Your abbreviation search returned 17 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| HCO | Harvard College Observatory | |
| HCO | Hearing Carry-Over | |
| HCO | Hubbard Communications Office (Scientology) | |
| HCO | Health Care Organization | |
| HCO | Hydraulic Clearance Optimization (gas turbine technology; Siemens) | |
| HCO | Health Care Ombudsman (Vermont) | |
| HCO | Honor Code Office (Brigham Young University; Utah) | |
| HCO | Heavy Cycle Oil | |
| HCO | Human Capital Office (various companies and government agencies) | |
| HCO | Human Capital Officer | |
| HCo | Hollister Company (clothing line) | |
| HCO | Helicopter Control Officer | |
| HCO | Hierarchical Cycloid Overlay (algorithms) | |
| HCO | Head of Contracting Office | |
| HCO | Health Care Officer | |
| HCO | Heights Chamber Orchestra (Cleveland Heights, OH) | |
| HCO | HC Orsteds Institute (Copenhagen, Denmark) | |
Note: We have 58 other definitions for HCO in our Acronym Attic