21. ICS/PICS - Full service firm based in Anaheim providing service to business, insurance and the legal community. http://www.icspics.com/

22. InCase - Services for attorneys, businesses and individuals, nationwide. http://www.incaseconfidential.com/

23. International Intelligence Group - Specializing in background checks, surveillance, missing persons, San Francisco. http://www.iig-pi.com/

24. Investigation Logic, Inc. - Provides litigation support services to the California legal community. http://www.investigationlogic.com/

25. J R Investigations - Specializing in locating missing persons and locating assets. http://www.cali-pi.com/

26. Jack Trimarco & Associates - Polygraph testing and private investigation services. http://www.jacktrimarco.com/

27. Jim Williams Investigations - Professional confidential investigations with judgment recovery and enforcement. http://www.jimwilliamsinvestigations.com/

28. JMN Investigations - Workplace violence and background checks, Lodi. http://www.jmninvestigations.sleuth.net/

29. Katz Investigations - Investigative agency with offices in Beverly Hills. http://www.katzinvestigations.com/

30. Martin Investigating Services - A full-service agency composed of former federal agents, located in Anaheim. http://www.martinpi.com/

31. Nelson & Nelson Investigations - Specializes in surveillance & activity checks, Irvine. http://www.nelson-nelson.com/

32. Northern California Private Investigations - Service representing individuals and businesses, Redding. http://www.norcalpi.com/

33. Paladin Investigative Services - Specializes in homicide involving firearms, Ventura. http://www.paladininvestigations.com/

34. Paladini Investigations - Domestic, premarital and surveillance, Petaluma. http://www.paladinipi.com/

35. ProtectiveBiz.com - Provides corporate security, investigations, competative intelligence, pre-paid Legal Services. http://www.protectivebiz.com/

36. R Hahn & Company, Inc - Consulting and investigative services, specializing in counter-terrorism and explosives. http://www.rhahninc.com/

37. Randy G. Torgerson P.I. - Litigation support for civil and criminal cases in Laguna Hills. http://www.investigator.torgerson.com/

38. Robert Scott, P. I. - Specializing in background, fraud and missing person investigations. http://www.robertscottpi.com/

39. Rogers Eagle Investigations - Offering investigation services for the insurance industry in San Diego. http://www.eagleshield.com/

40. Teller Group - Investigations and claims management in San Francisco and Los Angeles. http://www.tellergroup.com/