Dos LLC
USDOT 4363551 · MC-1707941 · Mount Prospect, Illinois · Interstate for-hire carrier · 100–249 power units
Dos LLC is a company based in Mount Prospect, Illinois, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 100 power units and 100 drivers, which ranks it #438 by fleet size among 1,090 active for-hire carriers with 50+ power units headquartered in Illinois. In the 24 months to Sep 24, 2026 its trucks were inspected 19 times – about 0.2 inspections per power unit. 20.0% of vehicle inspections and 10.5% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records no reportable crashes for this carrier in the last 24 months. Its registered cargo types are general freight.
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Registration and contact
| Legal name | Dos LLC |
|---|---|
| DBA name | — |
| USDOT number | 4363551 |
| Operating authority (docket) | MC-1707941 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | — |
| Physical address | 2329 S Cannon Dr Apt C2, Mount Prospect, IL 60056 |
| Phone | (224) 938-6848 |
| First registered | Feb 18, 2025 |
| Last MCS-150 update | Oct 28, 2026 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 4363551.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 100 | 0 | 0 |
| Trailers | 0 | 1 | 1 |
- 1.00 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 0.0 trailers per tractor.
- 982,671 miles reported for 2026 – about 9,827 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 98% of listed equipment is owned rather than leased.
- 100 CDL drivers; 100 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and Illinois carriers with 50+ units (1,090).
| Measure | Dos LLC | Same size, US | IL average | |
|---|---|---|---|---|
| Small sample: fewer than 20 vehicle or driver inspections, so rates can swing a lot with one inspection. | ||||
| Vehicle out-of-service rate | 20.0% | 18.8% | 22.2% | about average |
| Driver out-of-service rate | 10.5% | 2.6% | 2.9% | 303% higher than average |
| Crashes per 100 power units | 0.0 | 4.5 | 5.7 | none recorded |
| Inspections | 19 | 19 with a driver check, 10 with a vehicle check, 9 BASIC violations recorded | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Similar carriers in Illinois
Closest fleet size and cargo mix among Illinois carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| All State Enterprise Inc USDOT 1878257 | East Dundee | 100 | 90 | 272 | 32.3% | 12 |
| Safe Line Inc USDOT 2475463 | Wheeling | 100 | 100 | 165 | 25.0% | 2 |
| Truckstar Inc USDOT 2589709 | Willowbrook | 100 | 100 | 198 | 16.4% | 6 |
| DNC Transportation Inc USDOT 3114701 | Aurora | 100 | 100 | 175 | 31.9% | 13 |
| Star BG Inc USDOT 3828032 | Countryside | 100 | 100 | 255 | 16.5% | 10 |
| Max Power Trans Inc USDOT 3841838 | Barrington | 100 | 50 | 35 | 10.5% | 4 |
Other carriers near Mount Prospect
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| WWH Inc USDOT 2954205 | Mount Prospect | 324 | 324 | 284 | 26.2% | 12 |
| Red Arrow Express LLC USDOT 2377617 | Mount Prospect | 279 | 279 | 77 | 10.8% | 5 |
| Bia Group LLC USDOT 2566955 | Mount Prospect | 254 | 142 | 323 | 23.5% | 8 |
| MLC Carrier Inc USDOT 2728272 | Mount Prospect | 186 | 216 | 550 | 33.1% | 25 |
| Whimsy Inc USDOT 653783 | Mount Prospect | 142 | 142 | 138 | 25.6% | 6 |
| Dos Cargo Inc USDOT 4236189 | Mount Prospect | 140 | 80 | 141 | 28.4% | 5 |
| Hally Express Inc USDOT 3148149 | Mount Prospect | 96 | 105 | 335 | 20.2% | 17 |
| Mavric Trucking Inc USDOT 1226650 | Mount Prospect | 70 | 35 | 84 | 43.6% | 2 |
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FAQ
What is the USDOT number of Dos LLC?
Dos LLC is registered with USDOT number 4363551 and operating authority MC-1707941.
How many trucks does Dos LLC have?
It reports 100 power units (100 tractors, 0 straight trucks) and 2 trailers, with 100 drivers, on its last MCS-150 update (Oct 28, 2026).
Where is Dos LLC located?
Its registered physical address is in Mount Prospect, Illinois 60056.
What is the out-of-service rate of Dos LLC?
Over 24 months, 20.0% of vehicle inspections and 10.5% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.