(Also Serving North East Illinois)
A solid reputation for effectiveness and results.
I.S.U. is Northwest Indiana's Leading Private Investigation Firm.
Our founder has over 40 years of combined law enforcement experience.
We utilize all the latest technology to conduct any type of covert surveillance.
I.S.U. specializes in infidelity investigations, background checks, fraud investigations, and other investigative services.
Our client needs are met in an efficient, timely manner.
All services are applied with the most strict and professional State and Federal regulated privacy standards.
We guarantee results.
PO Box 451 . St. John Indiana . 46373
Copyright 2008-2025 I.S.U Investigations, St. John, Indiana
License Number PI 20800300
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