consort
copartnership
consortium
A.
congress
partner
associationist
cahoot
partnering
league
stand
pact
axis
sodality
combination
consortial
associational
articles of incorporation
articles of organization
confederacy
interorganizationally
Marist
alliancer
membership marketing
mutual
associatory
mutual society
multiorganizational
multiorganization
join
body
hook up
associationistic
ergonym
sympoiesis
coassociation
confederation
connected
attached
affiliated
aggroupment
alist
syndicate
corporate
alignment
interorganization
ride the coattails
interorganizational
jointly
P3