Why move your business to Massaponax Business Center...?  Massaponax Business Center is in the Jackson Gateway District of Spotsylvania County- the prime location for new office, industrial and commercial development. Spotsylvania County offers a number of pro-business potential incentives including tax credits and exemptions. Massaponax Business Center combines “Class A”, professional business quality design and construction with easy access to Route 1, I-95, and the metropolitan areas of Northern Virginia and Richmond.