| BLACK BEAR MASONRY | 4298162 | LEE | 2 |
| BLACK BEAR TRANSPORTATION INC | 4043973 | STOUGHTON | 25 |
| BLACK BELT TRANSPORT INC | 4192029 | MALDEN | 1 |
| BLACK BROOK GENERAL CONTRACTING | 3372083 | E BRIDGEWTR | 3 |
| BLACK CREST CARGO LLC | 8715335 | WORCESTER | 3 |
| BLACK DEMOLITION AND CONSTRUCTION INC | 3305229 | EVERETT | 1 |
| BLACK DIAMOND FENCE | 3402371 | WEYMOUTH | 1 |
| BLACK DIAMOND LANDSCAPES INC | 3182707 | WOBURN | 8 |
| BLACK DIAMOND LOGISTICS LLC | 4095323 | WRENTHAM | 32 |
| BLACK DIAMOND PAVING LLC | 2568858 | WHITENSVILLE | 1 |
| BLACK DIAMOND PROPERTIES OF THE BERKSHIRES LLC | 4476492 | DALTON | 1 |
| BLACK DOG LANDSCAPES LLC | 4042101 | MEDWAY | 2 |
| BLACK DUCK LANDSCAPE LLC | 3392121 | ORLEANS | 10 |
| BLACK EAGLE EXPRESS INC | 3851060 | WORCESTER | 1 |
| BLACK EARTH COMPOST LLC | 3209033 | GLOUCESTER | 40 |
| BLACK FRIDAY YEAR ROUND INC | 3606208 | LYNN | 1 |
| BLACK FROG LOGISTICS | 4108626 | MEDFORD | 12 |
| BLACK GOLD FISHERIES LLC | 3363301 | SOUTH CHATHAM | 1 |
| BLACK HEATING & COOLING INC | 3238874 | SOUTH WALPOLE | 3 |
| BLACK HILLS BROKERAGE LLC | 4549657 | LOWELL | 0 |
| BLACK LAB BY BIGELOW LLC | 9419313 | NORFOLK | 1 |
| BLACK LAB ENTERPRISES LLC | 3086818 | HANOVER | 4 |
| BLACK LADDER GROUP INC | 8391476 | NORTH BILLERICA | 1 |
| BLACK LINE LOGISTICS INC | 3601820 | SHARON | 0 |
| BLACK LION TRANSPORTATION | 3362844 | HAVERHILL | 1 |
| BLACK LUXE LIMOUSINE LLC | 4429684 | PITTSFIELD | 1 |
| BLACK MARBLE MOTORCYCLES LLC | 3372053 | REVERE | 2 |
| BLACK MUSTANG TRANSPORT INC | 2474782 | WESTFIELD | 12 |
| BLACK OVAL TRANSPORTATION SERVICES | 1253823 | MONUMENT BEACH | 3 |
| BLACK PEARL TRANSPORT INC | 3654528 | ACTON | 1 |
| BLACK RHINO DUMPSTERS LLC | 4470115 | MILTON | 1 |
| BLACK ROCK EXCAVATION CORP | 5763111 | RUTLAND | 1 |
| BLACK ROCK SERVICES INC | 1493995 | EVERETT | 1 |
| BLACK ROSE TRUCKING LLC | 3380898 | HOLYOKE | 1 |
| BLACK SAILS SALT COMPANY LLC | 4246046 | MALDEN | 1 |
| BLACK SWAN HOLDINGS LLC | 1788279 | BOSTON | 1 |
| BLACK WOLF PROPERTY MAINTENANCE | 3178939 | TEWKSBURY | 1 |
| BLACKBEARD SEALCOATING INC | 4429773 | ABINGTON | 2 |
| BLACKBRIDGE TRANSPORT LLC | 4011952 | BOSTON | 0 |
| BLACKCAVIAR TRUCKING LLC | 3551006 | METHUEN | 1 |
| BLACKDIAMOND CONTRACTORS | 3395216 | ATTLEBORO | 1 |
| BLACKHORSE BUILDERS INC | 3676948 | LEOMINSTER | 1 |
| BLACKHOUND LOGISTICS LLC | 4441459 | HOPKINTON | 5 |
| BLACKLER LANDSCAPE CONSTRUCTION | 3381421 | MARBLEHEAD | 1 |
| BLACKMOUNT LANDSCAPE LLC | 4544365 | MARSHFIELD | 3 |
| BLACKOUT CORPORATION | 3430284 | CHELMSFORD | 3 |
| BLACKROCK UTILITY COMPANY | 4111688 | MIDDLEBORO | 1 |
| BLACKSHEAR TRANSPORTATION SERVICES LLC | 4046907 | SPRINGFIELD | 0 |
| BLACKSMITH SHOP FARMS OPERATIONS LLC | 4245259 | EAST FALMOUTH | 2 |
