CPMR, Certified Professional Manufacturers Representative CPMR or Certified Professional Manufacturers' Representative is a 3-year on-campus curriculum for manufacturers' representative firm managers operated by the Manufacturers' Representatives Educational Research Foundation through its Institute for Professional Advancement. Certification program instructors are knowledgeable in rep firm management, and include University faculty and Executives from commerce and industry. Maintaining this certification requires annual update courses. CSP, Certified Sales Professional Certification (CSP) or Certified Sales Professional program is operated by the Manufacturers' Representatives Educational Research Foundation through its Institute for Professional Advancement. To qualify for certification, candidates must have completed more than 40 hours of sales related education, attend IPA's Skills for Sales Success seminar, and pass an oral and written examination.