Connecticut features 70 chambers of commerce serving businesses across all eight counties. From the statewide Connecticut Business & Industry Association to local chambers in every major city and region, these organizations provide networking opportunities, business advocacy, and economic development support to over 360,000 small businesses statewide.
Across Connecticut
CBIA
Major metros
Statewide
Role: Connecticut's largest business organization serving as the state-level chamber of commerce
Address: 350 Church St, Hartford, CT 06103-1136
Phone: (860) 244-1900
Website: www.cbia.com
Status: U.S. Chamber Member
Services Provided:
Service Area: Hartford, Middlesex, and Tolland counties
Address: 31 Pratt St, Hartford, CT 06103-1631
Website: www.metrohartford.com
U.S. Chamber Member
Focus: Top-performing economic development partnership executing assertive and innovative strategy for growing the Greater Hartford regional economy. Recently launched new websites including the reactivated Hartford Chamber of Commerce, CT Insurance & Financial Services, CT Health Council, and Innovation Destination Hartford.
Service Area: 15 municipalities including New Haven, Branford, Hamden, Milford
Address: 900 Chapel St, 10th Floor, New Haven, CT 06510-2802
Phone: (203) 787-6735
Fax: (203) 782-4329
Website: www.gnhcc.com
U.S. Chamber Member Founded 1794
Focus: One of the oldest chambers in the country, serving startups, small businesses, and established enterprises. Provides business advocacy, networking, resources, and support across 15 municipalities: Bethany, Branford, Cheshire, East Haven, Guilford, Hamden, Madison, Milford, New Haven, North Branford, North Haven, Orange, Wallingford, West Haven, and Woodbridge.
Service Area: Greater Bridgeport and Fairfield County region
Address: 10 Middle St, 14th Fl, Bridgeport, CT 06604-4257
Phone: (203) 335-3800
Website: www.brbc.org
800 Members 145 Years Old
Focus: Largest business association in the region with six affiliates: Bridgeport Chamber, Stratford Chamber, Trumbull Chamber, Bridgeport Economic Development Corporation (BEDCO), Leadership Greater Bridgeport, and Women's Leadership Council. Offers networking events, workforce development, and Region Magazine quarterly publication. Manages Southwest CT Manufacturing Partnership.
Service Area: Stamford and Southwestern Connecticut
Address: 290 Harbor Drive, Stamford, CT 06902
Phone: (203) 359-4761
Fax: (203) 614-9979
Website: www.stamfordchamber.com
Office Hours: Monday-Friday, 9am-3pm (call ahead)
Focus: One of the largest business organizations in Southwestern CT, representing small businesses and corporations with mission to provide the best environment to work and live. Led by President & CEO Heather Cavanagh.
Service Area: Bristol, Burlington, Farmington, Plainville, Plymouth, Thomaston, Wolcott
Address: 440 N Main St, Bristol, CT 06010
Website: www.centralctchambers.org
1,600+ Members 160,000 Residents Served
Focus: One of the largest chambers in Connecticut, serving seven communities in central Connecticut with comprehensive business support, networking events, advocacy, and economic development programs.
Service Area: Norwalk, Darien, New Canaan, Weston, Westport, Wilton
Address: 101 East Avenue, Norwalk, CT 06851
Phone: (203) 866-2521
Email: [email protected]
Website: www.greaternorwalkchamber.com
Founded 1889
Focus: Committed to economic vitality of six communities since 1889. Operates Business Resource Center offering one-stop shop for members with business startup kits, plan outlines, tax information, and specialized materials for restaurants, retail, manufacturing, and import/export businesses.
Address: 914 Hartford Turnpike, Waterford, CT 06385
Phone: (860) 701-9113
Website: chamberect.com
1,400+ Members 110+ Years
Region's largest professional network spanning eastern Connecticut with varied and robust business network.
Address: 187 Main St, Norwich, CT 06360-5810
Phone: (860) 887-1647
Website: norwichchamber.com
Voice of business in Northern New London County serving Norwich and 10 surrounding towns within 20-mile radius: Bozrah, Franklin, Griswold, Ledyard, Lisbon, Montville, Preston, Salem, Sprague, and Voluntown.
