| BASIL TREE SERVICE | 2426174 | BALTIMORE | 1 |
| BASS A TRANSCARE LLC | 4391522 | GERMANTOWN | 1 |
| BASSIL FREIGHT TRANSPORTATION LLC | 3945154 | UPPR MARLBORO | 1 |
| BASTION FREIGHT INC | 4300792 | DUNKIRK | 0 |
| BASTOSLANDSCAPING | 1708542 | NORTH POTOMAC | 1 |
| BASYLLA LLC | 7634675 | OWINGS MILLS | 1 |
| BATEMAN DISTRIBUTORS LLC | 2592655 | BEL AIR | 1 |
| BATEMAN HOME IMPROVEMENTS INC | 2781925 | POOLESVILLE | 1 |
| BATEN CONSTRUCTION & LANDSCAPING LLC | 2436082 | FORESTVILLE | 1 |
| BATEN LOGISTIC LLC | 3959801 | FT WASHINGTON | 1 |
| BATES MOVING & STORAGE COMPANY INC | 326094 | HEBRON | 13 |
| BATES TRUCKING CO INC | 653767 | BLADENSBURG | 172 |
| BATHROOM RECOVERY LLC | 3827226 | WITTMAN | 1 |
| BATHROOMS ON A ROLL | 3288388 | CHESTER | 1 |
| BATRES CARRIER LLC | 3533908 | GAITHERSBURG | 1 |
| BATRES LLC | 4269865 | GAITHERSBURG | 0 |
| BATRES TRANSPORTATION | 2072222 | FREDERICK | 1 |
| BATTE INC | 1383264 | BALTIMORE | 1 |
| BATTERIES & TOOLS ECT LLC | 2338020 | CHARLOTTE HALL | 2 |
| BATTERY SHOP OF MARYLAND INC | 308849 | FINKSBURG | 1 |
| BATTICE TRUCKING LLC | 2555899 | RIVERDALE | 1 |
| BATTLE CREEK HOME EXTERIORS LLC | 3863886 | PRNC FREDERCK | 2 |
| BATTLE CREEK LANDSCAPING & EXCAVATION LLC | 1477278 | PRINCE FREDERICK | 2 |
| BATTLE LOGISTICS LLC | 3629186 | WALDORF | 0 |
| BATTLEBORN CREATIONS LLC | 4115155 | WESTMINSTER | 1 |
| BATTLEFIELD TRANSPORT INC | 906425 | KEYMAR | 7 |
| BATTLEFRONT MINIATURES USA LLC | 3379406 | NORTH EAST | 1 |
| BATZ LANDSCAPING LLC | 4375316 | GLEN BURNIE | 0 |
| BAUER POOLS INC | 756282 | REISTERSTOWN | 3 |
| BAUGHER & SEWELL | 1203006 | HALETHORPE | 1 |
| BAUGHER ENTERPRISES INC | 921062 | WESTMINSTER | 6 |
| BAUMAN PLUMBING LLC | 1036111 | ELKRIDGE | 1 |
| BAUMANN TOOLS LLC | 2951106 | DAVIDSONVILLE | 0 |
| BAUMANN'S LAWN AND LANDSCAPE INC | 1331425 | SILVER SPRING | 9 |
| BAUSUM & DUCKETT ELECTRIC LLC | 668140 | ODENTON | 2 |
| BAUTISTA CONTRACTING LLC | 4486399 | BALTIMORE | 0 |
| BAUTISTA LANDSCAPING | 2820753 | HENDERSON | 3 |
| BAUTISTA TRANSPORT LLC | 3214596 | SILVER SPRING | 1 |
| BAUTISTA'S EMPIRE LLC | 4309673 | ESSEX | 1 |
| BAV FENCE LLC | 3223541 | LANHAM | 1 |
| BAWA TRANSPORT INC | 3767852 | ELLICOTT CITY | 1 |
| BAWI HU | 4572442 | JESSUP | 0 |
| BAWLMER LANDSCAPING | 2487365 | BALTIMORE | 2 |
| BAXAM ROAD SERVICE INC | 2878477 | DUNKIRK | 2 |
| BAY & BEACH LANDSCAPING LLC | 2451544 | PRESTON | 4 |
| BAY ABNER | 2637989 | CHESAPEAKE BCH | 2 |
| BAY AMERICAN HOMES BUILDERS LLC | 3267296 | TRAPPE | 2 |
| BAY AREA ASSOCIATES INC | 1318177 | CHESAPEAKE CITY | 2 |
| BAY AREA FREIGHT LLC | 3856908 | NORTH EAST | 0 |
| BAY AREA LANDSCAPES LLC | 4252754 | CORDOVA | 0 |
| BAY AREA LAWN CARE | 3818226 | HUNTINGTOWN | 3 |
