I
- Inetworks Group, Inc.Chicago, IL
- Ingram, RudyChicago, IL
- Innvantage Group IncMorton Grove, IL
- Inproduction, IncWarrenville, IL
- Inproduction, Inc.Warrenville, IL
- International Contractors IncOakbrook Terrace, IL
- International Road Dynamics CorporationSpring Grove, IL
- International Road Dynamics CorporationSpring Grove, IL
- International Tower & SteelGlendale Heights, IL
- Ipcs Wireless, Inc.Geneseo, IL
- Iroquois CountyWatseka, IL
- Iroquois County Broadcasting Company Dba Wgpa RadioWatseka, IL
- Iroquois County Sheriff's PoliceWatseka, IL
- Irving, Martha LSpringfield, IL
- Isle of Dreams, LlcOak Park, IL
J
- J & O CommunicationsMarion, IL
- J F Edwards Construction CompanyGeneseo, IL
- J. Wright Building Center, Inc.Sparta, IL
- J3 Construction IncChicago, IL
- Jackson, County OFCarbondale, IL
- Janesville Cellular Telephone Company, Inc.Chicago, IL
- Jeanes Development GroupPalos Heights, IL
- Jerdon BroadcastingJacksonville, IL
- JF Electric, IncEdwardsville, IL
- Jko Media GroupMarshall, IL
- John Burns ConstructionOrland Park, IL
- John Martin LlcKenilworth, IL
- Johnson FarmsST Francisville, IL
- Jokers, Jean CCarlinville, IL
- Jokers, Lloyd LCarlinville, IL
- Joliet Public Schools District # 86Joliet, IL
- Jones ConstructionCrestwood, IL
- Jones Lang Lasalle AmericasChicago, IL
- Jones Lang Lasalle Americas, IncChicago, IL
- Jones Lang Lasalle Americas, Inc. (jll)Chicago, IL
- Jovon Broadcasting Corp.Tinley Park, IL
K
- K-five Construction CorporationWestmont, IL
- Kampen, DelmarBaileyville, IL
- Kankakee Valley Airport AuthorityKankakee, IL
- Kankakee, County ofKankakee, IL
- Karen M. Cox D/b/a Florida City RadioLa Grange, IL
- Keen, Irvin D Dba = Keens Electronic ServiceOlney, IL
- Kehrer Brothers Construction IncAlbers, IL
- Kelso-burnett CoRolling Meadows, IL
- KencomYorkville, IL
- Kennedy, John Dba = Bond BroadcastingGreenville, IL
- Kenny Construction CompanyNorthbrook, IL
- Key Tower LlcChicago, IL
- Kindred/moellerJacksonville, IL
- Kishwaukee CollegeMalta, IL
- KM Broadcasting of Guam, LlcSkokie, IL
- KM Communications, Inc.Skokie, IL
- KM Radio of Atlanta, L.l.c.Skokie, IL
- KM Radio of Breese, L.l.c.Skokie, IL
- KM Radio of Earlville, L.l.c.Skokie, IL
- KM Radio of Lovelady LlcSkokie, IL
- KM Radio of Pearson, L.l.c.Skokie, IL
- KM Radio of St. Johns, L.l.c.Skokie, IL
- Koener Electric, Inc.Bartonville, IL
- Kolda, GeraldFairview Heights, IL
- Kolda, Jerry MFairview Heights, IL
- Kone IncMoline, IL
- Kone IncMoline, IL
- Korte Construction Company, Inc.Highland, IL
- Kovas Communications, IncEvanston, IL
- Koziel LlcChicago, IL
- Kreative FlooringNaperville, IL
- Krusinski Construction CompanyOak Brook, IL
- Kuhn, Ian MElgin, IL
- Kutrovatz Properties, LlcElgin, IL
- Kvos-tv LlcChicago, IL
- Kwm Enterprises CorpAlgonquin, IL
L
- L & L Larsen Electric, Inc.Morris, IL
- L3harris Technologies, Inc.Aurora, IL
- Lacon Sparland Fire DepartmentLacon, IL
- Lafayette, RobertLA Grange, IL
- Lag&f FarmsSt. Anne, IL
- Laidlaw Transit, Inc.Naperville, IL
- Laing, William JLake Bluff, IL
- Lake, County OFLibertyville, IL
- Land Services IncPort Byron, IL
- Landmarc Environmental Systems L L CNaperville, IL
- Lang, Tyler KHighland Park, IL
- Langford BroadcastingChicago, IL
- Langford Jr, LarryChicago, IL
- Lankford Construction Co, Inc.Johnsburg, IL
- Lansing Municipal AirportLansing, IL
- Lasalle CountyOttawa, IL
- Lasalle County BoardOttawa, IL
- Lastovka RichardDowners Grove, IL
- Lawless, Brian JLA Grange, IL
- Lawless, Brian JLA Grange, IL
- Lawrence CountyLawrenceville, IL
- LB Sports Productions LlcRaymond, IL
- Lee County Emergency Telephone System BoardDixon, IL
- Leibold Irrigation IncEast Dubuque, IL
- Lena Radio IncFreeport, IL
- Leopardo Companies IncHoffman Estates, IL
- Leopardo Construction IncHoffman Estates, IL
- Leslie, KevinAlbion, IL