Trucking companies in Maryland: carrier directory
Research trucking companies in Maryland using reported FMCSA locations and fleet information.
Know when a trucking company’s details change.
Monitor authority, insurance filings, safety ratings and contact details with daily checks and notifications.
Search the state census records
Leave the name blank to browse all records in USDOT order, then use Next 20 records. Or search by the beginning of a legal company name or an exact USDOT number. City uses the reported physical address, not a service area. Company-name and USDOT searches share the 3 free searches per day across all tools. Each search result page counts. Leave the company field blank to browse without using this allowance.
Selected census records in Maryland
Stable USDOT-based sample, 1 to 100 power units| Carrier | USDOT | Power units |
|---|---|---|
| ELITE LIMOUSINE LLCGambrills, MD | 2387354 | 1 |
| L D ROOFING SERVICES INCWheaton, MD | 752608 | 1 |
| LONE STAR BUILDERS INCHagerstown, MD | 1602413 | 1 |
| LEGACY CONTRACTING INCWestminster, MD | 1130758 | 5 |
| REDTAIL GROUP LLCGambrills, MD | 2401759 | 1 |
Carriers based in Maryland, from CarrierTrail’s daily imports of public FMCSA data, as of Oct 29, 2026.
Largest trucking companies in Maryland
Active carriers based in Maryland, ranked by the power units they report on their MCS-150. A fleet over 20 power units is listed only when the drivers it reports support that size, and over 100 only when roadside inspections have also recorded at least 5% of it by VIN.
Top 10 by power units
Active records| Company | USDOT | Power units |
|---|---|---|
| COWAN SYSTEMS LLCBaltimore | 548880 | 1,882 |
| WILLIAMS SCOTSMAN INCBaltimore | 350040 | 1,426 |
| THOMPSONGAS LLCFrederick | 2812287 | 1,210 |
| CHANEY MATERIALS LLCAnnapolis | 186407 | 964 |
| BALTIMORE GAS & ELECTRIC COBaltimore | 160257 | 688 |
| APEX COMPANIES LLCRockville | 1259442 | 604 |
| R E MICHEL COMPANYGlen Burnie | 261956 | 578 |
| GRIFFITH ENERGY SERVICES INCColumbia | 910045 | 528 |
| RUPPERT LANDSCAPE INCLaytonsville | 848269 | 480 |
| SODEXO OPERATIONS LLCNorth Bethesda | 4429105 | 409 |
New trucking companies in Maryland
Newest registrations
Active records, most recent first| Company | USDOT | Registered |
|---|---|---|
| FELIX GENERAL WORKS INC.Gaithersburg | 5168581 | Oct 26, 2026 |
| C-CUBED CONTRACTING LLCOwings Mills | 5495070 | Oct 26, 2026 |
| DUMPLIN TRUCKING, LLCCalifornia | 5835540 | Oct 26, 2026 |
| REDEEMING LAWNSHagerstown | 5915851 | Oct 26, 2026 |
| MTA TRANSPORTATION LLCBowie | 6185732 | Oct 26, 2026 |
| JM LANDSCAPING SERVICES LLCMillersville | 6822427 | Oct 26, 2026 |
| CADATA GENERAL SERVICES LLCCrownsville | 7689166 | Oct 26, 2026 |
| ONWARD BOUND LOGISTICSSevern | 7706711 | Oct 26, 2026 |
| GOD WORK FREIGHT TRANSPORT LLCEssex | 8252244 | Oct 26, 2026 |
| SHORT SIGNS LLCNorth East | 8262075 | Oct 26, 2026 |
Freight brokers in Maryland
1,793 active records registered as a broker (4.0% of active census records in Maryland).
Longest-registered brokers
Active records| Company | USDOT | Registered |
|---|---|---|
| MARDEL TRUCKING COMPANY INCNorth East | 45593 | Jun 1974 |
| KOSKI TRUCKING INCHurlock | 45614 | Jun 1974 |
| FOX TRUCKING INCEaston | 51518 | Jun 1974 |
| CRANE SERVICE COMPANY INCUpper Marlboro | 84219 | Jun 1974 |
| COWAN LOGISTICS LLCBaltimore | 84386 | Jun 1974 |
| B VON PARIS & SONS INCSavage | 88613 | Jun 1974 |
| RICHARD B RUDY INCFrederick | 94574 | Jun 1974 |
| NAGEL FARM SERVICES INCPreston | 135048 | Jun 1974 |
| D M BOWMAN INCWilliamsport | 135530 | Jun 1974 |
| SUPERIOR TRANSFER INCBaltimore | 163637 | Jun 1974 |
Hazmat carriers in Maryland
4,382 active records with the hazmat indicator set (9.9% of active census records in Maryland).
Largest hazmat fleets
Active records| Company | USDOT | Power units |
|---|---|---|
| COWAN SYSTEMS LLCBaltimore | 548880 | 1,882 |
| THOMPSONGAS LLCFrederick | 2812287 | 1,210 |
| BALTIMORE GAS & ELECTRIC COBaltimore | 160257 | 688 |
| R E MICHEL COMPANYGlen Burnie | 261956 | 578 |
| GRIFFITH ENERGY SERVICES INCColumbia | 910045 | 528 |
| D M BOWMAN INCWilliamsport | 135530 | 265 |
| COWAN INTERMODAL GROUP LLCBaltimore | 215194 | 239 |
| THE POTOMAC EDISON COMPANYWilliamsport | 7527 | 225 |
| GRAY & SON INCTimonium | 988991 | 204 |
| DENISON LANDSCAPING INCFt Washington | 427058 | 175 |
Passenger carriers in Maryland
1,766 active records that list passengers as cargo (4.0% of active census records in Maryland).
Largest passenger fleets
Active records| Company | USDOT | Power units |
|---|---|---|
| BALTIMORE GAS & ELECTRIC COBaltimore | 160257 | 688 |
| ENTERPRISE RAC COMPANY OF MARYLAND LLCRockville | 1880016 | 370 |
| AUI INCElkton | 2021768 | 202 |
| WOODLAWN MOTOR COACH INCBaltimore | 270798 | 198 |
| CAPITAL LIGHTING AND SUPPLY INCUpper Marlboro | 341782 | 155 |
| INTERIOR SPECIALISTS INCWhite Marsh | 1031324 | 138 |
| CJ MILLER LLCHampstead | 335900 | 131 |
| ERRANDS PLUS INCRockville | 1424655 | 131 |
| MBG ENTERPRISES INCHarmans | 1126119 | 130 |
| CHESAPEAKE CHARTER INCAnnapolis | 350703 | 121 |
Fleet makeup in Maryland
Equipment and drivers that active carriers based in Maryland report on their MCS-150.
The median uses the 12,517 active carriers whose MCS-150 mileage is from the last two years and plausible for their fleet size.
Roadside inspections of Maryland carriers
Inspections of carriers based in Maryland in FMCSA’s public file, Sep 25, 2024 to Sep 24, 2026. All carriers: driver 6.2%, vehicle 22.9%.
What to check before booking a carrier
Confirm the USDOT identity, then review current official authority and insurance sources for the company and your proposed move. CarrierTrail’s private workspace lets a broker save the record, document its own decision and follow later source observations.
Carrier-vetting checklist → · Definitions and methodology → · All state directories →
All published Maryland carrier profiles
1,018 A to ZExplore city carrier directories in Maryland
Counts cover census records with a reported physical location in Maryland, including inactive and other census entities. It is a research starting point, not a list of approved carriers or available capacity. Method and sources.