Legal treatises discussing the collection and enforcement of judgments include Collection Actions - Defending Consumers and Their Assets (National Consumer Law Center) and Judgement Enforcement (Aspen).
If you need to hire a company to locate bank accounts and/or investment accounts and/or collect a judgment for you, try CheckMate Strategic Group, Financial Forensic Services, Inc, Lutz Asset Research (212-760-0242), Source One Equity Ventures (845-724-5908 or 941-727-1894 or 941-751-2737; email@example.com or firstname.lastname@example.org) or a competitor. You can locate other companies through
the National Judgment Network.
Foreign Judgments: For information on collecting/enforcing foreign judgments in the U.S., see the US chapter of International Recognition and
Enforcement of Money Judgments (Business Laws, Inc.). For state laws, see the "Judgments" section in the "Civil Actions and Procedure" category in the Martindale-Hubbell Law Digest for the relevant state.
Foreign Countries: For information on how to collect U.S. judgments in foreign countries, see:
Enforcement of Money Judgments Abroad by Lawrence Newman and Philip Weems;
International Recognition and
Enforcement of Money Judgments (Business Laws, Inc.);
International Litigation: A Guide to Jurisdiction, Practice and Strategy;
Enforcement of Foreign Judgments;
Enforcement of Foreign Judgments Worldwide;
The relevant entry in the Martindale-Hubbell international law digests; and/or
The U.S. State Department summary on Enforcement of Judgments.
The International Chamber of Commerce has drafted Uniform Rules for Collections.