| SCSEK Corporation / Ayotte | Spencer | MA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| SSymrise | Spencer | IA | Food Manufacturing311111 | 1-19 | ◐ LIKELY ACTIVE |
| TSThe Sweeter Side of the Feud, INC. | Spencer | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VJVu Ja De Vineyards | Spencer | WV | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WTWiskerchen Truck & Equipment LLCD | Spencer | WI | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| CBCountry Builders Furniture LLC | Spencer | WI | Furniture and Related Product Manufacturing337122 | 20-99 | ◇ UNVERIFIED |
| MWMetal Works INC. | Spencer | IA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◇ UNVERIFIED |
| SCSunkote Coatings, Inc. | Spencer | TN | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| TTT & T Quality Cutting, LLC | Spencer | WI | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| WTWiskerchen Truck and Equipment LLC | Spencer | WI | Transportation Equipment Manufacturing336211 | 20-99 | ◇ UNVERIFIED |
| BLBlue Lakes Ammo | Spencer | IA | Fabricated Metal Product Manufacturing332993 | — | ◇ UNVERIFIED |
| BSBosco Supply & Machine LLC | Spencer | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BCBurke-parsons-bowlby CORP | Spencer | WV | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| CHCasto & Harris, INC. | Spencer | WV | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| FCFlexcon Company INC Plant 6 | Spencer | MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| GRGraham Retread Company | Spencer | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| IHILF Holdings LLC | Spencer | IN | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| ILIndiana Limestone Fab Company Dba Indiana Limestone Fabricators | Spencer | IN | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| JRJ&A Real Estate LLC | Spencer | IN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| LFLang Furniture | Spencer | WI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MZMaciej Zakrzewski | Spencer | NY | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| PPProximity Pyrotechnics | Spencer | NY | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| RPRembrandt Pet Care Div - Spencer | Spencer | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SGSpm Gaskets, LLC. | Spencer | IA | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
