11, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 7.33 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 1.90 | — |
| Driver Fitness | 1 | 0.04 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state MD accounts for 89% of activity. Activity outside home state (VA): 89%.
| Unsafe Driving | 5 | 1 | 0 |
| Driver Fitness | 1 | 0 | 0 |
| MD |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Jun 19, 2025 | MD | STRAIGHT TRUCK | 1 | 0 |
| Jun 17, 2025 | VA | STRAIGHT TRUCK | 0 | 0 |
| May 12, 2025 | MD | STRAIGHT TRUCK | 1 | 1 |
| Apr 30, 2025 | MD | STRAIGHT TRUCK | 4 | 0 |
| Sep 26, 2024 | MD | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 3, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 11, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Jun 19, 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 | — |
| May 12, 2025 | 39341BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | Yes |
| Apr 30, 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 | — |
| Apr 30, 2025 | 39395A3 | Emergency Equipment - Fire Extinguishers - no visual indicator | Vehicle Maintenance | — |
| Apr 30, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Apr 30, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Sep 26, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Sep 3, 2024 | 39141A1NPH | Operating a property-carrying vehicle without possessing a valid medical certificate - no previous history | Driver Fitness | — |