City of Manassas 9027 Center Street, Manassas, VA 20110, 703-257-8212, Provides information on local city services and local government offices in the Manassas area. more... 

Greater Manassas Chamber of Commerce 8963 Center Street, Manassas, VA 20110, 703-368-6600, Promotes and supports local businesses and industries in the Greater Manassas area plus provides relocation information. 

Prince William County-Manassas CVB 8609 Sudley Road, Suite 105, Manassas, VA 20110, 703-396-7130, 800-432-1792, Provides information on local lodging, dining, attractions, events, shopping, and more in the Manassas and Prince William County area. more... 

Center for the Arts, The 9419 Battle Street, Manassas, VA 20110, 703-330-2787, This organization provides diverse education and arts programs to the youth and adult populations of the Greater Prince William County area. They present arts programming of the highest quality. The center includes a theater-in-the-round, a classroom, office space, and an art gallery. more...