| BTBluewater Thermal Solutions-rockford | Rockford | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| DRD & R Autochuck Manufacturing, INC. | Rockford | IL | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| GRGrand Rapids Controls CO | Rockford | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| MAMartin Automatic CO | Rockford | IL | Machinery Manufacturing333244 | 100-499 | ◐ LIKELY ACTIVE |
| RSRockford Spring CO | Rockford | IL | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| RVRock Valley Oil & Chemical CO | Rockford | IL | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| EMEstwing Manufacturing CO INC | Rockford | IL | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| JMJ & M Plating CO | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| KFK&j Finishing INC | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| KIKnape Industries INC (n5240) | Rockford | MI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| RFRockford Foundries | Rockford | IL | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| SSSpecialty Screw CORP | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| FRFlex-n-gate Rockford | Rockford | TN | Plastics and Rubber Products Manufacturing326121 | — | ◐ LIKELY ACTIVE |
| FCForest City Technologies INC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| GCGunite Corporation | Rockford | IL | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| JMJ & M Plating | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| KPKadon Precision | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| OCOwens Corning Foam Insulation LLC Rockford | Rockford | IL | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| PJPrecision Jig & Fixture INC | Rockford | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| TFTennessee Farmers CO Op | Rockford | TN | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| ACArntzen CORP | Rockford | IL | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AGAzz Galvanizing Rockford LLC Dba Roger Bros Galvanizing LLC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| CBCircle Boring & Machine CO INC | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| CRConcentric Rockford INC | Rockford | IL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| EFEconomy Fasteners INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| JCJl Clark INC | Rockford | IL | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| KNKent Nutrition Group INC | Rockford | IL | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| MDMinnesota Diversified Products - West | Rockford | MN | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| MPMnp Precision Parts LLC | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| MHMte Hydraulics, INC. | Rockford | IL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| OBOmg Building Products LLC | Rockford | MN | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin/cylinder Division | Rockford | IL | Machinery Manufacturing333995 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA Llc- Rockford Plant | Rockford | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RFRocknel Fastener INC | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| RORust Oleum | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| SWSherwin Williams CO the | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| TCTestor CORP | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| TTThe Testor Corporation - Blackhawk Park Avenue | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| VRValspar - Rockford Facility | Rockford | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
Evergreen Warehouse INC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| FSForging & Stampings, INC. | Rockford | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| ATAction Tool & Mfg | Rockford | IL | Miscellaneous Manufacturing339999 | 1-19 | ◐ LIKELY ACTIVE |
| CTCertified Technology INC | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| DTDrawing Technology INC | Rockford | IL | Machinery Manufacturing333518 | 20-99 | ◐ LIKELY ACTIVE |
| HCHeartwood Creations | Rockford | IL | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| KTKoide Tennessee, INC. | Rockford | TN | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| MTMidwest Tool & Die, INC | Rockford | MI | Machinery Manufacturing333513 | 1-19 | ◐ LIKELY ACTIVE |
| NINorth Ia Fabrication INC. | Rockford | IA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| RBRockford Bolt and Steel Company | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| RBRockford Burrall Machine | Rockford | IL | Machinery Manufacturing333319 | 20-99 | ◐ LIKELY ACTIVE |