Acton Lake. See Hueston Woods State Park.
Aeronautical Corp. of America (Aeronca). See Hook Field.
Aeronca (Aeronautical Corp. of America). See Hook Field.
Airports. See Butler County Airport; Hook Field,Middletown; Miami Airport⁄Miami University Airport, Oxford; and Ford Airport. Also see Fairfield Dog Track for Wedekind Flying Field.
AK Steel. See Armco.
Alexander Hamilton sculpture or Alexander Hamilton statue. See The American Cape.
Almareda Heights or Almeda Heights
American Cape. See American Cape
American Rolling Mill Company. See Armco.
American Steel Roofing Company. See Armco
American Tobacco Co. See Sorg Tobacco Co.
Anti-Aircraft Facility. See Nike Base.
Arthur Conrad Formal Gardens. See Conrad Formal Gardens.
Astronomical Observatory. See Miami Observatory.
Atlantic & Great Western Railroad. See Cincinnati, Hamilton & Dayton Railroad.
Atomic Plant. See Fernald.