See also:

• Business: Business Services: Fire and Security: Security: Investigation  (875)
• Society: Genealogy: Services: Researchers  (176)

• American Genealogical Research - Forensic genealogy and probate research service exclusively for attorneys and bank trust officers.
• American Research Bureau (ARB) - International probate researchers identify and find missing heirs and unknown heirs.
• Amerifind People Search - Find missing friends or family living in the United States.
• Big Hugs - Provides online searches and sells a locator kit.
• Blood-Ties Tracing Service - Specialises in reuniting missing family and friends. Includes legal and probate work, articles, newsletter, code of ethics, and help organising reunions.
• Carlson Detective Agency - Private investigation firm specializing in locating missing persons, background checks, verification services.
• Champion & Champion - Research specializing in unknown and missing heirs. Certified documentation, legal reports, due diligence.
• Deadbeat Dad Finders - Specialized in finding non-custodial parents for child support purposes.
• Deadbeat Dads - Located by social security number or last known address.
• Detective Finder. com - US people and asset finder service.
• DorianData - Consortium of South Florida researchers.
• Employee Locator - Service for finding lost plan participants, missing employees.
• Etude Généalogique EXODE - International probate genealogists specialising in tracing and locating missing or unknown heirs and beneficiaries. [English/French/Dutch]
• EzPeopleSearch.com - Offering people tracing services for private and business clients. Includes search information and prices.
• Find A Friend - US people finding service. Includes searches available and prices.
• Global Information Services, Inc. - Locate missing people, uncover assets, conduct due diligence.
• Globe Information and Search Center - Commercial locator of people, personal records, and contact information in the United States. Includes price list.
• Hallstrom Detective Agency - Private investigators specialising in finding people and locating assets.
• Harvey Morse, P.A. - Probate attorney specializing in locating missing heirs that are entitled to monies or assets of which they are unaware.
• Investigation Services, LLC - Private investigations.
• Les Sources du Passé - Locates missing heirs, traces real estate titles, and genealogical research. [English and French]
• Locate People - People search, background and criminal checks, telephone and asset searches.
• Locate Records - Web search of adoption, military, death certificate, sex offenders, doctors, and bankruptcy records.
• Maiden Name - Searchable database of women whose names have changed.
• National Locator Services - Help with various kinds of background searches.
• National People Finders - Commercial people finder service.
• The Net Detective.com - Online private investigation and background check tool for locating or obtaining information on a specific individual.
• People Finders America - Friends, family, classmates and customized searches.
• People Search in Greece - Online service for finding people in Greece.
• People Search Tracing Services - Karen Bali runs a UK based professional tracing service. She is a trained genealogist. Find missing friends and relatives. Family research carried out.
• People Site - Online message board for missing persons, friends, and relatives.
• PeopleFinderNow.com - Specializes in reuniting adoptees and birth parents. Primarily database searches.
• Peoplesearch24 - Fee based service for finding missing persons in Germany or Austria. Order forms, about page and contact information.
• Peter Heims Private Investigator - Specialises in locating missing persons. Includes a list of services and service areas, experience, associations, and articles.
• Searcher Security - Specialists in missing children, elderly and pornographic location from emails. Corporate, personal and home security products available.
• Smartfind - Offering tracing services to find both people and businesses both in the United Kingdom and worldWide. Investigator and database searches available.
• Title Research - Locates missing heirs and next of kin for estate administration.
• UK People Search - A UK based investigator offering skip tracing, adoption tracing, and background checks. International clients accepted.