| CCCircl Cm Holdings, INC. | Gilberts | — | ◇ UNVERIFIED |
| CMCobra Metal Works, Inc. | Elgin | — | ◇ UNVERIFIED |
| DIDippit, INC. Aka Prolong Tool | Saint Charles | — | ◇ UNVERIFIED |
| FVFox Valley Forge, Division of Cleveland Hardware & Forging CO. | Aurora | — | ◇ UNVERIFIED |
| GLG.p. Lamar, INC. | South Elgin | — | ◇ UNVERIFIED |
| HIHRB Industries Corp. | Saint Charles | — | ◇ UNVERIFIED |
| INItw North America Metal Fasteners | Elgin | — | ◇ UNVERIFIED |
| JIJake's Inc. | Aurora | — | ◇ UNVERIFIED |
| JIJake's Inc. | Aurora | — | ◇ UNVERIFIED |
| JMJakes Machining & Rebuilding Service, Inc. | Aurora | — | ◇ UNVERIFIED |
| JMJakes Machining & Rebuilding Service, INC. | Aurora | — | ◇ UNVERIFIED |
| JMJd Machining | Gilberts | — | ◇ UNVERIFIED |
| LSLafox Screw Products, INC. | South Elgin | — | ◇ UNVERIFIED |
| LILighting Innovations, INC | Saint Charles | — | ◇ UNVERIFIED |
| MJMcguire Johns Holdings INC. | Elgin | — | ◇ UNVERIFIED |
| MAMetal Arts Finishing, INC. | Aurora | — | ◇ UNVERIFIED |
| MNMetal Networking | Aurora | — | ◇ UNVERIFIED |
| MWMetal Works Performance, Inc | Saint Charles | — | ◇ UNVERIFIED |
| PGPamarco Global Graphics, INC. | Batavia | — | ◇ UNVERIFIED |
| PMPatrick Manufacturing, INC. | Elgin | — | ◇ UNVERIFIED |
| PFPentair Flow Technologies, Llc* | North Aurora | — | ◇ UNVERIFIED |
| PPPerfect Pipe & Supply CORP. | Elgin | — | ◇ UNVERIFIED |
| PSPrairie State Industries | Carpentersville | — | ◇ UNVERIFIED |
| ROReco of Illinois, INC. | Aurora | — | ◇ UNVERIFIED |
| SLSafe-t-sense, LLC | Elgin | — | ◇ UNVERIFIED |
| SPSch Products INC | Hampshire | — | ◇ UNVERIFIED |
| SCSt. Charles Stamping and Tooling | Saint Charles | — | ◇ UNVERIFIED |
| SCSt. Charles Stamping, INC. | Saint Charles | — | ◇ UNVERIFIED |
| SSStead Sheet Metal INC. | Aurora | — | ◇ UNVERIFIED |
| TPThomas Processing LLC | Elgin | — | ◇ UNVERIFIED |
| T4Tmb 440ae, INC. | Elgin | — | ◇ UNVERIFIED |
