| Acton | Middlesex West Chamber of Commerce |
| Amesbury | Amesbury Chamber of Commerce & Ind. Found. Inc. |
| Amherst | Amherst Area Chamber of Commerce |
| Arlington | Arlington Chamber of Commerce |
| Athol | North Quabbin Chamber & Visitors Bur. |
| Bedford | Bedford Chamber of Commerce |
| Beverly | Greater Beverly Chamber of Commerce |
| Billerica | Billerica Comm. Alliance |
| Boston | Greater Boston Chamber of Commerce |
| Boston | Mass. Chamber of Bus. & Ind. |
| Brewster | Brewster Chamber of Commerce |
| Brockton | Metro South Chamber of Commerce |
| Brookline | Brookline Chamber of Commerce |
| Buzzards Bay | Cape Cod Canal Region Chamber of Commerce |
| Cambridge | Cambridge Chamber of Commerce |
| Cape Cod | Cape Cod Chamber of Commerce & CVB |
| Chatham | Chatham Chamber of Commerce |
| Chelsea | Chelsea Chamber of Commerce |
| Chicopee | Greater Chicopee Chamber of Commerce |
| Cohasset | Cohasset Chamber of Commerce |
| Concord | Concord Chamber of Commerce |
| Danvers | North Shore Chamber of Commerce |
| East Boston | Chamber of Commerce of East Boston |
| East Longmeadow | Massachusetts Chamber of Commerce |
| Eastham | Eastham Chamber of Commerce |
| Easthampton | Greater Easthampton Chamber of Commerce |
| Everett | Everett Chamber of Commerce |
| Fall River | Fall River Area Chamber of Commerce & Ind. |
| Falmouth | Falmouth Chamber of Commerce |
| Fitchburg | North Central Massachusetts Chamber of Commerce |
| Framingham | MetroWest Chamber of Commerce |
| Gardner | Greater Gardner Chamber of Commerce |
| Gloucester | Cape Ann Chamber of Commerce |
| Great Barrington | Southern Berkshire Chamber of Commerce |
| Greenfield | Franklin County Chamber of Commerce |
| Hanover | Hanover Chamber of Commerce |
| Harwich Port | Harwich Chamber of Commerce |
| Haverhill | Greater Haverhill Chamber of Commerce |
| Holden | Holden Area Chamber of Commerce |
| Holyoke | Greater Holyoke Chamber of Commerce |
| Hudson | Assabet Valley Chamber of Commerce |
| Hull | Hull/Nantasket Beach Chamber of Commerce |
| Hyannis | Hyannis Area Chamber of Commerce |
| Ipswich | Ipswich Chamber of Commerce |
| Lawrence | Merrimack Valley Chamber of Commerce |
| Lee | Lee Chamber of Commerce |
| Lenox | Lenox Chamber of Commerce |
| Lexington | Lexington Chamber of Commerce |
| Lowell | Greater Lowell Chamber of Commerce |
| Lynn | Lynn Area Chamber of Commerce |
| Malden | Malden Chamber of Commerce |
| Mansfield | Tri-Town Chamber of Commerce |
| Marblehead | Marblehead Chamber of Commerce |
| Marlborough | Marlborough Reg. Chamber of Commerce |
| Marshfield | Marshfield Chamber of Commerce |
| Mashpee | Mashpee Chamber of Commerce |
| Medford | Medford Chamber of Commerce |
| Melrose | Melrose Chamber of Commerce |
| Middleborough | Cranberry Country Chamber of Commerce |
| Milford | Milford Area Chamber of Commerce |
| Nantucket | Nantucket Island Chamber of Commerce |
| New Bedford | SouthCoast Chamber |
| Newburyport | Greater Newburyport Chamber of Commerce |
| Newton | Newton-Needham Chamber of Commerce |
| North Adams | North Adams Chamber of Commerce |
| North Truro | Truro Chamber of Commerce |
| Northampton | Greater Northampton Chamber of Commerce |
| Norwell | Norwell Chamber of Commerce |
| Norwood | Neponset River Reg. Chamber |
| Orleans | Orleans Chamber of Commerce |
| Palmer | Quaboag Hills Chamber of Commerce |
| Peabody | Peabody Area Chamber of Commerce |
| Pittsfield | Berkshire Chamber of Commerce |
| Plainville | United Reg. Chamber of Commerce |
| Plymouth | Plymouth Area Chamber of Commerce |
| Provincetown | Provincetown Chamber of Commerce |
| Randolph | Randolph Chamber of Commerce |
| Reading | Reading-North Reading Chamber of Commerce |
| Revere | Revere Chamber of Commerce |
| Rockland | South Shore Chamber of Commerce |
| Salem | Salem Chamber of Commerce |
| Salisbury | Salisbury Chamber of Commerce |
| Scituate | Scituate Chamber of Commerce |
| Shirley | Nashoba Valley Chamber of Commerce |
| Somerville | Somerville Chamber of Commerce |
| South Hadley | South Hadley & Granby Chamber of Commerce |
| South Yarmouth | Yarmouth Chamber of Commerce |
| Springfield | Springfield Reg. Chamber |
| Stockbridge | Stockbridge Chamber of Commerce |
| Stoneham | Stoneham Chamber of Commerce |
| Stoughton | Stoughton Chamber of Commerce |
| Sturbridge | Central Mass. South Chamber of Commerce |
| Taunton | Taunton Area Chamber of Commerce |
| Vineyard Haven | Marthas Vineyard Chamber of Commerce |
| Wakefield | Wakefield Chamber of Commerce |
| Walpole | Walpole Chamber of Commerce |
| Waltham | Waltham West Suburban Chamber of Commerce |
| Watertown | Watertown-Belmont Chamber of Commerce |
| Wellesley | Wellesley Chamber of Commerce |
| Wellfleet | Wellfleet Chamber of Commerce |
| West Dennis | Dennis Chamber of Commerce |
| West Springfield | West of the River Chamber of Commerce |
| Westborough | Corridor Nine Area Chamber of Commerce |
| Westfield | Greater Westfield Chamber of Commerce |
| Whitinsville | Blackstone Valley Chamber of Commerce |
| Williamstown | Williamstown Chamber of Commerce |
| Wilmington | Wilmington/Tewksbury Chamber of Commerce |
| Winchester | Winchester Chamber of Commerce |
| Winthrop | Winthrop Chamber of Commerce |
| Woburn | North Suburban Chamber of Commerce |
| Worcester | Worcester Reg. Chamber of Commerce |