An Owner-User Inspection Organization (OUIO) is an owner-user of pressure equipment that maintains an established inspection program and whose organization and inspection procedures meet the requirements of NB-371, Accreditation of Owner-User Inspection Organization and are acceptable to the jurisdictional authority where the owner-user is located. Organizations seeking accreditation by the National Board should complete NB-234, Application for Owner-User Certificate of Accreditation.
See Listing of Owner-User Inspection Organizations.