| IBIl Bell Telephone CO Dba At&t Illinois | Chicago | — | ◇ UNVERIFIED |
| IBIl Bell Telephone CO Dba At&t Illinois | Chicago | — | ◇ UNVERIFIED |
| IIIllico INC | Centralia | — | ◇ UNVERIFIED |
| IWIllinois-american Water CO | Alton | — | ◇ UNVERIFIED |
| IWIllinois-american Water Company San Koty Facility | Peoria | — | ◇ UNVERIFIED |
| IBIllinois Bulk Carriers | Chicago Heights | — | ◇ UNVERIFIED |
| ITIllinois Tire Recycling INC | Cicero | — | ◇ UNVERIFIED |
| IPIncon Process Systems LLC | St Charles | — | ◇ UNVERIFIED |
| IHIndiana Harbor Belt | Franklin Park | — | ◇ UNVERIFIED |
| IRIndiana Recycling & Renewable Fuels LLC | Chicago Heights | — | ◇ UNVERIFIED |
| IJIngenco Joliet Facility | Joliet | — | ◇ UNVERIFIED |
| IHIntermet Havana Foundry | Havana | — | ◇ UNVERIFIED |
| IWIronwood West Subdivision | Champaign | — | ◇ UNVERIFIED |
| JIJabco Industrial Services | Yorkville | — | ◇ UNVERIFIED |
| JAJ & a Cartage | Palatine | — | ◇ UNVERIFIED |
| JIJayvir INC | Litchfield | — | ◇ UNVERIFIED |
| JWJd Weber Grain Storage & Drying | Osco | — | ◇ UNVERIFIED |
| JJimax | Peoria | — | ◇ UNVERIFIED |
| JJJ & J One Hour Cleaners INC | Bensenville | — | ◇ UNVERIFIED |
| JVJks Ventures INC | Melrose Park | — | ◇ UNVERIFIED |
 Johns Manville - Waukegan | Waukegan | — | ◇ UNVERIFIED |
| JPJohnson-pate Pork | Dekalb | — | ◇ UNVERIFIED |
| JMJoliet Mi LLC | Joliet | — | ◇ UNVERIFIED |
| JYJoliet Youth Center-dept of Corrections | Joliet | — | ◇ UNVERIFIED |
| JHJoseph H. Warner and Gerald E. Warner | Paxton | — | ◇ UNVERIFIED |
| JMJoseph M. Trautman | Champaign | — | ◇ UNVERIFIED |
| JMJp Morgan Chase | Chicago | — | ◇ UNVERIFIED |
| JUJ&r Used Tire Service | Danville | — | ◇ UNVERIFIED |
| JPJtd Powder | Franklin Park | — | ◇ UNVERIFIED |
| JLJuno Lighting Grp %acuity Brands CO | Des Plaines | — | ◇ UNVERIFIED |
| JPJw Peters & Sons INC | Lockport | — | ◇ UNVERIFIED |
| KCKankakee Ccdd Facility | Kankakee | — | ◇ UNVERIFIED |
| KSKc Sales INC | Canton | — | ◇ UNVERIFIED |
| KIKearney-national INC | Huntley | — | ◇ UNVERIFIED |
| KTKeen Transport INC | Decatur | — | ◇ UNVERIFIED |
| KBKen Bush | Dwight | — | ◇ UNVERIFIED |
| KCKendall County Concrete Crushing INC | Joliet | — | ◇ UNVERIFIED |
| KEKeyrock Environment LLC | Galatia | — | ◇ UNVERIFIED |
| KCKirk C&d Recycling INC | Bloomington | — | ◇ UNVERIFIED |
| KDKirk Demolition | Bloomington | — | ◇ UNVERIFIED |
| KHKirk Holdings | Bloomington | — | ◇ UNVERIFIED |
| KHKirk Holdings LLC | Normal | — | ◇ UNVERIFIED |
| KGKlatt George | Champaign | — | ◇ UNVERIFIED |
| KCKnapp Concrete Contractors INC | Goodfield | — | ◇ UNVERIFIED |
| KSKnoll Steel INC | Spring Grove | — | ◇ UNVERIFIED |
| KAKobelco Advanced Coating (america) INC | Buffalo Grove | — | ◇ UNVERIFIED |
| KTKramer Tree Specialist INC | West Chicago | — | ◇ UNVERIFIED |
| KFKropp Forge | Cicero | — | ◇ UNVERIFIED |
| KTK&s Tire Recycling INC | Chicago Heights | — | ◇ UNVERIFIED |
| LCLa Casa Del Pueblo | Chicago | — | ◇ UNVERIFIED |
