| CICaterpillar INC - Mapleton Facility | Mapleton | IL | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ECEvonik Corporation | Mapleton | IL | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| LILonza Incorporated | Mapleton | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ISIntegrity Steel Supply LLC | Mapleton | ND | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| IIngredion | Mapleton | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| WFWestway Feed Products LLC | Mapleton | ND | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| 4W4e Winery | Mapleton | ND | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EEvonik (2) | Mapleton | IL | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| HLHorsch LLC | Mapleton | ND | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| MMapleton | Mapleton | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MFMapleton Facility | Mapleton | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MFMapleton Foundry | Mapleton | IL | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| NWNordic Wines by Wayne | Mapleton | ND | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BMBiofuels Manufactureres of Illinois LLC | Mapleton | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCasting Cleaning Resources | Mapleton | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CICaterpillar INC. | Mapleton | IL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CSClassic Surfaces, LLC | Mapleton | UT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CMCompliance Medical Manufacturing INC. | Mapleton | UT | Miscellaneous Manufacturing339111 | — | ◇ UNVERIFIED |
| LCLanxess (aka Chemtura Corporation) | Mapleton | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| LELura Enterprises INC | Mapleton | ND | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MDMy Decor Products, LLC | Mapleton | UT | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| RORnS One L.L.C. | Mapleton | UT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TCTodd's Cabinets | Mapleton | UT | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| TCTodds Cabinets | Mapleton | UT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
