| DCDegeest Corporation | Tea | SD | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
 Raven Industries INC. (applied Technologies) | Sioux Falls | SD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| TLThe Lankota Group | Huron | SD | Machinery Manufacturing333111 | 20-99 | ◇ UNVERIFIED |
| ACAshley's Cabinets | Sioux Falls | SD | Furniture and Related Product Manufacturing337110 | 20-99 | ◇ UNVERIFIED |
| APAsphalt Paving & Materials | Huron | SD | Petroleum and Coal Products Manufacturing324121 | 1-19 | ◇ UNVERIFIED |
| BEBanner Engineering | Aberdeen | SD | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| BBBimbo Bakeries | Sioux Falls | SD | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CPCentral Plains Industries | Clark | SD | Machinery Manufacturing333111 | 20-99 | ◇ UNVERIFIED |
| CDConcrete Dakota Redi Mix INC. | Watertown | SD | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| CICounterpart, INC | Brookings | SD | Fabricated Metal Product Manufacturing332322 | 20-99 | ◇ UNVERIFIED |
| DIDonnerite INC. | Howard | SD | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| KMK-w Manufacturing | Sioux Falls | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| LMLucid Manufacturing Incorporated (former) | Mitchell | SD | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| MLMetrix, LLC | Watertown | SD | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| MRMidwest Ready Mix | Vermillion | SD | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| OOverbuilt | Huron | SD | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| UCUnited Concrete | Harrisburg | SD | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| WIWinter, INC. | Sioux Falls | SD | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◇ 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 |
| AHAmpi - Hoven | Hoven | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| ACArctic Cat INC. | Madison | SD | Transportation Equipment Manufacturing336999 | — | ◇ 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 |
| 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 |
| CCColeman CO | Rapid City | SD | Miscellaneous Manufacturing339911 | — | ◇ UNVERIFIED |
| CRConsolidated Ready Mix, INC. | Huron | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DADakota Arms | Sturgis | SD | Fabricated Metal Product Manufacturing332992 | — | ◇ 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. | Desmet | SD | Petroleum and Coal Products Manufacturing324191 | — | ◇ 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 |
| FCFreeman CO Amg LLC | Yankton | SD | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| HRHi Roller Conveyors | Sioux Falls | SD | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| HCHub City INC | Aberdeen | SD | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| HTHutchinson Technology INC | Sioux Falls | SD | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| IMInfinity Machine LLC | Rapid City | SD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| JIJebro INC | Brandon | SD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JRJensen Rock & Sand INC. | Aberdeen | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| LEL.g. Everist, INC. - East Sioux Quarry | Sioux Falls | SD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
