| CMCounty Materials CORP. | Marathon | WI | Nonmetallic Mineral Product Manufacturing327331 | — | ● ACTIVE |
Lemke Industrial Machine LLC | Marathon | WI | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| CRChanneled Resources Group | Marathon | WI | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| MHMenzner Hardwoods CO | Marathon | WI | Wood Product Manufacturing321910 | 100-499 | ◐ LIKELY ACTIVE |
| MWMarth Wood Shavings Supply INC | Marathon | WI | Wood Product Manufacturing321219 | — | ◐ LIKELY ACTIVE |
| CMCustom Meats of Marathon, Inc. | Marathon | WI | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| MCMarathon Cheese Corporation | Marathon | WI | Food Manufacturing311513 | 500+ | ◐ LIKELY ACTIVE |
| MCMarathon - CMC | Marathon | WI | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| RFRib Falls | Marathon | WI | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| MIMarathon Industrial Finishing LLC | Marathon | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| NWNorthview Window & Door, LLC | Marathon | WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AMAh Machines, LLC | Marathon | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CMCounty Materials Corporation | Marathon | WI | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| MFMarathon Feed and Grain, LLC | Marathon | WI | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MWMarth Wood Shavings Supply INC | Marathon | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| MHMenzner Hardwoods CO. | Marathon | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TFTwin Forest Products, LLC | Marathon | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |