City of Barnesville 109 Forsyth Street, Barnesville, GA 30204, 770-358-0181, Provides information on local city services and local government offices in the Barnesville area. more... 

Lamar County Chamber of Commerce 100 Commerce Place, Barnesville, GA 30204, 770-358-5884, Promotes and supports local businesses and industries in the Barnesville and Lamar County areas plus provides relocation information.