What does FEO stand for?

Facility Emergency Organization - Nuclear energy (NRCH)

Federal Energy Office - Later, FEA

Federal Executive Office (SAUO)

Federal Ordnance - NCIC firearms make code (NCIC)

Federation of Economic Organizations (SAUO)

Feodosiya - Former USSR - Seismograph station code, US Geological Survey - Closed (SEIS)

Field Engineering Order (KSC)

Field Extension Office - DoD

Flag Engineering Officer - British

Fleet Engineer Officer - Obsolete - British

Flora Europaea Organization - British

Fuel-Efficient Oil

Ski-Free Marine Corp., Redmond, WA - Manufacturer code for watercraft hull identification number (USCG)