| BAY AREA LAWN CARE INC | 4480133 | OWINGS | 4 |
| BAY AREA POOLS & SPAS INC | 2136490 | STEVENSVILLE | 2 |
| BAY AREA PRESSURE WASHING | 3781513 | DAVIDSONVILLE | 1 |
| BAY AREA REFUSE LLC | 3731300 | WORTON | 1 |
| BAY AREA TREE CARE INC | 1837029 | PASADENA | 7 |
| BAY AREA UNDERGROUND LLC | 2075468 | EASTON | 2 |
| BAY ASSOCIATES ENVIRONMENTAL INC | 1098780 | SEVERN | 1 |
| BAY BATH & TILE | 1556807 | BOWIE | 1 |
| BAY BOAT SALVAGE | 3387161 | BELTSVILLE | 1 |
| BAY BRAVO, LLC | 5421838 | NORTH BEACH | 1 |
| BAY BREEZE HOME IMPROVEMENTS LLC | 2378914 | BEL AIR | 1 |
| BAY BRIDGE AUTO BODY LLC | 1747570 | STEVENSVILLE | 1 |
| BAY BRIDGE LLC | 4381487 | BELTSVILLE | 6 |
| BAY BROTHERS CO | 8624166 | FREDERICK | 20 |
| BAY COUNTRY ASSOCIATES INC | 4116739 | ELKTON | 1 |
| BAY COUNTRY BUILDERS OF MD LLC | 2382586 | CENTREVILLE | 1 |
| BAY COUNTRY CLEANERS LLC | 3818303 | GREENSBORO | 1 |
| BAY COUNTRY COMMUNICATIONS INC | 3122984 | CAMBRIDGE | 3 |
| BAY COUNTRY CRABBING SUPPLY | 2901275 | CROWNSVILLE | 1 |
| BAY COUNTRY CUSTOM VANS & UPH INC | 1702210 | ANNAPOLIS | 1 |
| BAY COUNTRY ELECTRIC INCORPORATED | 1888782 | WESTMINSTER | 1 |
| BAY COUNTRY ENTERPRISES INC | 613127 | LEONARDTOWN | 20 |
| BAY COUNTRY PROFESSIONAL CONCRETE | 2332838 | BALTIMORE | 17 |
| BAY COUNTRY RENTALS OF PASADENA INC | 1021862 | BALTIMORE | 4 |
| BAY COUNTRY SERVICES LLC | 1588140 | ELKTON | 18 |
| BAY COUNTRY TRANSPORT LLC | 4469839 | HURLOCK | 1 |
| BAY CRANE MID-ATLANTIC LLC | 4285026 | DUNDALK | 39 |
| BAY CREEK PROPERTY MAINTENANCE | 2998190 | MCDANIEL | 1 |
| BAY DOOR & HARDWARE INC | 900687 | ELDERSBURG | 1 |
| BAY FLOOR SERVICE INC | 1191295 | ARNOLD | 6 |
| BAY FOREST TREE SERVICE LLC | 1600545 | LEXINGTON PARK | 5 |
| BAY GARDEN LANDSCAPING LLC | 4503180 | ANNAPOLIS | 2 |
| BAY GROUP INC | 1940541 | LAUREL | 1 |
| BAY HUNDRED SEAFOOD INC | 309872 | ST MICHAELS | 11 |
| BAY LIGHTING SERVICES COMPANY LLC | 2082971 | CROFTON | 1 |
| BAY LOGISTICS SERVICES LLC | 2246412 | FEDERALSBURG | 0 |
| BAY LUMBER COMPANY INC | 1039388 | BALTIMORE | 2 |
| BAY METAL WORKS INC | 599829 | OWINGS | 5 |
| BAY OIL INC | 84684 | HAVRE DE GRACE | 6 |
| BAY READY MIX CONCRETE LLC | 1876049 | CROFTON | 18 |
| BAY READY MIX OF MARYLAND LLC | 2781056 | BLADENSBURG | 30 |
| BAY RIDGE LAWN AND LANDSCAPE INC | 1337165 | ANNAPOLIS | 14 |
| BAY RIDGE NURSERY & LANDSCAPING INC | 3099333 | ANNAPOLIS | 1 |
| BAY ROAD LLC | 4471305 | BOWIE | 1 |
| BAY RUN TRUCKING LLC | 3566799 | PRESTON | 2 |
| BAY SHORE DEVELOPMENT CORPORATION | 2272463 | OCEAN CITY | 1 |
| BAY SILAH LLC | 8062270 | HAGERSTOWN | 3 |
| BAY STAR TRADING COMPANY INC | 1508919 | EASTON | 1 |
| BAY STATE CONTRACTING LLC | 3869372 | LEONARDTOWN | 2 |