Operating and Control Console Office of the Comptroller of the Curre… Options Clearing Corporation Operations Control Center Optical Channel Carrier Other Common Carrier Output Circuit Check Office of Chief Counsel Office of Corporate Communications Operations Control Centre Other Common Carriers Oakland Community College Office of Contract Compliance Onondaga Community College Operational Computer Complex Optical Call Controller Oakton Community College occasional occasionally connected computing Occidental Chemical Corporation occipital occiput occlusion Occulting Occupancy occupation oculocerebrocutaneous Oil Coordination Committee Old Corrugated Container Operations Computer Center
Operating and Control Console
Options Clearing Corporation