The NREP is the premier non-profit organization dedicated to the promotion of legal and professional recognition of individual training and experience as environmental managers, engineers, technologies, scientists and technicians. This recognition is supported by the NREP Registry, offering a central source for the public, government, and insurers to confirm environmental professional credentialing. The NREP supports environmental professionals through its certification programs, recognizing the competency of Registered Environmental Managers. The NREP also offers certification of Associate Environmental Professionals, Certified Environmental Auditors, Registered Environmental Property Assessors, Certified Environmental Systems Managers, and Certified Indoor Air Quality Managers, and others. Founded in 1988, the NREP has certified over 18,000 environmental professionals. It is a non-member, nonprofit certification organization serving many public sector organizations and agencies including the U.S. Postal Service, U.S. Environmental Protection Agency, U.S. Army and Navy, the Federal Bureau of Investigation, laboratories and research facilities, and many state and local governments. NREP registrants are also active in the public sector serving many financial institutions and industrial corporations.