| IBIl Bell Telephone CO Dba At&t Illinois | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IBIl Bell Telephone CO Dba At&t Illinois | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IIIllico INC | Centralia | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IWIllinois-american Water CO | Alton | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IWIllinois-american Water Company San Koty Facility | Peoria | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IBIllinois Bulk Carriers | Chicago Heights | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ITIllinois Tire Recycling INC | Cicero | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IPIncon Process Systems LLC | St Charles | IL | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| IHIndiana Harbor Belt | Franklin Park | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IRIndiana Recycling & Renewable Fuels LLC | Chicago Heights | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IJIngenco Joliet Facility | Joliet | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IHIntermet Havana Foundry | Havana | IL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| IWIronwood West Subdivision | Champaign | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JIJabco Industrial Services | Yorkville | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JAJ & a Cartage | Palatine | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JIJayvir INC | Litchfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JWJd Weber Grain Storage & Drying | Osco | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JJimax | Peoria | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JJJ & J One Hour Cleaners INC | Bensenville | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JVJks Ventures INC | Melrose Park | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Johns Manville - Waukegan | Waukegan | IL | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| JPJohnson-pate Pork | Dekalb | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JMJoliet Mi LLC | Joliet | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JYJoliet Youth Center-dept of Corrections | Joliet | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JHJoseph H. Warner and Gerald E. Warner | Paxton | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JMJoseph M. Trautman | Champaign | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JMJp Morgan Chase | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JUJ&r Used Tire Service | Danville | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JPJtd Powder | Franklin Park | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JLJuno Lighting Grp %acuity Brands CO | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JPJw Peters & Sons INC | Lockport | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKankakee Ccdd Facility | Kankakee | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KSKc Sales INC | Canton | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KIKearney-national INC | Huntley | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KTKeen Transport INC | Decatur | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KBKen Bush | Dwight | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKendall County Concrete Crushing INC | Joliet | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KEKeyrock Environment LLC | Galatia | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKirk C&d Recycling INC | Bloomington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KDKirk Demolition | Bloomington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KHKirk Holdings | Bloomington | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KHKirk Holdings LLC | Normal | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KGKlatt George | Champaign | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKnapp Concrete Contractors INC | Goodfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KSKnoll Steel INC | Spring Grove | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KAKobelco Advanced Coating (america) INC | Buffalo Grove | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KTKramer Tree Specialist INC | West Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KFKropp Forge | Cicero | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| KTK&s Tire Recycling INC | Chicago Heights | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LCLa Casa Del Pueblo | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
