Answer: aia

AnswerCrossword Clue
AIAFL coastal highway
AIABldg. designers' org.
AIAArchitects' org.
AIAArchitects' group: Abbr.
AIAArchitect's group: Abbr.
AIABuilding planners' org.
AIAPlanners' group: Abbr.
AIABuilding-planners' org.
AIAOrg. for Saarinen
AIAHome designers' org.
AIAPhilip Johnson's org.
AIAU.S. architects' org.
AIABuilding designers' gp.
AIAOrg. for Pei
AIAArchitects org.
aiain India, a maid or nurse, also AYAH