The STAA has four categories of membership as described here:

Active members: Individuals and corporations and their branch offices or other entities (hereafter “persons”) who regularly engage in the distribution of seeds for planting within the State of Arizona, excepting retailers selling seed exclusively in packets, shall be eligible for active membership in the Association.

Associate members: Persons within or without the State of Arizona who are in any way engaged or connected with the seed industry or its allied branches, excepting those qualifying for active membership, shall be eligible for associate membership in the Association

Affiliate members: Affiliate Members. Individuals who wish to support the seed industry and maintain affiliation with Association members may belong as an affiliate member. No person qualifying for active or associate membership is eligible for affiliate membership in the Association

Research members: Persons engaged in plant science research at any public institution in Arizona shall be eligible for research membership in the Association.