| ECEquistar Chemicals LP Tuscola Plant | Tuscola | — | ◇ UNVERIFIED |
| EPEssex Pb&r | Edwardsville | — | ◇ UNVERIFIED |
| ECEuclid Chemical Fire | Sheffield | — | ◇ UNVERIFIED |
| EEExplosives Energies a Division of Aee | Morris | — | ◇ UNVERIFIED |
| FBFitzpatrick Bros INC | Chicago | — | ◇ UNVERIFIED |
| FIFlexterra INC | Skokie | — | ◇ UNVERIFIED |
 Flextronics International USA | Buffalo Grove | — | ◇ UNVERIFIED |
| FIFlint Ink North America CORP | Salem | — | ◇ UNVERIFIED |
| FIFlint Ink North America CORP | Carol Stream | — | ◇ UNVERIFIED |
| FPFlorida Plastics International INC | Evergreen Park | — | ◇ UNVERIFIED |
| FCFmc Corporation | Chicago | — | ◇ UNVERIFIED |
| FRFml Resin Cutler | Cutler | — | ◇ UNVERIFIED |
| FAForbo Adhesives LLC | Morris | — | ◇ UNVERIFIED |
| FHFord Heights Ethanol LLC | Ford Heights | — | ◇ UNVERIFIED |
| FPFormosa Plastics CORP | Illiopolis | — | ◇ UNVERIFIED |
| FMFrank Miller and Sons INC | Riverdale | — | ◇ UNVERIFIED |
| FBFrontida Biopharm LLC | Aurora | — | ◇ UNVERIFIED |
| FAFuel Alternatives LLC | Chebanse | — | ◇ UNVERIFIED |
| FHFujifilm Hunt Chemicals USA INC | Rolling Meadows | — | ◇ UNVERIFIED |
| GFGateway Fs INC | Waltonville | — | ◇ UNVERIFIED |
| GPGeneral Press Colors LTD | Addison | — | ◇ UNVERIFIED |
| GPGlanbia Performance Nutrition | Aurora | — | ◇ UNVERIFIED |
| GPGlanbia Performance Nutrition | Aurora | — | ◇ UNVERIFIED |
| GCGls Corporation | Cary | — | ◇ UNVERIFIED |
| GPGraham Paint & Varnish CO INC | Chicago | — | ◇ UNVERIFIED |
| HIHa International LLC | Aurora | — | ◇ UNVERIFIED |
| HIHa Intl. L.l.c. | Oregon | — | ◇ UNVERIFIED |
| HIHandschy Industries LLC | Bellwood | — | ◇ UNVERIFIED |
| HIHawkins INC Dba Vertex Chemical CORP | Dupo | — | ◇ UNVERIFIED |
| HBH B Fuller CO. | Palatine | — | ◇ UNVERIFIED |
| HFHb Fuller Construction | Palatine | — | ◇ UNVERIFIED |
| HAHelena Agri-enterprises, LLC - Casey, Il Facility | Casey | — | ◇ UNVERIFIED |
| HAHenkel Adhesives Corporation | Elgin | — | ◇ UNVERIFIED |
| HCHenkel CORP | Plainfield | — | ◇ UNVERIFIED |
| HCHenkel CORP | Carol Stream | — | ◇ UNVERIFIED |
| HFHenry Fertilizer | Henry | — | ◇ UNVERIFIED |
| HBHero Bx | South Roxana | — | ◇ UNVERIFIED |
| HSHexion Specialty Chemicals INC. | Matteson | — | ◇ UNVERIFIED |
| HIHospira INC | Lake Forest | — | ◇ UNVERIFIED |
| HEHydromet Environmental Recovery LTD | Newman | — | ◇ UNVERIFIED |
| IRIgm Resin INC | Bartlett | — | ◇ UNVERIFIED |
| IFIllini Fs INC | Tolono | — | ◇ UNVERIFIED |
| IBIllinois Biofuel Group LLC | Princeton | — | ◇ UNVERIFIED |
| ICIndustrial Color INC | Joliet | — | ◇ UNVERIFIED |
| ISIndustrial Specialty Chemicals INC | Harvey | — | ◇ UNVERIFIED |
| ISIneos Silicas Americas | Joliet | — | ◇ UNVERIFIED |
| IIInnophos INC | Chicago | — | ◇ UNVERIFIED |
| INInvenergy Nelson LLC | Rock Falls | — | ◇ UNVERIFIED |
| IIInx International Ink CO | Chicago | — | ◇ UNVERIFIED |
| IIInx International Ink CO. (r&d) | West Chicago | — | ◇ UNVERIFIED |
