| BSC TRANSPORTATION LLC | 9702645 | STOUGHTON | 1 |
| BSCC INC | 4254988 | HUBBARDSTON | 3 |
| BSH ENTERPRISES INC | 1334202 | RANDOLPH | 1 |
| BSI ENGINEERING INC | 3183887 | DORCHESTER CENTER | 7 |
| BST CONSTRUCTION LLC | 3511244 | MARSHFIELD | 1 |
| BT SEAMLESS GUTTERS INC | 3446498 | TEMPLETON | 3 |
| BT'S GARDENING & BRICK DESIGN CORP | 3861830 | WALTHAM | 2 |
| BTB CONSTRUCTION INC | 1906047 | SOUTH WALPOLE | 1 |
| BTC TREE CARE | 3245484 | CHICOPEE | 2 |
| BTD HOLDING CORP | 245198 | CHELSEA | 38 |
| BTECH CONSTRUCTION & DESIGN INC | 4555145 | FALL RIVER | 3 |
| BTECH CONSTRUCTION AND DESIGN INC | 2427921 | FALL RIVER | 3 |
| BTM MECHANICAL SOLUTIONS LLC | 4484575 | LAKEVILLE | 1 |
| BTT MARINE CONSTRUCTION COMPANY LLC | 647318 | EAST BOSTON | 1 |
| BTV ACCESS CORPORATION | 3383396 | BRIDGEWATER | 1 |
| BTX | 3835829 | MANSFIELD | 3 |
| BUA MASONRY & RESTORATION | 3987574 | REVERE | 1 |
| BUBBLE IT INC | 3246423 | AYER | 1 |
| BUBBLING BROOK FARMS INC | 1221230 | WALPOLE | 4 |
| BUCCA SNACKS | 3177550 | BROCKTON | 1 |
| BUCCELLA CONTRACTING INC | 3351136 | BRIDGEWATER | 1 |
| BUCCIAGLIA TRUCKING | 3329904 | WEST BOYLSTON | 1 |
| BUCHANAN'S OIL INC | 808489 | MANSFIELD | 3 |
| BUCK WELDING & MACHINE | 3363642 | SOUTH CHATHAM | 2 |
| BUCKETS METER AND CALIBRATION SERVICE INC | 1127596 | DRACUT | 1 |
| BUCKINGHAM BROWNE& NICHOLS SCHOOL | 2814162 | CAMBRIDGE | 16 |
| BUCKLAND BARN | 3665919 | BUCKLAND | 1 |
| BUCKLER'S INC | 3407455 | HYANNIS | 2 |
| BUCKLER'S TOWING SERVICE INC | 398764 | HYANNIS | 21 |
| BUCKLEY ASSOCIATES INC | 299577 | HANOVER | 8 |
| BUCKLEY TREE CARE INC | 3273464 | ESSEX | 3 |
| BUCKLEY VENTURES INC | 4086832 | HANSON | 3 |
| BUCKMAN CRANE SERVICE INC | 4008241 | WRENTHAM | 1 |
| BUCKSWORTH ENTERPRISES INC | 342726 | BERKLEY | 3 |
| BUCKTERRA INC | 3375531 | HANSON | 2 |
| BUD EXPRESS INC | 3527264 | LYNN | 1 |
| BUDDENHAGEN CONSTRUCTION INC | 3212302 | BOYLSTON | 1 |
| BUDDY AND SON CLEANOUT & DISPOSAL SERVICES INC | 3506813 | LYNN | 3 |
| BUDDY ELECTRIC INC | 3446749 | NORTH ANDOVER | 1 |
| BUDDY MAININI PLG AND HTG | 3229273 | MILFORD | 1 |
| BUDDYS REMOVAL | 4480427 | DORCHESTER | 1 |
| BUDGET ABATEMENT LLC | 4344352 | METHUEN | 1 |
| BUDGET FUEL CO | 654267 | QUINCY | 2 |
| BUDS TRANSFER LLC | 4252305 | WILBRAHAM | 1 |
| BUDZINSKI PLUMBING AND HEATING | 3190984 | SUTTON | 1 |
| BUELLS TOWING AND TRANSPORT | 4503514 | N DIGHTON | 1 |
| BUELLWORKS INC | 4145913 | ATHOL | 1 |
| BUENO MASONRY INC | 4539573 | EDGARTOWN | 1 |
| BUENO TRANSPORT INC | 3182687 | FRAMINGHAM | 1 |
| BUFF'S MASONRY | 3244135 | BELMONT | 1 |
| BUFFALO HEAD LLC | 3366791 | S HAMILTON | 1 |
| BUFFONE LANDSCAPE | 3384910 | WORCESTER | 1 |
