The following individuals may apply for membership to the the Agricultural Laboratory Testing Association:
- OWNER - OPERATOR: Any laboratory providing agriculture testing services in North America may be granted an active membership for one year by paying the annual membership dues.
- LABORATORY SUPERVISOR - TECHNICIAN: Any individual qualified by educational degree or experience and actively engaged in laboratory testing may be granted an active membership by paying the annual membership dues.
- AGRONOMIST - CONSULTANT: Any individual qualified by educational degree or experience to advise farmers and agriculturally related industry personnel in the areas of agronomic practices, and who is actively engaged in the business of such advising, and who uses an ALTA-SAC or ALTA-PAC laboratory, may be granted an active membership for one year by paying the annual membership dues.
- EDUCATIONAL MEMBERSHIPS: A membership conferred on members of the educational and advisory committee and other persons in the educational community who wish to be involved. (Does not require dues and does not have voting rights)
- AFFILIATE MEMBERSHIP: A membership shall be granted to persons who have expressed an interest in the Agriculture Laboratory Testing Association active membership for one year by paying the annual membership dues. (No voting rights)
- HONORARY MEMBERSHIP: Granted to a deserving individual who has supported the association by past actions. (Does not have voting rights, but is granted lifetime membership; no dues required.