Address: 210 Westcott Road, Killingly, CT 06239
Phone: (860) 774-8001
Website: nectchamber.com
Address: P.O. Box 143, 12 Roosevelt Ave., Mystic, CT 06355
Phone: (860) 572-9578
Address: 1 Ives St, Danbury, CT 06810
Website: danburychamber.com
500+ Members 105,000 Workforce
Diverse membership from manufacturing, hi-tech, retail, service, and professional sectors ranging from sole proprietors to 3,000+ employees.
Address: 1597 Post Rd, Fairfield, CT 06824-5945
Website: fairfieldctchamber.com
Founded 1946
Provides venues for introductions, networking events (Business After Hours, Coffee Connect monthly), and committee opportunities. Promotes economic vitality and quality of life in Fairfield.
Address: 45 East Putnam Avenue, Greenwich, CT
Non-profit advocating, promoting, connecting, and educating local Greenwich businesses.
Address: 41 Riverside Avenue, Westport, CT
Offers networking events, educational workshops, advocacy, and community-building initiatives.
Address: 10 Progress Drive, Shelton, CT
Founded 1964
Dedicated to fostering economic growth and community development in Shelton area.
Address: 393 Main St, Middletown, CT 06457-3309
Website: middlesexchamber.com
Partners with CT Small Business Development Center to provide resources for small business owners and entrepreneurs.
Website: midstatechamber.com
Provides member businesses in Meriden and surrounding towns with promotion, education, and networking opportunities.
Website: whchamber.com
Rich history dating back over a century, committed to fostering economic growth and prosperity. Offers 125+ annual networking and business development events.
Address: 333 Kennedy Drive, Torrington, CT
Phone: (860) 482-6586
Email: [email protected]
Website: nwctchamberofcommerce.org
Serves 21 New England towns with strong advanced manufacturing and healthcare sectors. Offers Manufacturers' Coalition bringing companies together with educational and economic development resources.
Address: 11 Railroad Street, New Milford, CT
Address: 93 Bank Street, Waterbury, CT 06702-2205
Website: waterburychamber.org
Includes affiliates: Naugatuck Chamber, Southbury Chamber, and Watertown Oakville Chamber.
Website: crvchamber.org
Address: 3074 Whitney Ave, Hamden, CT 06518
Website: hamdenchamber.com
Website: tollandcountychamber.org
Non-profit promoting economic and civic vitality of Tolland County: Andover, Bolton, Columbia, Coventry, Ellington, Hebron, Mansfield, Somers, Stafford, Tolland, Union, Vernon, and Willington.
Website: bloomfieldchamber.org
Website: easthavenchamber.com
Professional expert advisors offer guidance and support to help small business owners reach goals. Services include accessing funding, creating new strategies, and finding critical information.
Partnership: Funded through cooperative agreement with U.S. Small Business Administration, CT Department of Economic and Community Development, and UConn.
Website: ctsbdc.uconn.edu
Allows small businesses and nonprofits to borrow between $5,000 and $500,000 depending on eligibility and need.
Supported by: Department of Economic and Community Development (DECD)
Additional Resources: Office of Small Business Affairs connects business owners with resources for growth and relocation support.
All-inclusive free resource center for entrepreneurs and business owners throughout business lifecycle.
Location: 3 Belden Avenue, Norwalk, CT
Partners: City of Norwalk, Greater Norwalk Hispanic Chamber, Greater Norwalk Chamber, SCORE, Small Business Development Council, Norwalk Redevelopment Agency, Women's Business Development Council, and NAACP
Services: All resources available free of charge to ensure accessibility for everyone.
Federal support for Connecticut's 360,000+ small businesses including funding programs, mentorship, and business recovery centers.
Annual Recognition: Connecticut Small Business Person of the Year awarded by SBA and CBIA, honoring exceptional small business leaders for achievements and contributions.
Resources: Small Business Profiles provide annual portraits of state's smaller employers including economic activity snapshots.
Connecticut chambers offer comprehensive benefits to member businesses:
Last updated on November 27, 2025