We serve our members through annual community events, networking, informational meetings, and promotion of member businesses. The Greater Nassau County Chamber of Commerce was incorporated on December 9, 1974. We are a member of the Florida Chamber of Commerce. Our office is located in the charming train depot in the town of Callahan. We have a small town friendliness and openness, while professionally representing the business owners of Nassau County. We're here for you. Come see us!