Columbia Association 10221 Wincopin Circle, Columbia, MD 21044, 410-715-3000, Columbia's resident association, enhancing the quality of life for people living and working in Columbia.  more... 

Howard County Chamber of Commerce 5560 Sterrett Place, Suite105, Columbia, MD 21044, 410-730-4111, Promotes local businesses and offers relocation information for the greater Howard County area. more... 

Restaurant Association of Maryland 6301 Hillside Court, Columbia, MD 21046, 410-290-6800, State trade association operated for the purpose of promoting, protecting and improving the foodservice industry. more...