Corporation for Public Broadcasting 
Charged Particle Beam 
Coastal Patrol Boat 
Centaur Processing Building 
cardiopulmonary bypass 
Central Processing Board 
competitive protein binding 
Call Processing Busy 
CAMPBELL SOUP CO. 
Campbell Soup Company 
Canada Premium Bond 
Capital Planning Board 
carboxypeptidase B 
cardiopulmonary bypass surgery 
celiac plexus block 
Center for Public Broadcasting 
Central Payroll Bureau 
Central Production Branch 
Centre for Population Biology 
Certified Personal Banker 
cetylpyridinium bromide 
Change Planning Board 
Channel Program Block 
Charged Particle Beams 
Civilian Personnel Bulletin 
Clausen Power Blade 
Colombo Planning Bureau 
Colorado potato beetle 
Commercial Public Broadcasting 
Committee to Protect Bloggers