At the Harford County Chamber of Commerce, our business is your success. We are the premier business advocate in the county, helping members connect and thrive to create a vibrant economy across all sectors. Since 1976, the Chamber has worked continually to be the premier advocate and recognized voice of business in Harford County through advocacy efforts, community connections, and education. The Harford County Chamber of Commerce is one of the largest and most active chambers in Maryland, bringing opportunities to companies of all sizes.