| BLACKSTONE FREIGHT LOGISTICS LLC | 7378551 | HAVERHILL | 1 |
| BLACKSTONE LANDSCAPE SUPPLY INC | 3292978 | SUTTON | 3 |
| BLACKSTONE MASONRY LLC | 4445096 | HALIFAX | 1 |
| BLACKSTONE NATIONAL GOLF CLUB LLC | 3418410 | SUTTON | 1 |
| BLACKSTONE SEPTIC SERVICE | 3473542 | MILLBURY | 3 |
| BLACKSTONE VALLEY ASPHALT LLC | 4071239 | MARLBOROUGH | 2 |
| BLACKSTONE VALLEY TURF CARE LLC | 3399072 | BLACKSTONE | 3 |
| BLACKWATER TOWING INC | 2191562 | BRAINTREE | 5 |
| BLACKWELL ENERGY CORPORATION | 1800730 | HANOVER | 8 |
| BLACKWOOD EQUIPMENT LLC | 4505907 | PLAINVILLE | 1 |
| BLACKWWOD TREE SERVICES INC | 3407307 | HANSON | 4 |
| BLADES LANDSCAPING SERVICES LLC | 3557976 | LOWELL | 2 |
| BLAIR STANLEY SMITH DBA BLAIR STANLEY SMITH | 3407299 | MIDDLEBORO | 1 |
| BLAKE D GLEASON | 3361528 | HARWICH | 5 |
| BLAKE DORSEY | 1695339 | BOSTON | 1 |
| BLAKE GUERTIN | 3368973 | FRAMINGHAM | 2 |
| BLAKE GUERTIN | 2120331 | FRAMINGHAM | 1 |
| BLAKE PORTER TRUCKING LLC | 4264315 | ERVING | 1 |
| BLAKE PROPERTY CARE | 3807233 | DALTON | 1 |
| BLAKE'S AUTO TRANSPORT & REPAIR LLC61 | 3529608 | BROCKTON | 2 |
| BLAKE'S TRUCKING LLC | 3240333 | SPRINGFIELD | 1 |
| BLAKELY BUILDERS | 4203614 | BARNSTABLE | 1 |
| BLAKELY TOWING & JUNK CAR REMOVAL | 4249653 | WEST BRIDGEWATER | 1 |
| BLANCAS REAL ESTATE SERVICES LLC | 4499969 | MARLBOROUGH | 1 |
| BLANCHARD LAND CLEARING INC | 3084522 | MILFORD | 2 |
| BLANCHARD LANDSCAPING INC | 3072414 | AGAWAM | 3 |
| BLANCHARD SEPTIC TANK SYSTEM INC | 710116 | WILBRAHAM | 5 |
| BLANCHE ROSE SITE DEVELOPMENT AND PROPERTY MAINTENANCE LLC | 4227795 | MARSHFIELD | 1 |
| BLANCO ELECTRIC LLC | 3088909 | LUDLOW | 1 |
| BLANKI NOHEMI MORALES | 3361219 | WALTHAM | 3 |
| BLARNEY CONSTRUCTION LLC | 3302875 | DUXBURY | 4 |
| BLASS TRUCKING INC | 4493180 | LAWRENCE | 1 |
| BLAZING HEARTH PIZZA LLC | 3369231 | MEDFIELD | 1 |
| BLAZING REPAIR SHOP | 4466712 | NEW BEDFORD | 1 |
| BLB PROPERTY MAINTENANCE INC | 3800450 | TOWNSEND | 2 |
| BLC LLC | 3623818 | FOXBORO | 6 |
| BLED TRANSPORTATION INC | 4582138 | BROCKTON | 2 |
| BLESSED AUTO LLC | 4176280 | NORTH CHELMSFORD | 1 |
| BLESSED LOGISTICS LLC | 4260521 | LOWELL | 0 |
| BLESSED TRANSPORTATION INC | 3218818 | SOUTHWICK | 46 |
| BLESSING OF BLESSING LANDSCAPE CORP | 3372710 | MARLBORO | 6 |
| BLESSINGTON CORPORATION | 1273261 | GARDNER | 1 |
| BLINKNESTS LLC | 4296019 | MALDEN | 1 |
| BLINN'S FENCE INC | 3207822 | SOUTH WEYMOUTH | 3 |
| BLINN'S FENCE INC | 2260771 | HANSON | 3 |
| BLISSCAPES LANDSCAPE AND NURSERY | 3225294 | S DARTMOUTH | 1 |
| BLK TOOLS & EQUIPMENT SOLUTIONS LLC | 2372388 | SANDWICH | 1 |
| BLK TRUCKING LLC | 3348007 | WILBRAHAM | 3 |
| BLOCK BROOK FARM | 4562077 | WEST SPRINGFIELD | 2 |
| BLOCK TRANSPORTATION LLC | 4290789 | SHREWSBURY | 1 |
| BLOCKS & BRICKS CORP | 3577560 | LYNN | 1 |