consortium(n = noun.group) pool, syndicate - an association of companies for some definite purpose;
is a kind of association
has particulars: cartel, combine, corporate trust, trust

consortium, n. (pl. consortia or consortiums)
1 an association, esp. of several business companies.
2 Law the right of association with a husband or wife (loss of consortium).

Etymology:
L, = partnership (as consort(1))