CLC has and continues to serve a variety of clients, including:

Military:

Pentagon, Air Force Office of Personnel, Andrews AFB, Army Audit Agency, Army Materiel Command, Army Testing and Evaluation Command (ATEC), ASN, Center for Army Analysis, Defense Information System Agency, Defense Security Cooperation Agency, Department of AF Reserve, DIA, DOA Defense Supply, DOA Pentagon Training Office, National Guard Bureau, Network Infrastructure Services Agency, Naval Security Station Wash. DC, Office of the Chief Army Reserve, Office of the Surgeon General, Office of the Joint Chiefs of Staff, Pentagon Protocol Office, Uniformed Services University of the Health Sciences (USUHS), Wash. Headquarters Service.

Government:

D.C. Child and Family Services Agency, Health and Human Services Agency, D.C. No Child Left Behind Supplemental Educational Services Program, Food and Drug Administration, House and Senate Page Schools, Human Resources Services Center, National Institute of Standards and Technology, National Institutes of Health, National Reserve Bureau, USDA

Civilian: