| BRBelt Railway CO of Chicago | Bedford Park | — | ◇ UNVERIFIED |
| BCBorden Chemical Forest Park Plant | Forest Park | — | ◇ UNVERIFIED |
| BLBridgeport Landings LLC | Chicago | — | ◇ UNVERIFIED |
| CCCandy & CO | Chicago | — | ◇ UNVERIFIED |
| CCCandy & CO | Chicago | — | ◇ UNVERIFIED |
| CPCarbit Paint CO | Chicago | — | ◇ UNVERIFIED |
| CCCedar Concepts INC | Chicago | — | ◇ UNVERIFIED |
| CCCenterbridge Capital Partners Iii, L.p. | Riverdale | — | ◇ UNVERIFIED |
| CQChicagoland Quad Cities Express, INC. - Bridgeview | Bridgeview | — | ◇ UNVERIFIED |
| CMChicago Metallic Corp-interfinish Plant | Bridgeview | — | ◇ UNVERIFIED |
| CSChicago Specialties, LLC | Chicago | — | ◇ UNVERIFIED |
| CMChilo Manufacturing & Plating Company | Chicago | — | ◇ UNVERIFIED |
| CLChroma Liquid Color CORP | Chicago Heights | — | ◇ UNVERIFIED |
| CJC J R Processing CO | Des Plaines | — | ◇ UNVERIFIED |
 Clarke Mosquito Control Products INC. | Schaumburg | — | ◇ UNVERIFIED |
| CPClorox Products | Chicago | — | ◇ UNVERIFIED |
| CICmic INC | Skokie | — | ◇ UNVERIFIED |
| CGCn Group | Melrose Park | — | ◇ UNVERIFIED |
| CCCommercial Cleanser CO | Schiller Park | — | ◇ UNVERIFIED |
| CCConsolidated Chemical Works LTD | Chicago | — | ◇ UNVERIFIED |
| CHCp Hall CO | Bedford Park | — | ◇ UNVERIFIED |
| CLCrawford Laboratories | Chicago | — | ◇ UNVERIFIED |
| COCudner & O'connor CO | Chicago | — | ◇ UNVERIFIED |
| DCDetrex CORP Solvent & Env Svc | Melrose Park | — | ◇ UNVERIFIED |
| DMDfg Mercury CORP | Evanston | — | ◇ UNVERIFIED |
| DCDober Chemical CORP | Midlothian | — | ◇ UNVERIFIED |
| DPDupli-color Products | Elk Grove Village | — | ◇ UNVERIFIED |
| DSDurable Specialty Coatings | Chicago | — | ◇ UNVERIFIED |
| EIEcp INC | Bedford Park | — | ◇ UNVERIFIED |
| EPEngineered Polymer Solutions (eps) INC D | Tinley Park | — | ◇ UNVERIFIED |
| EPEngineered Polymer Solutions INC | Chicago | — | ◇ UNVERIFIED |
| EIEnthone INC | Bridgeview | — | ◇ UNVERIFIED |
| FBFitzpatrick Bros INC | Chicago | — | ◇ UNVERIFIED |
| FIFlexterra INC | Skokie | — | ◇ UNVERIFIED |
| FPFlorida Plastics International INC | Evergreen Park | — | ◇ UNVERIFIED |
| FCFmc Corporation | Chicago | — | ◇ UNVERIFIED |
| FHFord Heights Ethanol LLC | Ford Heights | — | ◇ UNVERIFIED |
| FMFrank Miller and Sons INC | Riverdale | — | ◇ UNVERIFIED |
| FHFujifilm Hunt Chemicals USA INC | Rolling Meadows | — | ◇ UNVERIFIED |
| GIGenieco INC | Chicago | — | ◇ UNVERIFIED |
| GPGraham Paint & Varnish CO INC | Chicago | — | ◇ UNVERIFIED |
| HIHandschy Industries LLC | Bellwood | — | ◇ UNVERIFIED |
| HBH B Fuller CO. | Palatine | — | ◇ UNVERIFIED |
| HFHb Fuller Construction | Palatine | — | ◇ UNVERIFIED |
| HTHenkel Technology CORP | Chicago | — | ◇ UNVERIFIED |
| HSHexion Specialty Chemicals INC. | Matteson | — | ◇ UNVERIFIED |
| ISIndustrial Specialty Chemicals INC | Harvey | — | ◇ UNVERIFIED |
| IIInnophos INC | Chicago | — | ◇ UNVERIFIED |
| IIInx International Ink CO | Chicago | — | ◇ UNVERIFIED |
| IRIrmco-international Ref & Mfg CO | Evanston | — | ◇ UNVERIFIED |
