Certifications in Purchasing Management. American Purchasing Society(APS) The American Purchasing Society is a professional association of buyers and purchasing managers and was the first organization to establish certification for buyers and purchasing professionals in 1968. There is a growing realization in the business world that only professionals can get the job done in a professional manner. The American Purchasing Society award of certification provides general management a degree of confidence in the ability and integrity of the people who have been or will be selected to do the job. Professional certification offers individuals a wide range of important benefits. The certification designation demonstrates to current and potential employers that the employee possesses a solid foundation of experience and education in purchasing and supply chain management that can have a positive impact on bottom-line results. Certification symbolizes knowledge and accomplishment and is highly regarded by colleagues and employers. As a certified purchaser, the employee can proudly join a successful group of purchasing and supply chain professionals who are enriching and advancing their careers and their chosen professions. American Purchasing Society offers two levels of Certification 1. Certified Purchasing Professional (CPP) 2. Certified Professional Purchasing Manager (CPPM)