Investigation Services & Surveillance

HISI’s commitment to our clients is to conduct professional investigations and provide “first class” quality service. Our investigators include seasoned veterans from local police departments and the United States government.


General Services:


Case Development: Planning and conducting interviews, research, evidence identification, and professional reporting.


Surveillance: As required by the client to disclose suspicious, covert or unreported activities.


Surveillance Detection: Assisting clients to determine if they, or their place of business are under surveillance (physical or technical.)


Skip Tracing/ Locating Services: Computerized capability to identify last know locations of persons; potential phone numbers, relatives, criminal conviction history, previous employment, neighbors and biographical details.


Please call (618) 310-1500 to speak with an investigative professional, or use the Contact form on the bottom-left of the web-page to send in your request.


    Website designed by: Ian Whitmore                                                                                                          
Copyright: PSGI/HISI/MATC   2017

PSGI: (618) 310-1700

HISI: (618) 310-1500

OFFICE FAX: (618) 825-9444



#144 Lincoln Place Court

Bellleville, IL 62221