| AMERICAN STONE & PATIO COMPANY INC | 1231701 | GAITHERSBURG | 1 |
| AMERICAN STUMP AND TREE SERVICE | 2447091 | LUTHERVILLE | 1 |
| AMERICAN TANK PETROLEUM SERVICES | 1850810 | EDGEWATER | 1 |
| AMERICAN TOWING & RECOVERY | 1296293 | CUMBERLAND | 1 |
| AMERICAN TOWING & RECOVERY LLC | 4053383 | HAGERSTOWN | 2 |
| AMERICAN TOWING LLC | 2868458 | BALTIMORE | 1 |
| AMERICAN TRANSITIONS LLC | 2243746 | BELAIR | 0 |
| AMERICAN TRANSPORT AGENTS CORPORATION | 4546473 | BALTIMORE | 1 |
| AMERICAN TRANSPORTATION & LOGISTICS LLC | 6016644 | BALTIMORE | 1 |
| AMERICAN TRANSPORTATION SERVICES INC | 1436275 | BETHESDA | 3 |
| AMERICAN TRANSPORTATION SOLUTIONS | 4104205 | ANNAPOLIS | 1 |
| AMERICAN TRANSPORTING LLC | 4357462 | BALTIMORE | 1 |
| AMERICAN TREE EXPERT SERVICES LLC | 3662240 | BALTIMORE | 4 |
| AMERICAN TREE SERVICE | 4543943 | POTOMAC | 3 |
| AMERICAN TRUCK AND BUS INC | 1049665 | ANNAPOLIS | 4 |
| AMERICAN TURF | 1409597 | DAVIDSONVILLE | 14 |
| AMERICAN UNDERGROUND UTILITY LLC | 1513921 | WHITE MARSH | 5 |
| AMERICAN UNIVERSAL RECYCLING LLC | 3103395 | HURLOCK | 1 |
| AMERICAN VETERAN | 2940717 | ELLICOTT CITY | 1 |
| AMERICAN WASTE ENTERPRISES LLC | 1851752 | EASTON | 4 |
| AMERICAN WATER DAMAGE OF BALTIMORE LLC | 4474661 | ROSEDALE | 1 |
| AMERICAN WIRELESS SERVICE LLC | 4360980 | HYATTSVILLE | 1 |
| AMERICAN WORLD WIDE TRANSPORTATION INC | 2344633 | BALTIMORE | 6 |
| AMERICAN'S PRINCE LLC | 4814810 | BALTIMORE | 1 |
| AMERICANA GROCERY OF MD INC | 337352 | SILVER SPRING | 1 |
| AMERICARGO INC | 4376028 | GAITHERSBURG | 3 |
| AMERICAS QUALITY FIRST HOME IMP | 2546448 | ESSEX | 1 |
| AMERICAS ROOFING & HOME IMPROVEMENT | 3293875 | DUNDALK | 2 |
| AMERICO GONCALVES RODRIGUES | 1632084 | LANHAM | 1 |
| AMERICOR ENVIROMENTAL SERVICE | 1665360 | LANDOVER HILLS | 10 |
| AMERIGAL CONSTRUCTION COMPANY INC | 2464758 | GLENN DALE | 0 |
| AMERIGROUP MARYLAND INC | 2177135 | HANOVER | 1 |
| AMERIPRO OFFICE INTERIORS LLC | 4103344 | HVRE DE GRACE | 1 |
| AMERITEL COMMUNICATIONS CORPORATION | 862811 | ROCKVILLE | 3 |
| AMERITREE EXPERTS | 1623643 | WHITE MARSH | 6 |
| AMERO FOODS MFG CORP | 1047689 | LAUREL | 1 |
| AMES DISTRIBUTION LLC | 9118256 | LAUREL | 2 |
| AMEX CONTRACTING INC | 1687583 | LANHAM | 2 |
| AMEXIM BROKERAGE | 2381889 | LUSBY | 0 |
| AMF CONTRACTORS INC | 2478660 | PARKVILLE | 1 |
| AMG LOGISTICS LLC | 3745622 | EDGEWOOD | 3 |
| AMG TRANSPORTATION LLC | 4094957 | BOWIE | 1 |
| AMH TRANSPORTATION | 4255693 | LANHAM | 1 |
| AMI SIGNS INC | 4033566 | FREDERICK | 1 |
| AMI TRANSPORTION LLC | 4320874 | ROSEDALE | 1 |
| AMI TRUCKIN LLC | 1350806 | SUITLAND | 4 |
| AMIGO MOVERS INC | 1923390 | HYATTSVILLE | 1 |
| AMIGO SANTOS LLC | 4424775 | BOWIE | 1 |
| AMIGOS LOGISTICS LLC | 3922904 | BALTIMORE | 0 |
| AMIINSTALLATIONS | 1337204 | JESSUP | 12 |
| AMILCAR GONZALEZ | 2042131 | BALTIMORE | 1 |
| AMILCAR HERNANDEZ ROMERO | 2517905 | BALTIMORE | 1 |
| AMIMO TRUCKING LLC | 4078966 | ESSEX | 1 |
| AMIR LOGISTICS LLC | 3750267 | BEL AIR | 8 |
| AMIR TRANSPORTATION LLC | 3574604 | SILVER SPRING | 1 |
| AMIRASMUZIC PUBLISHING LLC | 4301667 | LUTHERVILLE TIMONIUM | 0 |
| AMISH BUILDERS LLC | 4519295 | BOWIE | 1 |
| AMISH SHED OUTLET LLC | 3105891 | JOPPA | 2 |
| AMJ AUTOMOTIVE SERVICES II INC | 3273700 | GRASONVILLE | 1 |
| AMJ AUTOMOTIVE SEVICE INC | 1743887 | STEVENSVILLE | 1 |
| AMJ ELECTRIC LLC | 4150807 | LEONARDTOWN | 1 |
| AMJ LANDSCAPING LLC | 2483756 | SUITLAND | 2 |
| AMJ LAWN & LANDSCAPING | 1252348 | PASADENA | 2 |
| AMJ RECOVERY SERVICE INC | 837073 | PASADENA | 5 |
| AMJ ROOFING LLC | 3422054 | FREDERICK | 2 |
| AMK SOLUTIONS LLC | 4207295 | WESTMINSTER | 1 |
| AMKO AUTO | 3652194 | TEMPLE HILLS | 1 |
| AMMAK TRANSPORT LLC | 3889983 | FREDERICK | 1 |
| AMMERMAN MCLEAN ENTERPRISES INC | 3031278 | OWINGS MILLS | 1 |
| AMNEN TRANSPORTATION LLC | 4435097 | SILVER SPRING | 1 |
| AMNEN TRUCKING LLC | 3671211 | BURTONSVILLE | 1 |
| AMOD INC | 2778605 | KINGSVILLE | 2 |
| AMOKOHENE TRUCKING LLC | 3560194 | ELKRIDGE | 1 |
| AMON EXPRESS LLC | 4194162 | HYATTSVILLE | 0 |
| AMOREAMONIE LLC | 5314206 | BALTIMORE | 1 |
| AMORIM CONSTRUCTION CORPORATION | 1076724 | SILVER SPRING | 26 |
| AMORIM CONSTRUCTION SERVICES | 3256827 | LAUREL | 1 |
| AMOS & SON FAMILY TREE SERVICE | 2160017 | BEL AIR | 1 |
| AMOS ALBRIGHT TOOLS LLC | 3460895 | CENTREVILLE | 1 |
| AMOS J KING | 1376982 | WESTOVER | 1 |
| AMP CONCRETE INC | 2494978 | MOUNT AIRY | 1 |
| AMPARO LANDSCAPING | 2403501 | ROCKVILLE | 2 |
| AMPBLS LOGISTICS | 4201509 | PIKESVILLE | 0 |
| AMPLE SHEET METAL INC | 351834 | HANOVER | 1 |
| AMPM ROADSIDE ASSISTANCE | 2134792 | SILVER SPRING | 2 |
| AMPM TOWING LLC | 2583455 | SILVER SPRING | 1 |
| AMPORTS INC | 3497242 | CURTIS BAY | 1 |
| AMPTECH INC | 1259555 | NANJEMOY | 1 |
| AMRESTORE INC | 1720535 | GLEN BURNIE | 3 |
| AMRIT TOWING & RECOVERY INC. | 8895749 | ELLICOTT CITY | 1 |
| AMS TRUCKING INC | 1316676 | KEYMAR | 1 |
| AMSTAR TRANSMISSION INC | 3106870 | SILVER SPRING | 1 |
| AMT LOGISTICS LLC | 3882028 | OWINGS MILLS | 4 |
| AMT TACTICAL LAWN CARE LLC | 4160723 | NEWBURG | 1 |
| AMT TRANSPORT LLC | 3885415 | PIKESVILLE | 1 |
| AMTOTE INTERNATIONAL INC | 122640 | HUNT VALLEY | 4 |
| AMTRAC RAILROAD CONTRACTORS OF MARYLAND INC | 372252 | HAGERSTOWN | 21 |
| AMTRAN INC | 1700994 | ROSEDALE | 8 |
| AMUSEOMATIC INC | 2009366 | FREDERICK | 3 |
| AMVETS NATIONAL SERVICE FOUNDATION | 358736 | LANHAM | 31 |