Acronym of HDO

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Search result from: HDO

High Definition Optics (various companies)

Health Delivery Organization (various organizations)

High Density Overlay (phenolic resin-impregnated plywood used in concrete forms)

Human Development Organization (Sri Lanka)

Holy Day of Obligation

Hearing Designation Order (FCC proceedings)

Healthcare Discount Organization (Addvantage Care)

Heavy Duty Oil

High Demand Occupation

Humanitarian Demining Operation

Hydrogen Deuterium Oxide

Headache During Orgasm

Homeland Defense Office

Housing Development Office