| SOStray Oak Spirits | Washington | DC | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SPSupplyOne Pittsburgh | Washington | PA | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| TSTesat Spacecom US LLC | Washington | DC | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| TPTexwrap Packaging Systems LLC | Washington | MO | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Aging Room, LLC | Washington | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TCThe Chest, LLC | Washington | MO | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| THThe Hackney Distillery | Washington | NC | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TSThe Sweet Meadow Estate | Washington | TX | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TWThe Washington Distilling Company | Washington | MO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TWThe Washington Winery | Washington | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TRTres Rojas Winery | Washington | IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| T3Triple 3 Vineyard Winery & Events | Washington | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VVVacchiano Vineyards | Washington | NJ | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VCValinor Charlie, INC. | Washington | DC | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| VPVanda Pharmaceuticals INC. | Washington | DC | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| VSVix Sangria By Topaz Vineyards | Washington | DC | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WWashington | Washington | IN | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| WFWashington Feedmill | Washington | IN | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| WOWashington Operations | Washington | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| WPWashington Penn - V-BAT | Washington | PA | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| WPWashington Plant | Washington | IN | Food Manufacturing311615 | 500+ | ◐ LIKELY ACTIVE |
| WWWashington Works | Washington | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
WEG Transformers USA LLC ST | Washington | MO | Electrical Equipment, Appliance & Component Manufacturing335311 | 100-499 | ◐ LIKELY ACTIVE |
| WBWilliams Brothers Meat Co. | Washington | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| WBWilliams Brothers Meat Market | Washington | MO | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| WIWmf INC | Washington | MO | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| XSXzotech Sign & Display LLC | Washington | DC | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
| ZSZiglin Signs Inc | Washington | MO | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| AAAlaska Antimony Corporation | Washington | DC | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| KPKlumer Printing INC | Washington | DC | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| NSNovasky Solutions LLC | Washington | DC | Miscellaneous Manufacturing339940 | — | ◐ LIKELY ACTIVE |
| XTX-cor Therapeutics INC. | Washington | DC | Miscellaneous Manufacturing339112 | — | ▲ REPORTED CLOSED |
| AGAmerican Gear CO. | Washington | UT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| 1W1 Way Technologies LLC | Washington | IN | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| 3K311 K Street Nw | Washington | DC | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| 6R600 Rhode Island Avenue C- Bryant Street Black 5 | Washington | DC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| AOAce of Capital | Washington | DC | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| ACAck Chocolate Industries LLC | Washington | DC | Food Manufacturing311351 | — | ◇ UNVERIFIED |
Action Packaging, INC. | Washington | PA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| ACAdvanced Coil Industries, Inc. | Washington | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| AUAfg USA (non-wovens), LLC | Washington | GA | Textile Mills313230 | — | ◇ UNVERIFIED |
| AIAggregate Industries | Washington | DC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ASAl Solutions | Washington | MO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ACAmerican Connecticut Ring Binder, Index Tab & Printing Company, INC. | Washington | CT | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| ALAntepes, LLC | Washington | DC | Leather and Allied Product Manufacturing316210 | — | ◇ UNVERIFIED |
| AArconic | Washington | MO | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| AHAsylum Hardware, LLC | Washington | UT | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| BBBaker's Bread DC | Washington | DC | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BVBarry Vineyards, LLC | Washington | IL | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| BBBlossom Beverages Corp. | Washington | DC | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |