1. Categories of Membership
ISM
Affiliate
Comments
Type
Professional Plus Membership
Professional Plus Membership
A Professional Plus Member is an individual member of ISM and an affiliate.
Voting
Volume Discount Membership
Companies with 50+ members whose Professional Plus Membership is discounted 25% from both the ISM and the affiliate portions of Professional Plus Membership dues.
Professional Membership
Associate Membership
Individual is either a member of ISM (Professional Member) or a member of an affiliate (Associate Member), but not both.
Professional: Voting
Associate: Votes on affiliate agenda only
Corporate Program Members
Affiliate Membership (labeled ASSOC-CORP)
ISM Corporate Program: A corporation pays an annual flat fee based on annual revenue for a package of benefits that includes Professional Membership for all of its supply management employees.
An Affiliate Member is an individual ISM Professional Member through the ISM Corporate Program who also belongs to his/her affiliate.
Direct: Voting
Dual Member
The second affiliate membership of a Professional Plus Member. The ISM dues are paid through the affiliate where they hold Professional Plus Membership.

2. Membership Terms and Acronyms
Direct Recruit (DR)
Professional Plus Member who joined through ISM
Labeled Direct Recruit through 1st anniversary of membership
Professional Member (PM)
Member of ISM only
Renew
Dues Payment Programs
Affiliate Dues Billing Program (ADB)
Volume Discount Member (VDM)
Semi-Annual Dues Invoice (SA)