| CICaterpillar INC | Peoria | IL | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| CICaterpillar INC - Mossville Facility | Mossville | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCatty CORP | Huntley | IL | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| CAChicago Allis Mfg CORP | Chicago | IL | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| CPCima Plastics CORP | West Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CECircuit Etching Technics INC | Elk Grove Village | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CNClayens Np USA INC | Crystal Lake | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CPCommercial Products Group | Carol Stream | IL | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| CICom-pac International INC | Carbondale | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCConsolidated Container CO | Elk Grove Village | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| CCConsolidated Container CO LP | Harvard | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| CCContech Construction Products | Springfield | IL | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| CMContemporary Marble INC | Columbia | IL | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CMCorpak Medsystems | Wheeling | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CPCpi Packaging INC | Chicago Heights | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| CMCreative Marble INC | Champaign | IL | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CMCr Marble INC | Champaign | IL | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CCCustom Coating Innovations | Lebanon | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCustom Coating Innovations INC | Belleville | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CPCustom Plastics | Elk Grove Village | IL | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| CTCustom Tapes INC | Harwood Heights | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| DTDiller Tile Company INC. | Chatsworth | IL | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| DSDip Seal Plastics INC | Rockford | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DCDiversified Composites CORP | Rock Falls | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DKD & K International INC | Elk Grove Village | IL | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| DCDow Chemical Joliet Site | Channahon | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| DCDuratech Corporation | Centralia | IL | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| EPEaglebrook Plastics INC | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| EPEngineered Plastic Componets | Rantoul | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ELEzflow LP | Monticello | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FUFagerdala USA INC | Mendota | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FCFairmont CORP Carpet Cushion Plant | Chicago | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FIFiberbasin INC | Aurora | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FIFiberbasin INC | Aurora | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FIFiberbasin INC | Aurora | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FFilmquest | Bolingbrook | IL | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| FCFisher Container CORP | Buffalo Grove | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| FIFlexicon INC | Crystal Lake | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| FPFlex Pak Packaging Products INC | Batavia | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| FIFluoro-seal INC | West Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FPFortis Plastics LLC | Carlyle | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FPFree-flow Packaging International | Thornton | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FEFresh Express | Streamwood | IL | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| GMGateway Marble Products | Fulton | IL | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| GDGendex Dental Systems | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
 General Packaging Products INC | Chicago | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| GNGood Natured Products Illinois LLC | Richmond | IL | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| GPGraham Packaging Plastic Products INC | Chicago | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| GPGraham Packaging Plastic Products INC | Vandalia | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| GBGreif Bros CORP | Lockport | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
