The Greencastle-Antrim Chamber of Commerce exists to help its members thrive by promoting economic prosperity and community vitality by being the best resource for building a vibrant and prosperous community through business leadership. The Chamber is governed by a Board of Directors composed of twelve business associates and four individuals representing the Borough of Greencastle, Antrim Township, the Greencastle-Antrim School District and the Franklin County Area Development Corporation. The G-ACC is a partner of the Cumberland Valley Business Alliance.