Bergstrom INC | Rockford | IL | Machinery Manufacturing333415 | 100-499 | ● ACTIVE |
| IMIngersoll Machine Tools INC | Rockford | IL | Machinery Manufacturing333512 | 100-499 | ● ACTIVE |
Accelerated Machine Design & Engineering LLC | Rockford | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
Advanced Machine & Engineering CO | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
Axis Fabrication & Machine Co, LLC | Rockford | TN | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
Bourn & Koch, INC. | Rockford | IL | Machinery Manufacturing333517 | 20-99 | ● ACTIVE |
Danray Products LLC | Rockford | IL | Machinery Manufacturing333515 | — | ● ACTIVE |
Jerhen Industries INC | Rockford | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
Obsidian Manufacturing Industries INC | Rockford | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
Pietro Carnaghi USA INC | Rockford | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
| GRGrand Rapids Controls CO | Rockford | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| CRConcentric Rockford INC | Rockford | IL | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| MHMte Hydraulics, INC. | Rockford | IL | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| PHParker Hannifin/cylinder Division | Rockford | IL | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| BIBarnes International INC | Rockford | IL | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| DADixon Automatic Tool INC | Rockford | IL | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| ICIngersoll Cutting Tool Company | Rockford | IL | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| KKomline-Barnes | Rockford | IL | Machinery Manufacturing333999 | 100-499 | ◐ LIKELY ACTIVE |
| MAMartin Automatic CO | Rockford | IL | Machinery Manufacturing333244 | 100-499 | ◐ LIKELY ACTIVE |
| PJPrecision Jig & Fixture INC | Rockford | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| WIWeldments INC | Rockford | IL | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| DIDynacorp, INC | Rockford | IL | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| EWEvoqua Water Technologies LLC | Rockford | IL | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| ICIngersoll Cutting Tool CO Member of the Imc Group | Rockford | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| PFPiranha Fabrication | Rockford | IL | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| SISuntec Industries INC | Rockford | IL | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| TPTy Precision Automatics | Rockford | IL | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| BWBlue Water Labs | Rockford | MN | Machinery Manufacturing333244 | 1-19 | ◐ LIKELY ACTIVE |
| CICaldwell, Inc. - Distribution | Rockford | IL | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| CICaldwell , Inc - Manufacturing | Rockford | IL | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| DRD & R Autochuck Manufacturing, INC. | Rockford | IL | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| EPEmerson Professional Tools - Rockford CTSC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| EPEmerson Professional Tools - Rockford TEC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| HTHydraulic Technologies USA LLC | Rockford | IL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| IPIntegrated Packaging Machinery | Rockford | MI | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| PJPeterson Jig & Fixture INC | Rockford | MI | Machinery Manufacturing333514 | — | ▲ REPORTED CLOSED |
| PWPHS West, LLC | Rockford | MN | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| RMReg-Ellen Machine Tool Corporation | Rockford | IL | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| RCRockford CTSC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| RTRockford TEC | Rockford | IL | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| TPTetra Pak Incorportated Rockford | Rockford | IL | Machinery Manufacturing333241 | 1-19 | ◐ LIKELY ACTIVE |
| UPUniversal Products Inc | Rockford | MI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| ASAmerican Shaft CO | Rockford | IL | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| BTByrne Tool and Design INC. | Rockford | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ETEnlightened Technology Corporation | Rockford | MN | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| FAForte Automation Systems, INC. | Rockford | IL | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| GAGlobal Aluminum Brazing Consulting LLC | Rockford | MI | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| HMHeritage Mold, Incorporated | Rockford | IL | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| IMIndustrial Molds, Inc. | Rockford | IL | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| KTK & T Tool and Die, Inc. | Rockford | MI | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |