| HLHmmi, LLC (formerly Horizontal Machining & Manufacturing, Inc.) | Huron | SD | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| DPDakota Provisions, LLC | Huron | SD | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| DTDakota Turkey Growers | Huron | SD | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| OHOvb Holdings, LLC | Huron | SD | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| TGThe Glidden Company | Huron | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| DFDakotaland Feeds LLC | Huron | SD | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| HEHuron Energy, LLC | Huron | SD | Chemical Manufacturing325193 | — | ◐ LIKELY ACTIVE |
| IHIac Huron (fka Lear Corp.) (0322010214) | Huron | OH | Plastics and Rubber Products Manufacturing326121 | — | ◐ LIKELY ACTIVE |
Ppg Architectural Finishes, INC. | Huron | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| TTerex | Huron | SD | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| HMHorizontal Machining & Mfg. Inc. | Huron | SD | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| HEHuron Energy Llc, Dba Glacial Lakes Energy LLC | Huron | SD | Chemical Manufacturing325193 | — | ◐ LIKELY ACTIVE |
| HWHuron Welding LLC | Huron | SD | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| AMArdagh Metal Beverage USA INC (0322012011) | Huron | OH | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| HFHubbard Feeds INC Huron | Huron | SD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| BHBVC - Huron | Huron | SD | Food Manufacturing311613 | 1-19 | ◐ LIKELY ACTIVE |
| CClassico | Huron | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DGDakota Gobblers, LLC | Huron | SD | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| DFDakotaland Feeds Huron | Huron | SD | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| DPDakota Provisions - West | Huron | SD | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ESEverwild Spirits LLC | Huron | OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GIGeoCorp, Inc. | Huron | OH | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| HPHuron Plant | Huron | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| JMJ Musil Winery LLC | Huron | SD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MRMagnesita Refractories Company - Huron | Huron | OH | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◐ LIKELY ACTIVE |
| MCMulberry Creek Winery | Huron | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| OHOVB HOLDINGS LLC DBA OVERBUILT and DBA EASIPOUR | Huron | SD | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| SSunbird | Huron | SD | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| TCThe Cornerpost | Huron | SD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |