Outdoor Amusement Business Association (OABA), the leading trade association representing carnivals, circuses, zoos, ride operators and concession owners, plus the manufacturers and suppliers who support them. OABA members are common partners for those supported by all of the other Association Alliance organizations.
International Association of Assembly Managers (IAAM), the leading organization committed to the professional operation of amphitheatres, arenas, auditoriums, convention centers/exhibit halls, performing arts venues, race tracks, stadiums and university complexes.
International Association of Amusement Parks and Attraction (IAAPA), the largest international trade association for permanently-situated amusement facilities worldwide, dedicated to the preservation and prosperity of the amusement industry. Member facilities include amusement/theme parks, waterparks, attractions, family entertainment centers, arcades, zoos, aquariums, museums, and miniature golf venues
International Association of Fairs & Expositions (IAFE), the leading association representing those who organize state, provincial, regional, and county agricultural fairs, shows, exhibitions, and expositions. IAFE's associate members include state and provincial associations of fairs, non-agricultural expositions and festivals, associations, corporations, and individuals engaged in providing products and services to its members, all of whom are interested in the improvement of fairs, shows, expositions, and allied fields.

The Association Alliance is currently made up of the:

International Festivals & Events Association (IFEA), the premiere association supporting and enabling festival and event professionals worldwide. The IFEA represents a broad cross-section of festivals, events of all types, municipalities, CVB's, chambers of commerce, tourism organizations, media, sponsors, educational institutions and suppliers, all serving this unique professional industry.