| EMElg Metals | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EBElston Block Plant | Chicago | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EWEmpire Wood Carving CO INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ESEnameled Steel and Sign CO | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| EGEngineered Glass Products L.l.c. | Chicago | IL | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| EPEngineered Polymer Solutions INC | Chicago | IL | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EGEnteron Group LLC | Chicago | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| EMEr Moore CO | Chicago | IL | Apparel Manufacturing315000 | — | ◇ UNVERIFIED |
| ECExodus Communications | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| FCFabien's Cabinets | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| FCFairmont CORP Carpet Cushion Plant | Chicago | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| FIFci INC | Chicago | IL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| FCFederal Chicago CORP | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FMFederal - Mogul Driveline Products | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| FUFervalue USA INC | Chicago | IL | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| FMFillip Metal Cabinet CO | Chicago | IL | Furniture and Related Product Manufacturing337124 | — | ◇ UNVERIFIED |
| FMFinished Metals INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| FBFitzpatrick Bros INC | Chicago | IL | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| FCFmc Corporation | Chicago | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FGFoote-jones/illinois Gear | Chicago | IL | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| FCFrederick Cooper Lamps INC | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◇ UNVERIFIED |
| FMFreeport Mcmoron Chicago Rod INC | Chicago | IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| FIFutura INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GCGem Coat INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GBGeneral Bandages CO | Chicago | IL | Textile Mills313310 | — | ◇ UNVERIFIED |
 General Packaging Products INC | Chicago | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| General Packaging Products INC | Chicago | IL | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| GIGenieco INC | Chicago | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corrugated Ii LLC | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| GLGoes Lithographing CO INC | Chicago | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| GSGold Standard Bakery | Chicago | IL | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| GBGonnella Baking CO | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GBGonnella Baking CO | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GBGonnella Baking CO - South | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GCGpi Converting LLC | Chicago | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| GPGraham Packaging Plastic Products INC | Chicago | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| GPGraham Paint & Varnish CO INC | Chicago | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| GPGravure Process CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GMGreenway Metal Recycling | Chicago | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| GBGreif Bros CORP Seymour & Peck Div | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| GIGtc International | Chicago | IL | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| GLGutmann Leather CO INC | Chicago | IL | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| HDHafner Duplicating CO INC | Chicago | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| HDHarbortown Division, Ibr CORP | Chicago | IL | Furniture and Related Product Manufacturing337125 | — | ◇ UNVERIFIED |
| HMHarris Marcus Furniture | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| HMHeckett Multiserv-plant 45 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327000 | — | ◇ UNVERIFIED |
| HTHenkel Technology CORP | Chicago | IL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HFHenry Frerk Sons INC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HHH H Howard CORP | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HSHinckley Springs | Chicago | IL | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
