Carlson Investigations, Inc., is a premier investigative agency that has been serving the entire Chicagoland area for more than a decade. Founded in 2004 by leading private investigator Susan L. Carlson, the firm specializes in surveillance and service of process for both private and public sector clients. As a small, family-owned business, Carlson Investigation prides itself on devoting significant time and attention to every client. The firm is often called upon to complete special projects that require a high-level of customization and intense client focus. If you would like more information, please visit the contact page and we will get back to you as soon as possible.