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