Abbreviations beginning with H

HACNHome Agent Control Node
Academic & Science

HACNHousing Authority of the Cherokee Nation (Tahlequah, OK)
Academic & Science

HACNHawaii Army Cable Network
Governmental

HACNHorn of Africa Communities Network (Australia; refugee and migrant assistance)
Miscellaneous

HACOHigh Altitude Cerebral Oedema (altitude-related altered consciousness)
Academic & Science

HACOHarborfields Alliance For Community Outreach
Community

HACOHealth Action Charity Organisation
Community » Charity

HACOHuman Adaptation and Countermeasures Office (NASA)
Community

HACOHarborfields Alliance For Community Outreach
Governmental » Alliances

HACOHealth Action Charity Organisation
Medical » Healthcare

HACOHealthy Active Central Oregon
Miscellaneous » Unclassified

HACOHertfordshire Association of Cultural Officers (UK)
Miscellaneous

HACOHigh Altitude Cerebral Oedema
Miscellaneous » Unclassified

HACOHuman Action Community Organization (Harvey, IL)
Miscellaneous

HACOAHeart of America Corvair Owners Association (Missouri)
Miscellaneous

HACPHazard Analysis Critical Point
Academic & Science

HACPHousing Authority of the City of Pueblo (Pueblo, CO)
Academic & Science