| FFFuture Foam, INC. | Middleton | WI | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| GIGilson INC | Middleton | WI | Computer and Electronic Product Manufacturing334516 | 100-499 | ◐ LIKELY ACTIVE |
| BMBostik Manufacturing Plant | Middleton | MA | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| SWSprings Window Fashions LLC | Middleton | WI | Furniture and Related Product Manufacturing337920 | — | ◐ LIKELY ACTIVE |
Watson Brothers LLC | Middleton | MA | Furniture and Related Product Manufacturing337212 | — | ◐ LIKELY ACTIVE |
| DEDover Elevator Systems | Middleton | TN | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| FFFuture Foam, Inc.-Plant 31 | Middleton | WI | Plastics and Rubber Products Manufacturing326150 | 1-19 | ◐ LIKELY ACTIVE |
| GIGtg, INC. | Middleton | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PDPrecision Devices, INC. | Middleton | WI | Computer and Electronic Product Manufacturing334400 | — | ◐ LIKELY ACTIVE |
Rockwell Automation Middleton | Middleton | WI | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| USU.s. Silica Company, | Middleton | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| VIVeridt INC | Middleton | WI | Computer and Electronic Product Manufacturing334519 | — | ◐ LIKELY ACTIVE |
| NANorth American Specialty Laminations | Middleton | WI | Wood Product Manufacturing321910 | — | ◐ LIKELY ACTIVE |
| AFAnywaves Federal CORP. | Middleton | FL | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| ACAutomation Components, Inc. (ACI) | Middleton | WI | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| DRDress Right Ventures LLC | Middleton | ID | Printing and Related Support Activities323113 | — | ◐ LIKELY ACTIVE |
| EETC (Middleton) | Middleton | WI | Electrical Equipment, Appliance & Component Manufacturing335129 | 500+ | ◐ LIKELY ACTIVE |
| FLF. L. Crane & Sons Skids | Middleton | TN | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| FCFood Concepts Inc | Middleton | WI | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| FFForemost Farms USA Cooperative | Middleton | WI | Food Manufacturing311513 | — | ◐ LIKELY ACTIVE |
| HCHidden Cave Cidery | Middleton | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| IBIsthmus Beverage Werks | Middleton | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LELokos Electronics, LLC | Middleton | WI | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| MMiddleton | Middleton | MA | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| MMiddleton | Middleton | WI | Food Manufacturing311340 | 20-99 | ◐ LIKELY ACTIVE |
| MMiddleton | Middleton | NH | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| PMPfizer- Middleton, Wi | Middleton | WI | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| QMQuest Middleton | Middleton | WI | Machinery Manufacturing333993 | 1-19 | ◐ LIKELY ACTIVE |
| SBS & B Tool LLC | Middleton | ID | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SISeawright, INC. | Middleton | FL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| SSSunbelt Solomon Services-CTMT | Middleton | CT | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| SNSun Nuclear CORP. | Middleton | WI | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| TETK Elevator Middleton MFG | Middleton | TN | Machinery Manufacturing333921 | 500+ | ◐ LIKELY ACTIVE |
| UPUW Provision Company, Inc. | Middleton | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |