Carrier Vetting Report → states → Maryland
Maryland trucking companies
44,338 active USDOT-registered carriers list a physical address in Maryland. 7,208 hold active motor-carrier operating authority and 289 hold active broker authority. 18,004 operate interstate, 4,379 are hazmat-flagged. Figures from FMCSA files as of 2026-11-01.
full report $49
Fleet sizes
| Power units | Active carriers | Share |
|---|---|---|
| 1 | 27,311 | 62% |
| 2-5 | 13,180 | 30% |
| 6-20 | 3,003 | 7% |
| 21-100 | 704 | 2% |
| 100+ | 140 | 0% |
1,383,793 power units and 239,367 drivers reported on MCS-150 filings across the state.
Cargo carried
Largest fleets based in Maryland
| Carrier | City | Power units | Drivers | USDOT |
|---|---|---|---|---|
| Cowan Systems LLC | Baltimore | 1,882 | 1,882 | 548880 · MC271882 |
| Williams Scotsman Inc dba Willscot | Baltimore | 1,426 | 1,120 | 350040 · MC918177 |
| Faster Inc dba Faster | Brentwwod | 1,392 | 1,000 | 3004376 · MC25762 |
| Thompsongas LLC | Frederick | 1,210 | 787 | 2812287 · MC938205 |
| Chaney Materials LLC dba Chaney Enterprises | Annapolis | 964 | 685 | 186407 |
| Landcare USA LLC dba Landcare | Frederick | 940 | 952 | 867467 |
| Mayor and City Council Ocean City Maryland | Ocean City | 850 | 432 | 929924 |
| Baltimore Gas & Electric Co dba Bge an Exelon Company | Baltimore | 688 | 1,063 | 160257 |
| Apex Companies LLC | Rockville | 604 | 1,112 | 1259442 |
| R E Michel Company | Glen Burnie | 578 | 742 | 261956 |
Cities with the most carriers
Baltimore 4,320 · Silver Spring 1,447 · Frederick 1,079 · Gaithersburg 940 · Laurel 894 · Hyattsville 879 · Glen Burnie 826 · Hagerstown 773 · Upper Marlboro 685 · Rockville 678 · Waldorf 673 · Bowie 593 · Westminster 590 · Annapolis 582 · Pasadena 550
New USDOT registrations in Maryland (last 30 days)
| Registered | Carrier | City | USDOT |
|---|---|---|---|
| 2026-10-30 | Stauffer'S Welding Service LLC | Mechanicsville | 9903462 |
| 2026-10-30 | Pestera Plus LLC | Beltsville | 9891990 |
| 2026-10-30 | Taneytown Construction LLC | Taneytown | 9463106 |
| 2026-10-30 | M&A Towing LLC | Clinton | 8553336 |
| 2026-10-30 | DMV and Beyond | Lothian | 6496924 |
| 2026-10-30 | Critters and Clutter LLC | Lusby | 5532330 |
| 2026-10-29 | Triple G Farm LLC | Harwood | 9781400 |
| 2026-10-29 | Bryan Ramos | Accokeek | 9699268 |
| 2026-10-29 | Reliable Transportation LLC | Rosedale | 8195140 |
| 2026-10-29 | D&W Towing&recovery LLC | Baltimore | 6677811 |
| 2026-10-29 | Treehouse Properties LLC | Annapolis | 6498385 |
| 2026-10-29 | Turn on Service LLC | Hyattsville | 5843556 |
A new registration is not a flag by itself — but a "10-year-old company" whose USDOT number is a month old is worth a phone call to the number on record.
Out-of-service orders, Maryland carriers (last 30 days)
| Ordered | Carrier | Reason | Rescinded |
|---|---|---|---|
| 2026-10-30 | Excel Mechanical Contractors Rosedale | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-27 | Ez Diesel Service LLC Essex | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-26 | B & D Transporting LLC Waldorf | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-26 | Hco Baltimore | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-26 | Price Construction Services Inc Middle River | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-20 | Ladma General Services LLC Beltsville | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | Raymond W Thompson Electrical Contracting L L C Hollywood | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | Heavy Metal Specialized LLC Chesapeake Beach | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | D and W Trucking LLC Baltimore | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | Bwellempire LLC Windsor Mill | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | Lindsey Washington Cheltenham | New Entrant Revoked - Refusal of Audit/No Contact | no |
| 2026-10-19 | Dave Briguglio LLC Ridgely | New Entrant Revoked - Refusal of Audit/No Contact | no |
Neighboring states
Check any Maryland carrier with the free DOT / MC lookup, read how to check a carrier before tendering, or browse carriers by cargo type and every state.
Source: FMCSA Company Census, Licensing & Insurance, and Out-of-Service files via data.transportation.gov. Methodology.