Crossword Clue:

having many members

AnswerCrossword Clue
GPSMany 16-Across members
OPECOrg. with many Mideast members
OPECGrp. with many Mideast members
ESQSMany A.B.A. members
MASMany members of 47-Across
DADSMany P.T.A. members
OPECAssn. with many Gulf members
DRSMany members of prestigious faculties: Abbr.
ARAPAHOSMany members of Wyoming's Wind River Reservation