| BUGSYS TRUCKING LLC | 3992326 | PALMER | 1 |
| BUILD HEALTH INTERNATIONAL INC | 2912348 | BEVERLY | 1 |
| BUILD MAX DEPOT INC | 4420016 | AUBURN | 1 |
| BUILDERS SYSTEMS INC | 565438 | AUBURN | 2 |
| BUILDEX CONSTRUCTION INC. | 6679052 | WEST SPRINGFIELD | 6 |
| BUILDING CENTER INC OF GLOUCESTER | 568901 | GLOUCESTER | 5 |
| BUILDING ENVELOPE MATERIALS | 4219912 | LEXINGTON | 1 |
| BUILDING ENVELOPE SYSTEMS LLC | 2313335 | PLAINVILLE | 2 |
| BUILDING INVESTMENT REALITY DEVELOPMENT | 3396272 | S WEYMOUTH | 1 |
| BUILDING MAINTENANCE CO | 344083 | PEABODY | 2 |
| BUILDING RESTORATION SERVICES CORP | 2948488 | BOSTON | 7 |
| BUILDING SHELTER INC | 3380085 | VINEYARD HVN | 1 |
| BUILDING SPECIALTIES ARCHITECTURAL HARDWARE INC | 3282984 | AGAWAM | 1 |
| BUILDING SUPPLIES OUTLET INC | 961620 | PEABODY | 2 |
| BUILDOUT CONSTRUCTION CORPORATION | 3458894 | CANTON | 1 |
| BUILDPRO SUPPLY LLC | 3704735 | WOBURN | 1 |
| BUILT DIFFERENT CONSTRUCTION INC | 3922886 | MASHPEE | 2 |
| BUK5 TRANSPORTATION LLC | 4235100 | CHICOPEE | 1 |
| BULCON INC | 2541847 | BOXBOROUGH | 7 |
| BULK SERVICES LLC | 2535587 | LAWRENCE | 5 |
| BULKHEAD DOORS INC | 3448507 | MIDDLEBORO | 1 |
| BULL CONSTRUCTION INC | 4216850 | CHELSEA | 0 |
| BULLARD FUNERAL HOME | 2012666 | SOUTHBRIDGE | 2 |
| BULLDOG CONCRETE PUMPING INC | 3500552 | NORTH READING | 1 |
| BULLDOG FABRICATION & REPAIR LLC | 3407168 | MILLBURY | 1 |
| BULLDOG INC | 1268579 | READING | 1 |
| BULLDOG RESTORATION LLC | 9021276 | NORWOOD | 1 |
| BULLDOG STUMP GRINDING LLC | 3487985 | REHOBOTH | 3 |
| BULLDOG TRANSPORT LLC | 3091947 | BLACKSTONE | 1 |
| BULLDOG TRUCKING LLC | 1148573 | NORWOOD | 1 |
| BULLET EXPRESS INC | 2309567 | WORCESTER | 2 |
| BULLFROG ENVIRONMENTAL SOLUTIONS LLC | 4175851 | WAKEFIELD | 1 |
| BULLOCK CONSTRUCTION | 3373260 | PLYMOUTH | 0 |
| BULLOCK'S LAWN CARE | 3223379 | HAMPDEN | 2 |
| BULLSCARPENTRY LLC | 3304801 | SPRINGFIELD | 1 |
| BULLY EXCAVATION LLC | 3230156 | DOVER | 1 |
| BULMAN MARINE LLC | 3400694 | SCITUATE | 1 |
| BUMBACA ENTERPRISES INC | 3702821 | NORTH BILLERICA | 4 |
| BUMBLEBEE LANDSCAPING LLC | 3350625 | WORCESTER | 4 |
| BUMBLEBEE TRANSPORT INC | 4305698 | CHELSEA | 1 |
| BUMP YOUR STUMP STUMP GRINDING & TREE SERVICE LLC | 3463523 | HOPEDALE | 4 |
| BUNGERT DESIGNS LLC | 4542725 | JAMAICA PLAIN | 1 |
| BUNKER BUILDING & REMODELING LLC | 3372183 | HAVERHILL | 1 |
| BUNKER HILL AUTO TRANSPORTATION INC | 4239831 | QUINCY | 1 |
| BUNKER HILL MOVING COMPANY INC | 1992926 | QUINCY | 4 |
| BUNKER HILL POWER, LLC | 8457975 | FRAMINGHAM | 2 |
| BUNKY'S REALTY LLC | 1680317 | DANVERS | 2 |
| BUONATO GRANITE & MARBLE INC | 2833386 | STOUGHTON | 2 |