Campus Computing Network 
cloud condensation nuclei 
Contract Change Negotiation 
Contract Change Notice 
Contract Change Notification 
Change Control Number 
Claim Control Number 
Classification Change Notice 
Cloud Condensation Nucleus 
community care network 
Computer Communication Network 
Cost Charge Number 
Customer Coordination Node 
Campus Care Network 
Canadian Cochrane Network 
Carrier Comfort Network 
Carrier Control Number 
Catalog Card Number 
Catalogue Collectif National des Publi… 
caudal central nucleus 
Center for Cognitive Neuroscience 
central computing network 
cerebrocortical necrosis 
Certification Control Number 
Certified Clinical Nutritionist 
Certified Clinical Nutritionists 
cervical nucleus 
Change Control Notice 
Characterization Change Notice 
Chinese Communist Navy