About Our Agency

Investigators of Illinois, Inc. is a licensed private detective agency authorized to conduct business in the States of Illinois and Missouri and have additional affiliate offices located throughout the United States.

Investigators of Illinois, Inc. offers complete investigative services including background investigations, corporate security consulting, and business/individual asset searches that can include bank account information.

Also offered is pre-trial preparation and interviewing, civil and criminal defense investigations, securities fraud investigations and the location of individuals anywhere in the United States. In addition to the above services, we also offer special process service and subscriber information for telephone numbers.

Our agency specializes in plaintiff and defendant antitrust investigations that have included, but are not limited to the Infant Formula, Baby Food, Vinegar, X-Ray Film, Wirebound Box and Glass Container anti-trust litigation's.

We are highly skilled investigators here to serve you and your most challenging investigative needs. Investigators of Illinois, Inc. continues to enjoy a reputation of providing clients with prompt, accurate, and cost-efficient service and remains in the forefront of the investigative industry by utilizing the latest technology available. Also, in order to accommodate our clients' needs, we are available 24 hours per day.