- Federal - persons employed by the federal government on a full-time basis. This is a nonvoting membership and not available to those charging a fee for personal services in a related field.
- Alumni - Former APTAC members who are no longer employed by a PTAC and are not currently employed by another organization and/or charging a fee for personal services in a related field. Subject to Board approval.
- Other - any individual, agency and/or organization deemed beneficial to APTAC and the membership. TBD by the Board on a case-by-case request.
These categories are all non-voting membership levels.