The largest accredited business organization of influence in Atlantic Canada, the Atlantic Chamber of Commerce (ACC) represents more than 16,000 businesses through its network of 94 chambers of commerce and boards of trade and 29 corporate partners in the four Atlantic provinces. As the voice of Atlantic Canadian business, ACC actively partners with its members and other organizations to impact a strong, vibrant and growing Atlantic Canada. It is a catalyst to influence, educate and advocate on policy related issues that support business, to deliver high-value services and opportunities to our members, and to support and promote initiatives that contribute to sustainable economic growth in the region. Make the Connection. Atlantic Chamber