PMI’s Maturity Model
PMI released the Organizational Project Management Maturity Model (OPM3) in December 2003
Model is based on market research surveys sent to more than 30,000 project management professionals and incorporates 180 best practices and more than 2,400 capabilities, outcomes, and key performance indicators
Addresses standards for excellence in project, program, and portfolio management best practices and explains the capabilities necessary to achieve those best practices