Answer: AFLCIO

AnswerCrossword Clue
AFLCIOMerger result of 1955
AFLCIOBig workers' grp.
AFLCIOBig workers' grp. since 1955
AFLCIOBig workers' group
AFLCIOU.S.'s largest alliance of trade unions
AFLCIOUnion union
AFLCIOGrp. formed in a 1955 merger
AFLCIOResult of a '55 union merger
AFLCIOOrg. with a handshake in its logo
AFLCIOGeorge Meany's org.
AFLCIO1955 merger
AFLCIOWorkers' org.
AFLCIOPowerful union
AFLCIOMeany once headed it
AFLCIOResult of a 1955 merger
AFLCIOLargest union group in the US
AFLCIO1955 union merger
AFLCIOLabor gp. formed in 1955
AFLCIOUnion created by a 1955 merger, briefly
AFLCIOBig union letters
AFLCIOLargest U.S. union org.
AFLCIOUnion union, briefly
AFLCIOGrp. created by a 1955 merger