Dos Llc is an active interstate carrier based in Mount Prospect, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 37 | 0 | 0 |
| Tractors | 5 | 32 | 0 |
| Trailers | 0 | 37 | 1 |
| Total Power Units | 37 | ||
Distinct vehicles · 24 mo
vs 37 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 96% | 95% | Worse than most peers |
| Driver Fitness | 92% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 38% | 80% | 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 | 2 | — | 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 |
|---|---|---|---|
| Hours-of-Service Compliance | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | AZ | TRUCK TRACTOR | 1 | 1 |
| Feb 28, 2026 | NV | TRUCK TRACTOR | 2 | 1 |
| Feb 20, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Feb 17, 2026 | MT | TRUCK TRACTOR | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 4 | 1.28 | — |
| Vehicle Maintenance | 3 | 2.62 | — |
| Driver Fitness | 1 | 0.71 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state WA accounts for 43% of activity. Activity outside home state (IL): 93%.
+4 other states with fewer inspections
| 1 |
| Vehicle Maintenance | 4 | 1 | 2 |
| Driver Fitness | 1 | 1 | 1 |
| Feb 1, 2026 | WA | TRUCK TRACTOR | 0 | 0 |
| Jan 26, 2026 | WA | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | WA | TRUCK TRACTOR | 2 | 1 |
| Dec 28, 2025 | WA | TRUCK TRACTOR | 1 | 0 |
| Dec 23, 2025 | TN | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Feb 28, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | Yes |
| Feb 28, 2026 | 39524DELDPT | HOS (ELD) - On request by an authorized safety official a driver must produce and transfer from an ELD the driver's hours of service records in accordance with t | Hours-of-Service Compliance | — |
| Feb 20, 2026 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Feb 20, 2026 | 39522H4 | Driver failed to maintain supply of blank drivers records of duty status graph-grids | Hours-of-Service Compliance | — |
| Jan 13, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Jan 13, 2026 | 3963A1BALR | Air Brake - Fails air loss rate test | Vehicle Maintenance | Yes |
| Dec 28, 2025 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Dec 10, 2025 | 39111B5LNCDLNVL | License - Operate a CMV without a valid operators license issued by one State or jurisdiction | Driver Fitness | Yes |