California Sports Car Club (EARSL)
Canadian Society of Clinical Chemists - Societe Canadienne des Clinico-Chimistes (ASC)
Canadian Society of Copyright Consumers - Societe Canadienne des Consommaters Copyright - Formerly, Musical Protective Society of Canada (ASC)
Canadian Steel Construction Council
C and S Cartage - Common carrier symbol
Cascade Communications - NASDAQ symbol (SAG)
Central Scientific Computing Center (SAUS)
Centre for the Study of Communication and Culture - British (CB)
Certificate, Society of Clinical Chemists (CMD)
City of Sydney Cultural Centre - Australia
Civil Service Commission of Canada (BARN)
Cockburn Sound Conservation Council - Western Australia
Combat Support Coordination Center
Command Session Change Control (IAA)
Command Support Control Console
Commonwealth-State Consultative Committee (SAUO)
Communications System Category Code - Air Force (AFIT)
Communications System Control Console
Comprehensive Sickle Cell Center - Terminated, 1977 - HEW
Concurrent Super Computing Consortium (VERA)
Council of Scottish Chambers of Commerce (SAUO)
Council of State Chambers of Commerce (EA)
Cumulative Sum Control Charts - Statistics
Cutaneous Squamous Cell Carcinoma - Medicine (DMAA)
Mendelson Center for Sport, Character, and Culture - University of Notre Dame (RCD)