The AAA, the KKK, the FFF, the BBB. Eyecatching. What other same letter triples are there?

AAA
Auto Club of America
Alcoholics Anonymous of America (?) That one I'm not sure of.

KKK
KU KLUX KLAN(white supremacists known for white sheets and lynchings and cross burnings)

FFF
FANATIC FRANTIC FRENZIED ( partisan politicians who shall remain nameless)

BBB
Better Business Bureau