KP
army
army group
battalion
battery
battle group
board
board of directors
board of regents
board of trustees
brigade
bunch
cabal
cabinet
camarilla
case
casement
casing
cell
charmed circle
chassis
circle
clan
clique
closed circle
cohort
column
combat command
combat team
company
corps
coterie
council
crew
crowd
detachment
detail
directorate
directory
division
doorframe
elite
elite group
executive arm
executive committee
executive hierarchy
fabric
field army
field train
file
cader
core
core group
nucleus