| BMB &B Molding Inc | Brandon | SD | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BMB&B Molding Inc | Sioux Falls | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BLBear Lodge Custom Millwork, LLC | Whitewood | SD | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
 B&g Industries, INC. | Watertown | SD | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BPBituminous Paving, INC. | Redfield | SD | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BHBlack Hills Railings LLC | Rapid City | SD | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| BTBlack Tie Components LLC | Hartford | SD | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| BFBrightmark Full Circle Rng, LLC | Hurley | SD | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BMBrightmark Mill Valley Rng, LLC | Milbank | SD | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BSBruce Sign Company | Sioux Falls | SD | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CPCemcast Pipe and Precast, LLC | Hartford | SD | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| CMCenterville Manufacturing LLC | Centerville | SD | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CSCentral States Manufacturing, INC. | Hartford | SD | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CNChs Nutrition - Ethan | Ethan | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CBCohort Black Hills, LLC | Hill City | SD | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CSColor Splash Studio, LLC | Tea | SD | Textile Mills313310 | — | ◇ UNVERIFIED |
| CMComponent Manufacturing Company | Sioux Falls | SD | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| CMConcrete Materials - Chancellor Ready-mix Plant | Chancellor | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCrystal Springs Feeds, LLC. | Clear Lake | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CNCupcakes N' Schmitt LLC | Rapid City | SD | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CECutting Edge Components, LLC | Black Hawk | SD | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
 Dairy Farmers of America, INC. - Pollock, Sd | Pollock | SD | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| DBDakota Biochar LLC | Rapid City | SD | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| DBDakota Butcher - Rapid City, Inc. | Rapid City | SD | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| DFDakotaland Feeds, LLC | Cavour | SD | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DPDakota Provisions West | Huron | SD | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| DTDakota Turkey Growers, L.l.c. | Huron | SD | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| DWDakota Woodworking, INC. | Eureka | SD | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| DPDeHaai's Processing | Chamberlain | SD | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| DCDynamic Cylinder Head LLC | Worthing | SD | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| ELEasi-pour, LLC | Huron | SD | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| EPEmberline Press | Aberdeen | SD | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| ETEngineered Truss Systems | Brandon | SD | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| EMEureka Manufacturing | Eureka | SD | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| FPFibertec Performance, LLC | Woonsocket | SD | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| FIFimco Industries | North Sioux City | SD | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| FFinishworks | Tea | SD | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| FMFlandreau Meat Locker | Dell Rapids | SD | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| FAFM Acquisition LLC | Rapid City | SD | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| FCFormer Creative Marblecast Manufacturing Plant | Rapid City | SD | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| FDFormer Dakota Bodies, INC. | Watertown | SD | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| FPFusion Plastics | Lennox | SD | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| GFG3 Fire, LLC | Sioux Falls | SD | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GBGage Brothers Concrete Products, INC. | Sioux Falls | SD | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GGcc-bellingham | Milbank | SD | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GBGibson Boats of South Dakota, LLC | Harrisburg | SD | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| GPG&J Properties LLC | Watertown | SD | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| GSGold Standard Cabinetry Inc | Lead | SD | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| HRHanigan's Real Estate, LLC | Aberdeen | SD | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HCHanson County Oil Producers, LLC | Alexandria | SD | Food Manufacturing311222 | — | ◇ UNVERIFIED |
