Central Office of Information 
CONI SEAL 
Critical Operational Issue 
Coast Orbital Insertion 
Co-Investigator 
Composite Optics, Inc. 
Come On In 
communication operation instructions 
Communications Operating Instructions 
Community of Interest 
Connection Oriented Interconnection 
Critical Operational Issues 
Critical Oxygen Index 
c oxidase I 
c oxidase subunit 1 
c oxidase subunit I 
c oxidase subunit I gene 
California Oregon Intertie 
Cardiac output index 
Centre for Organisation and Innovation 
Certificate of Indebtedness 
Certificate Of Inspection 
Certificates of Investment 
Change of Intermediaries 
Chronic orthostatic intolerance 
Class of Interface 
Cogent Communications Group, Inc. 
Co-Insurance 
collagen type I 
coloboma of iris, choroid and retina