Native American Development Corporation PTAC - Procurement Specialist(s) NADC is accepting resumes with refs. for 2 positions. 1 located in the NADC PTAC Satellite Center in Ft. Belknap, MT & 1 in the Billings, MT office. Travel is mandatory. Closing date is Oct 26, 2018 - 5:00pm; send to email@example.com. Go to www.nadc-nabn.org. Salary DOE.