| IMIdearc Media Corporation | Des Plaines | IL | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| ITIllinois Tool Works INC | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ISInterstate Steel CO | Des Plaines | IL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| JLJuno Lighting Grp %acuity Brands CO | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KIKearney-national INC | Des Plaines | IL | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| KCKeebler CO | Des Plaines | IL | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| KSKester Solder | Des Plaines | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| LPLawson Products INC | Des Plaines | IL | Miscellaneous Manufacturing339114 | — | ◇ UNVERIFIED |
| LILittelfuse INC | Des Plaines | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| MIMerkle-korff Industries- Plant 3 | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NLNational Lamination CO | Des Plaines | IL | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| NGNicor Gas | Des Plaines | IL | Food Manufacturing311330 | — | ◇ UNVERIFIED |
| NBNtn Bearing | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NINu-way Industries INC | Des Plaines | IL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| OCOrange Crush LLC | Des Plaines | IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PPPamco Printed Tape & Label CO | Des Plaines | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PPresstek | Des Plaines | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PPresto-x | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RGRainbow Graphics INC | Des Plaines | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| RIRytway Industries LLC | Des Plaines | IL | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| SISchawk INC | Des Plaines | IL | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| SCSymons CORP | Des Plaines | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TMTerrell Materials CORP | Des Plaines | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| UFUnited Feather & Down INC | Des Plaines | IL | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| WTWeb Tool Mfg INC | Des Plaines | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| 1D142 Des Plaines Yard | Des Plaines | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| APAdvanced Plastic Corporation Des Plaines | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| ADAMD Des Plaines | Des Plaines | IL | Computer and Electronic Product Manufacturing334516 | 500+ | ◐ LIKELY ACTIVE |
| BLBa Le Meat Processing | Des Plaines | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BEBion Enterprises, Ltd. (DBA - Aesku Bion) | Des Plaines | IL | Chemical Manufacturing325413 | 20-99 | ◐ LIKELY ACTIVE |
| BFBoston Fish Market INC | Des Plaines | IL | Food Manufacturing311710 | 20-99 | ◐ LIKELY ACTIVE |
| CVColumbus Vegetables Oils | Des Plaines | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| DIDuratrack, Inc | Des Plaines | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| EDElectronic Directory CORP | Des Plaines | IL | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
| FRFinzer Roller, INC. | Des Plaines | IL | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| GIGag Industries INC | Des Plaines | IL | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| GNGreat Northern Instore - Des Plaines | Des Plaines | IL | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| IPInternational Paper Des Plaines | Des Plaines | IL | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket & Gear Des Plaines | Des Plaines | IL | Machinery Manufacturing333613 | 1-19 | ◐ LIKELY ACTIVE |
| PHParker Hannifin Corporation | Des Plaines | IL | Machinery Manufacturing333995 | — | ◐ LIKELY ACTIVE |
| PIPlasticade Inc. | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| WAWest Agro | Des Plaines | IL | Chemical Manufacturing325612 | 20-99 | ◐ LIKELY ACTIVE |
| MIMedco, INC. | Des Plaines | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SSiffron | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| 1B1755 Birchwood Partnership | Des Plaines | IL | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| 737-eleven 33055 | Des Plaines | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| APAfco Products INC | Des Plaines | IL | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| BMBradrock Molding Co, INC. | Des Plaines | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CSClingan Steel, INC. | Des Plaines | IL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CFCmi Frank S Ryan Memorial | Des Plaines | IL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
