Cis Investigation Service 900 W Jackson Blvd Chicago IL Tel (312) 226-0384 Private Investigation              MAP Pinkerton Consulting and Investigations 20 S Clark St Chicago IL Tel (312) 236-6363 Private Investigation              MAP Intrepid Investigations 205 W Randolph St Ste 1310 Chicago IL Tel (312) 332-2267 Private Investigation              MAP Lasker Investigations 134 N La Salle St Chicago IL Tel (312) 332-2522 Private Investigation              MAP El Johnson Investigations 53 W Jackson Blvd Ste 915 Chicago IL Tel (312) 583-1167 Private Investigation              MAP Andrews and Association 33 N Dearborn St Ste 600 Chicago IL Tel (312) 606-0222 Private Investigation              MAP Investigative Service Agency Inc 1 E Wacker Dr Chicago IL Tel (312) 755-9700 Private Investigation              MAP Burnside Investigations Inc 400 E Randolph St Apt 1402 Chicago IL Tel (312) 938-1776 Private Investigation              MAP Heritage Investigations 123 W Madison St Chicago IL Tel (312) 987-1828 Private Investigation              MAP Whitehouse Joel A - Whitehouse Investigations Inc 110 W Grand Ave Chicago IL Tel (312) 988-4633 Private Investigation              MAP ASG Investigations 161 N Clark St Chicago IL Tel (888) 677-9700 Private Investigation              MAP