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| Harmon Manufacturing, LLCThomaston, CT · Active | Thomaston, CT | LLC | May 23, 2024 | Active |
| Seth Thomas-Brad Street House, Inc.Th, CT · Active | Th, CT | Corporation | Jun 3, 2024 | Active |
| Tenaciously Done LLCThomaston, CT · Active | Thomaston, CT | LLC | Jun 6, 2024 | Active |
| T&T Transportation LLCThomaston, CT · Dissolved | Thomaston, CT | LLC | Jun 9, 2024 | Dissolved |
| SCCG LLCThomaston, CT · Active | Thomaston, CT | LLC | Jun 15, 2024 | Active |
| Crocco Mechanical LLCThomaston, CT · Active | Thomaston, CT | LLC | Jun 18, 2024 | Active |
| DFR Logistics LLCThomaston, CT · Active | Thomaston, CT | LLC | Jul 2, 2024 | Active |
| Roar & Renew LLCThomaston, CT · Active | Thomaston, CT | LLC | Jul 3, 2024 | Active |
| Eternal Heat LLCThomaston, CT · Active | Thomaston, CT | LLC | Jul 6, 2024 | Active |
| Rana Innovations, Inc.Thomaston, CT · Active | Thomaston, CT | Corporation | Jul 16, 2024 | