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

» International Household Manager    Information on household managers, estate managers, majordomos, butlers, executive housekeepers, personal assistants.    http://www.geocities.com/householdmanagerinformation/

» 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/