| SISpongex International | Shelton | CT | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| SFSunrise Fiberglass Engineering Site | Shelton | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| TCThermedia CORP Shelton | Shelton | WA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| TCTilcon Connecticut | Shelton | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CVCloquallum Vineyard | Shelton | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
Comet Technologies, Usa, INC. | Shelton | CT | Computer and Electronic Product Manufacturing334517 | — | ◐ LIKELY ACTIVE |
| DPDigatron Power Electronics INC | Shelton | CT | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| FPForest Parkway | Shelton | CT | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| GTGsno Therapeutics, INC. | Shelton | WA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| HCHoney Cell Inc | Shelton | CT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| JFJones Family Farms Winery | Shelton | CT | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LOLignetics of Shelton | Shelton | WA | Wood Product Manufacturing321999 | 1-19 | ◐ LIKELY ACTIVE |
| SShelton | Shelton | WA | Wood Product Manufacturing321114 | 100-499 | ◐ LIKELY ACTIVE |
| SISorge Industries, INC. | Shelton | CT | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SGStone Gardens Farm | Shelton | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| VAVishay Americas | Shelton | CT | Computer and Electronic Product Manufacturing334416 | 20-99 | ◐ LIKELY ACTIVE |
| WDWalter Dacon Wines | Shelton | WA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WHWhite Hills Distillery | Shelton | CT | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TUTreif USA INC. | Shelton | CT | Machinery Manufacturing333241 | — | ◐ LIKELY ACTIVE |
| AJA. J. Klein Jewelers | Shelton | CT | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| ALArtlook LLC | Shelton | CT | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| APAutoswage Prods INC | Shelton | CT | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| CGChippendale Goes West LLC | Shelton | WA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CPChromium Process CO | Shelton | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CFCouture Family LLC | Shelton | WA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| FSFairfield Steel Works LLC | Shelton | CT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KGKeno Graphic Service, INC. | Shelton | CT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LFLatex Foam International LLC | Shelton | CT | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| LFLatex Foam Intl | Shelton | CT | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| LLLowcountry Legacy Ventures LLC | Shelton | CT | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| MBMachine Builders of New England, LLC | Shelton | CT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| NENew England Stair Company, INC. | Shelton | CT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| OBOlympic Bakery & Deli | Shelton | WA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| OPOlympic Peninsula Hardwood | Shelton | WA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| RMRios Machine & Tool | Shelton | CT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
Sierra Pacific Industries - Shelton | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| STSimpson Timber Company | Shelton | WA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TTechwood | Shelton | WA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WOWa317934908 - Olympic Panel Products LLC | Shelton | WA | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| WMWa317935957 - Mcfarland Cascade Pole & Lumber Company | Shelton | WA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| WSWa317938503 - Shearer Brothers Chipping LLC | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WMWa317940059 - Manke Lumber Company INC | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WMWa317944306 - Manke Lumber Company INC | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WAWa317946040 - American Cushion Industries, I | Shelton | WA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| WAWa317947059 - Alta Forest Products LLC | Shelton | WA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WFWa317947129 - Freitas Neil Patrick | Shelton | WA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| WWWa317947269 - Whiskey Ridge Manufacturing LLC | Shelton | WA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WQWa317948097 - Quartzcastle LLC | Shelton | WA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| WBWa317948531 - Bayside Redi Mix LLC | Shelton | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WSWa317949221 - Sol Forge LLC | Shelton | WA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |