What does fio stand for?

Free In and Out - Business term (EBF)

Far Infrared Observation (SAUS)

Federacion Internacional de Oleicultura - International Olive Oil Federation - Rome, Italy - Defunct (EA)

Federation Internationale d'Oleiculture - International Olive Growers Federation

Fellow of the Institute of Ophthalmic Opticians - British

Fibrogenesis Imperfecta Ossium - Medicine (EDAA)

Field Input/Output - Computer science (ECII)

Field Intelligence Officer - British military (DMA)

Fiocchi-Pardini - NCIC firearms make code (NCIC)

Fleet In and Out (DNAB)

Fleet Information Office (SAUO)

Fleet Instruction Officer - Navy - British

Fleet Intelligence Officer

Florida Institute of Oceanography

Food Investigation Organization (SAUO)

Force Integration Office - Military technology (DDF)

Force XXI Integration Office (SAUS)

Foreign Intelligence Office

For Information Only (AAG)

Formula-I-Marine Inc., Miami Beach, FL - Manufacturer code for watercraft hull identification number (USCG)

Fraction Inspired Oxygen - Physiology

Free In and Out - Shipping

Frequency In and Out (SAUS)

Furnished and Installed by Others (SAUS)

Paducah, KY - Location identifier - FAA (FAAL)