| CCColeman CO | Rapid City | SD | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CDConcrete Dakota Redi Mix INC. | Watertown | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CMConcrete Materials Company | Sioux Falls | SD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CRConsolidated Ready Mix, INC. | Huron | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConsumer Supply - North Sioux | North Sioux City | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DADakota Arms | Sturgis | SD | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| DFDakota Fiberglass INC | Webster | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DFDakotaland Feeds LLC | Huron | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DMDakota Mfg CO INC | Platte | SD | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| DMDakota Mfg CO INC | Corsica | SD | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| DMDakota Mobile Hydraulics | Brookings | SD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DSDakota Steel & Supply | Rapid City | SD | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| DTDesign Tanks (belle Fourche) | Belle Fourche | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DODixon Oil Recycling, INC. | De Smet | SD | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| EMEsco Manufacturing, INC. | Watertown | SD | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| FIFormer / Id No Longer Used Viaflex | Sioux Falls | SD | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| FNFormer / No Longer Operating Here Twin City Fan Companies LTD. | Sioux Falls | SD | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Rapid City | Rapid City | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FCFreeman CO Amg LLC | Yankton | SD | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| GGcc-aberdeen | Aberdeen | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GGcc-watertown | Watertown | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HMHansen Manufacturing Dba Hi-roller Conveyors | Sioux Falls | SD | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast | Sioux Falls | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| HSHfw Solutions | Rapid City | SD | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HRHi Roller Conveyors | Sioux Falls | SD | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| HFHubbard Feeds INC Huron | Huron | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| HFHubbard Feeds,incorporated | Rapid City | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| HCHub City INC | Aberdeen | SD | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| HTHutchinson Technology INC | Sioux Falls | SD | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| JIJebro INC | Brandon | SD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JRJensen Rock & Sand INC. | Aberdeen | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| LOLand O'lakes Purina Feed LLC - Sioux Falls Sd | Sioux Falls | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| LSLittelfuse / Symcom | Rapid City | SD | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| MLMetrix, LLC | Watertown | SD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MFMeyerink Farm Service INC. | Platte | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| MIMidcom INC | Watertown | SD | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| MRMidwest Ready Mix | Vermillion | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MRMinnesota Rubber & Plastics | Watertown | SD | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| MCMitchell Concrete INC. | Mitchell | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies | Aberdeen | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MSMorgan Sawmill | Pringle | SD | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| NENeiman Enterprises INC. D.b.a Rushmore Forest Products INC | Hill City | SD | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| NLNewberg Lumber Company, INC. | Custer | SD | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PIPersona, INC. | Madison | SD | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| PIPolaris Industries, INC. Spearfish (former) | Spearfish | SD | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
 Raven Industries INC. | Sioux Falls | SD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| RGRiddles Group, INC. | Rapid City | SD | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| RCRosebud Concrete INC | Mission | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSaputo Cheese USA INC | Big Stone City | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
