| Abbreviation | Definition |
|---|---|
| HGAC | Historic Gettysburg Adams County |
| HHCC | Healthy Henry County Communities |
| HKCC | Healthy King County Coalition |
| HL | Heart Land |
| HLUET | Housing, Land Use, Environment and Transportation Committee (Santa Clara County, California) |
| HNYC | Homeless Network of Yakima County |
| HOBC | Hospice of Broward County |
| HOCC | Homeschoolers Of Collier County |
| HOCC | Housewives Of Coxville County |
| HSDC | Historical Society of Dauphin County |
| HSDC | Humane Society of Davie County |
| HSDC | Humane Society of Delaware County |
| HSEC | Humane Society of Elkhart County |
| HSEC | Humane Society of Elmore County |
| HSFC | Humane Society of Forsyth County |
| HSLC | Humane Society of Levy County |
| HSLC | Humane Society of Logan County |
| HSMC | Humane Society of Manatee County |
| HSMC | Humane Society of Marathon County |
| HSMC | Humane Society of Marion County |