 The FBI CJIS is a high-tech hub providing state-of-the-art tools and services to law enforcement, national security/intelligence community partners, and the general public.The CJIS Division is the largest division of the Federal Bureau of Investigation and is located in a half million square foot main facility on a 986-acre (4.0 km²) tract in Clarksburg, West Virginia.CJIS services located at this site include the National Crime Information Center (NCIC), Integrated Automated Fingerprint Identification System (IAFIS), LEO Enterprise Portal (LEO-EP), National Instant Criminal Background Check System (NICS), Uniform Crime Reporting (UCR), and the Law Enforcement National Data Exchange (N-DEx).