| AAA & a Engraving INC | Rapid City | SD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AAfco | Brandon | SD | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| ASAlamo Smc | Sioux Falls | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
 Alkota Cleaning Systems INC | Alcester | SD | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| ACAmerican Colloid Bentonite Plant | Belle Fourche | SD | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| ACArctic Cat INC. | Madison | SD | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| ACAshley's Cabinets | Sioux Falls | SD | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
 Associated Milk Producers INC | Hoven | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| AMAssociated Milk Producers INC - Hoven | Hoven | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| BSBae Systems Land Armaments L.p. | Aberdeen | SD | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| BSBae Systems Land & Armaments LP | Aberdeen | SD | Fabricated Metal Product Manufacturing332995 | — | ◇ UNVERIFIED |
| BBBel Brands USA - Brookings | Brookings | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| BPB&g Powder Coating LLC | Watertown | SD | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| BSBii Salem | Salem | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BBBimbo Bakeries | Sioux Falls | SD | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BMBrandon Materials Harrisburg Plant | Harrisburg | SD | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| CICaptech International, LLC (former Location) | Rapid City | SD | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| CRChicago Rawhide Manufacturing Company | Springfield | SD | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
| CCChs Corson Feed | Corson | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CFChs Farmers Alliance - Corsica Feed | Corsica | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CGChs Gettysburg Feed | Gettysburg | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| 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 |
| CFCustom Fabricators INC. | Watertown | SD | Fabricated Metal Product Manufacturing332999 | — | ◇ 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 | Corsica | SD | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| DMDakota Mfg CO INC | Platte | 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 |
