| Acronym | Definition | 
|---|
| HSCO➣Humane Society of Central Oregon (animal shelter and adoption services; Bend, OR) | 
| HSCO➣High Speed Cobalt (material used to make metal cutting end mills) | 
| HSCO➣Human Services Coalition of Oregon (advocacy group) | 
| HSCO➣Hepatoma Subtracted Clone One | 
| HSCO➣Hawaii Society of Clinical Oncology |