High School	High school students enrolled in business and marketing education courses.
Delta Epsilon Chi	Junior College/Community College students enrolled in postsecondary programs of merchandising, marketing and management.
Collegiate	College or university students preparing for careers as teacher-coordinators and DECA chapter advisors.
Professional	Membership includes chapter and state advisors, parents, supervisory personnel, business and industry representatives, board of education members, local and state advisory committee members.
Alumni	Provides a means by which business and marketing education students can maintain association with DECA. Members support DECA programs of student activity on a local, state and/or national level. Membership is available to any former high school, Delta Epsilon Chi, or collegiate DECA member or any member of these divisions who is completing their last semester prior to graduation.