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Investigative Research Specialties

(800) 883-0672
Investigative Research Specialties


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The mission of IRS, Inc. is to serve your documents or complete your investigation in the most professional, cost-effective and time efficient manner possible. Ouf staff has over 20 years of combined experience in investigative work and looks forward to putting that experience to work for you. We provide statewide & nationwide private investigations with speed, accuracy and reliability. Our dependable and accurate investigators allow law practices, attorneys and clients to have a sense of confidence they won't find elsewhere.


  • Arson / Fire
  • Asset Search
  • Background Checks
  • Child Support / Custody
  • Civil
  • Computer Forensics / Crime
  • Crime Scene
  • Criminal
  • Domestic
  • Due Diligence
  • Electronic Data Discovery
  • Executive Protection
  • Forensic
  • Fraud
  • Infidelity / Cheating Spouse
  • Insurance
  • Judgment Recovery
  • Missing Persons
  • Polygraph / Lie Detector
  • Process Service
  • Public Records
  • People Locate / Skip Trace
  • Social Media
  • Surveillance
  • Workers Compensation
  • Wrongful Death

Service Guarantee

If IRS, Inc. can't locate a missing person or witness, there is no charge.

Areas of Coverage

  • Statewide Louisiana
  • Calcasieu
  • Cameron
  • Allen
  • Jeff Davis
  • Beauregard
  • East Baton Rouge
  • West Baton Rouge


  • LPIA
  • PInow
  • ServeNow

Contact Info

David Thomas
(800) 883-0672
Phone 2:
(337) 502-9474
P.O. Box 12347
Lake Charles, LA 70612

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Office Location

P.O. Box 12347
Lake Charles, LA
(800) 883-0672

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