PMI

The Project Management Institute (PMI) is a US nonprofit professional organization for project management.
The PMI provides services including the development of standards, research, education, publication, networking-opportunities in local chapters, hosting conferences and training seminars, and providing accreditation in project management.

PMI has recruited volunteers to create industry standards, such as “A Guide to the Project Management Body of Knowledge”, which has been recognized by the American National Standards Institute (ANSI).