National Institute of Governmental Purchasing (NIGP). Since 1944, developing, supporting and promoting public procurement practitioners through premier educational and research programs, technical services and advocacy initiatives. NIGP has over 2,600 member agencies representing over 16,000 professionals across the United States, Canada and countries outside of North America, the Institute is international in its reach. NIGP supports the recognition and esteem for the government procurement profession and its dedicated practitioners. SPO staff participate in Arizona State Capitol Chapter, the local chapter of NIGP.
NIGP conveys the following professional credentials.
- Certified Public Procurement Officer (CPPO)
- Certified Professional Public Buyer (CPPB)