American Association for Contamination C… 
American Association of Cereal Chemists 
American Association for Clinical Chemis… 
American Automatic Control Council 
Australian Army Catering Corps 
Air Approach Control Center 
Airborne Alternate Command Center 
Airport Associations Coordinating Counci… 
All Africa Conference of Churches 
Allied Tactical Air Force Airspace Coord… 
American Association of Christian Counse… 
American Association of Clinical Chemist… 
American Association of Community Colleg… 
Anne Arundel Community College 
Anti Air Command Center 
Area Approach Control Center 
Arlington Annex Communications Center 
Army Air Corps Center 
Asian American Coalition Committee 
Asian American Comparative Collection 
Asset Acceptance Capital Corp. 
Association for Clinical Chemistry 
Association of Agricultural Computer Com… 
Association of Cereal Chemists 
Austin Air Conditioning Contractors Asso… 
Automatic Air Control Center 
Automatic Approach Control Complex