International Butler Academy
   Offers training programs for butlers, household managers, and personal assistants.
   http://www.butlerschool.com/

Professional Domestic Services & Institute
   A training facility and placement agency for household service staff, including household managers, personal assistants, and butlers. Located in Columbus, Ohio.
   http://www.housestaff.net

Starkey International Institute for Household Management
   Offers training and placement of service experts in household and estate management positions.
   http://www.starkeyintl.com/