| EWEssex Wire - Rockford | Rockford, IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| EWEvoqua Water Technologies LLC | Rockford, IL | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| FWFarniok, William | New Milford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| FDFire Department Coffee INC | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Fives Landis CORP | South Beloit, IL | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| FMFpm-db Metal Finishing | Rockford, IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FFFree Flow Rockford LLC | Machesney Park, IL | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| GPGarden Prairie Energy Facility | Garden Prairie, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GCGates CORP | Rockford, IL | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| GCGerber Collision & Glass | Loves Park, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GCG&m Construction | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GNGreat Northern Instore LLC | Belvidere, IL | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| GGreenlee | Rockford, IL | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| GCGuilford CORP | Rockford, IL | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| HRHollenbaugh Residence | Loves Park, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HGHt Gaston CORP | Rockford, IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ICIngersoll Cutting Tool CO Member of the Imc Group | Rockford, IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| IFInnovative Fixture Solutions LLC | Rockford, IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| IPInternational Paper CO | Rockford, IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| KNKent Nutrition Group INC | Rockford, IL | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| LOLamson Oil CO | Rockford, IL | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| LBLiebovich Brothers INC | Rockford, IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| LHLincoln Hotel Demolition | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MTMachine Tool Builders INC | Machesney Park, IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| MCMackinney CO the | Belvidere, IL | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| MLMedranos Landscape INC | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMMeyer Material CO | Belvidere, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MMMikron Midwest | Winnebago, IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MGMondelez Global LLC | Rockford, IL | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| MRM&r Rubber CO | Belvidere, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NINeblock INC | Rockford, IL | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| NTNoah's Trading Post | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NINorthern Il Wilbert Vault CO INC | Belvidere, IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NSNorthern Star Plating & Finishing CO | Loves Park, IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NCNorthwind Concrete Products CO | South Beloit, IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ODOakfield Development | Rockton, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OAOlson Aluminum Castings | Rockford, IL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| OROzinga Ready Mix | Roscoe, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OROzinga Ready-mix-belvidere | Belvidere, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PSPacific Scientific Motion Control INC | Rockford, IL | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| PCPactiv CORP | Belvidere, IL | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| PSPalmer-donavin Seal Rite Door | Beloit, WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| PLPci Logistics | Rockford, IL | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PPPci Pharmaceutical Services | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PPPerformance Products INC | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PAPettit Auto and Truck Sales | Rockford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PFPiranha Fabrication | Rockford, IL | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| PRPolyonics Rubber CO INC | Poplar Grove, IL | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| PIPrimecast, Inc.(former) | South Beloit, IL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| QDQuantum Design INC | Caledonia, IL | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
