HCO


AcronymDefinition
HCOHtml Converter
HCOHarvard College Observatory
HCOHearing Carry-Over
HCOHubbard Communications Office (Scientology)
HCOHealth Care Organization
HCOHydraulic Clearance Optimization (gas turbine technology; Siemens)
HCOHealth Care Ombudsman (Vermont)
HCOHonor Code Office (Brigham Young University; Utah)
HCOHeavy Cycle Oil
HCOHuman Capital Office (various companies and government agencies)
HCOHollister Company (clothing line)
HCOHuman Capital Officer
HCOHelicopter Control Officer
HCOHierarchical Cycloid Overlay (algorithms)
HCOHead of Contracting Office
HCOHealth Care Officer
HCOHeights Chamber Orchestra (Cleveland Heights, OH)
HCOHC Orsteds Institute (Copenhagen, Denmark)