| H&H FOOD SERVICE LLCLaurel, MD | 3630781 | 2 |
| H&I EXPRESS INCLaurel, MD | 2786530 | 7 |
| H&S BAKERY INCBaltimore, MD | 65308 | 12 |
| HAGERSTOWN CONCRETE PRODUCTS INCHagerstown, MD | 110051 | 21 |
| HAGGARD JOE SERVICES LLCCurtis Bay, MD | 3278381 | 4 |
| HAINES B HOLTFederalsburg, MD | 84422 | 2 |
| HALAL EXPRESS LLCOwings Mills, MD | 3973154 | 2 |
| HALL HOLDINGS LLCCapitol Hgts, MD | 4075239 | 4 |
| HAMILTON DESIGN BUILD INCRockville, MD | 1258503 | 1 |
| HARD ROCK EXCAVATING LLCHagerstown, MD | 1367754 | 4 |
| HARRISON OYSTER COTilghman, MD | 64809 | 1 |
| HARTING & SONS BUILDING SUPPLIES INCBaltimore, MD | 65256 | 10 |
| HARTWELL EXPRESS LLCParkville, MD | 3908390 | 1 |
| HAUL IT RIGHT INCSalisbury, MD | 4338581 | 1 |
| HAULHUB LOGISTICS LLCCapitol Heights, MD | 4174544 | 1 |
| HAULPRO DUMPSTER RENTALS LLCWestminster, MD | 4388484 | 1 |
| HAVTECH SERVICE DIVISION LLCColumbia, MD | 3965366 | 1 |
| HAYER TRANSPORTATION LLCEaston, MD | 4310367 | 1 |
| HEALTHY TREES LLCBowie, MD | 4421656 | 1 |
| HEAVY WEIGHT FREIGHT LLCRockville, MD | 4433410 | 1 |
| HEIRESS & PRINCE ROYALS LLCSalisbury, MD | 4537494 | 1 |
| HENRY W STAPF INCBaltimore, MD | 165112 | 2 |
| HEYSER FARMS, INC.Silver Spring, MD | 9418997 | 5 |
| HIGH PRESSURE LOGISTICS LLCBaltimore, MD | 3415176 | 0 |
| HIGH PRIORITY TRANSPORT LLCHagerstown, MD | 4007273 | 1 |
| HIGH ROLLER TRANSPORT LLCGlen Burnie, MD | 1015897 | 1 |
| HIGHLINE SOLUTIONS LLCLaurel, MD | 3353014 | 1 |
| HILCOLN INCUpper Marlboro, MD | 2588015 | 1 |
| HJ TRANSPORTATION LIMITED LIABILITY COMPANYPotomac, MD | 4168645 | 1 |
| HNS TRUCKING INCRockville, MD | 1489926 | 1 |
| HOLT PAPER & CHEMICAL CO INCSalisbury, MD | 149443 | 29 |
| HONEST LOGISTICS LLCJoppa, MD | 3764787 | 1 |
| HONEST TRANSPORTATION INCGermantown, MD | 4223847 | 1 |
| HOPE BUILDERS INCGaithersburg, MD | 1364602 | 6 |
| HORA LOGISTICS LLCBrandywine, MD | 3672637 | 3 |
| HORDWARD SERVICES LLCWestminster, MD | 3203073 | 1 |
| HOTSHOT BOSS TRANSPORTATION AND LOGISTICS SERVICES LLCUrbana, MD | 1820110 | 2 |
| HUA TAI CO LLCBeltsville, MD | 2896703 | 3 |
| HUNGRY HAULERS LLCHyattsville, MD | 3310048 | 1 |
| HUSKY TRANPORTATION LLCPikesville, MD | 3037545 | 1 |