L
- Let's Pave, LlcOak Brook, IL
- Levi, Ray & Shoup, Inc.Springfield, IL
- Lewis And Clark Community CollegeGodfrey, IL
- Liberty Christian CenterAlton, IL
- Library Furniture International, LlcWheeling, IL
- Lincoln CollegeLincoln, IL
- Lincoln Land Communication's, Inc.Lincoln, IL
- Lincoln Land Communications, Inc.Lincoln, IL
- Lindblad Construction Company OF Joliet IncJoliet, IL
- Liqui Green Lawncare CorporationPeoria, IL
- Livewire Electrical Systems, IncOak Forest, IL
- Livingston CountyPontiac, IL
- Llc, Inc.Lincoln, IL
- Logan, County ofLincoln, IL
- Lola Wireless Communications And Consulting IncStone Park, IL
- Long Nine IncRockford, IL
- Long Nine, Inc.Springfield, IL
- Loyd Electric & AG Supply LlcSesser, IL
- Luhr Bros. Inc.Columbia, IL
- Luhr Crosby LlcColumbia, IL
- Lutheran General HospitalPark Ridge, IL
- Lyon WA LlcAurora, IL
M
- M K D Electric LlcElgin, IL
- M/i Homes of Chicago, Llc, a Delaware Limited Liability CompanyNaperville, IL
- Mac Industrial Services IncRochelle, IL
- Mac's Fire & Safety, Inc.Litchfield, IL
- Macon County EtsbDecatur, IL
- Macon, County OFDecatur, IL
- Macoupin County EtsbCarlinville, IL
- Macoupin County IL EtsbCarlinville, IL
- Mad Dash IncCrystal Lake, IL
- Madison Cellular Telephone CompanyChicago, IL
- Madison County EtsbWood River, IL
- Madison County Metro East Transit DistriGranite City, IL
- Madison County Metro East Transit DistrictGranite City, IL
- Madison Telephone CompanyHamel, IL
- Malone, JohnHinsdale, IL
- Manchester-nashua Cellular Telephone, L.p.Chicago, IL
- Marathon Media of Montana, L.p.Chicago, IL
- Marion County EtsbSalem, IL
- Marion, County ofSalem, IL
- Market Street Broadcasting, LlcRiver Forest, IL
- Martic, DragutinHarwood Heights, IL
- Martin Engineering Company Dba Martin Services Alabama IncNeponset, IL
- Mason County Emergency Telephone Systems BoardHavana, IL
- Mathie, John KChicago, IL
- Matthews-mccasky, SaraFlanagan, IL
- Mayer, Matthew PChicago, IL
- Mazda, SherenazOak Brook, IL
- MC Culloch, Keith EChicago, IL
- MC Gaughey, JamesVermont, IL
- Mcgrath, Michael pBrookfield, IL
- Mchenry County CollegeCrystal Lake, IL
- Mclean County 911 CenterBloomington, IL
- Mcshane Construction Company LlcRosemont, IL
- Mcwilliams Electric Company, Inc.Schaumburg, IL
- Mdb Construction Services IncRosemont, IL
- Mdi ElectricAlsip, IL
- Meade Electric CompanyMccook, IL
- Med Star AmbulanceSparta, IL
- Mediaone OF Illinois IncElmhurst, IL
- Medstar Ambulance IncSparta, IL
- MeeksBufflo Grove, IL
- Melgad Properties IncRoselle, IL
- Memorial HospitalCarthage, IL
- Menard Electric CooperativePetersburg, IL
- Mendota Fire DepartmentMendota, IL
- Mercy Hospital And Medical CenterChicago, IL
- Meridian IT Inc.Deerfield, IL
- Metamora Telephone CompanyMetamora, IL
- Metcad / City of ChampaignUrbana, IL
- Metcad 9-1-1Urbana, IL
- Methode Electronics, Inc.Carthage, IL
- Metra RailroadChicago, IL
- Metro Service CenterMetropolis, IL
- Metro Tech Service, LlcSchaumburg, IL
- Metroplex Communications, Inc.Alton, IL
- Meyer Material COLoves Park, IL
- Meyer Material CompanyStreamwood, IL
- Michigan Bell Telephone CompanySpringfield, IL
- Mid America Contracting IncColumbia, IL
- Mid Illinois Concrete IncEffingham, IL
- Mid-american Elevator Company, Inc.East Dundee, IL
- Midamerica Towers IncMokena, IL
- Midland General Contractors IncLoves Park, IL
- Midway Broadcasting Dba = Wvon-amChicago, IL
- Migala Communications Corp. D.b.a. Wcev RadioChicago, IL
- Migala Communications CorporationChicago, IL
- Milewski Nature Fund, Inc.Chicago, IL
- Militello Zanck & Coen PCCrystal Lake, IL
- Millcreek Broadcasting, L.l.c.Chicago, IL
- Milner Broadcasting Enterprises, LlcBourbonnais, IL
- Milner Media Partners, LlcBourbonnais, IL
- Minnesota Towers Holdings, LlcWheaton, IL
- Mixonsite Usa IncBuffalo Grove, IL
- Mkd Electric, LlcElgin, IL
- Mlco Construction LlcChicago, IL
- Mobile Radio Specialists IncGrayville, IL
- Modern Renovation Services IncYorkville, IL
- Moline Housing AuthorityMoline, IL