As the ABC is a Licensed Private Detective Agency we can serve the summons and alias summons in cases delivered outside of Cook County without a special appointment even if the case is filed in Cook County.

Pre-printed Motions & Orders for special process servers are available. (call to have a set sent)

Exciting News! As of January 1st 2018 Stern Process & Investigation, LLC is becoming ABC Legal

Stern Process & Investigation, LLC is merging with ABC Legal Services.

What does this mean for you and your law practice?

With Illinois moving to e-filing, you’ll have access to a leading e-filer with years of proven experience e-filing in California, Texas, Florida and integrated with Tyler’s system for automation that can save your law firm time and money.  We think you’ll also enjoy expansive coverage for service in 25 states as well as additional software and web services all without losing the local touch you have grown to enjoy and trust.

All of Stern Process & Investigation, LLC staff and process servers remain the same. 
Our office location at 4645 N Rockwell St 1st Floor Chicago IL 60625 also remains completely the same.

Starting  2018 you can appoint ABC Legal Services as your process server (although the Stern Process & Investigation license will remain in place for the 1st Quarter of 2018).

Now your firm will have the advantages of the Stern Process & Investigation, LLC staff and servers and the nationwide ability to serve anyone across the United States with ABC Legal Services vast network of process servers. ABC Legal is a national leader in court filing and service of process and is known for building custom software solutions for law practices that help manage unique business rules and client requirements. Learn more at

The entire staff of Stern Process & Investigation look forward continuing to service your firm under our new name:

Please make any payments to the new company name: