- HMO
- Health Maintenance Organization (Medical » Physiology)* House In Multiple Occupation (Community)* Help Me Out (Internet » Chat)* Health Management Organization (Business » General)* Hiri Motu (Regional » Language Codes (3 Letters))* Henhouse Management Organization (Miscellaneous » Funnies)* Hand The Money Over (Regional » US Phone Area Codes)* Heave Mom Out (Internet » Chat)* How Many Obstacles (Governmental » Military)* Healthy Members Only (Miscellaneous » Funnies)* Hospital Maintenance Organizations (Medical)* Horrible Medical Organization (Miscellaneous » Funnies)* House of Multiple Occupants (Governmental » US Government)* Herosillo, Mexico (Regional » Airport Codes)* Healthy Men Only (Internet » Chat)* Hibbert Medical Office (Business » Firms)
Abbreviations dictionary. 2012.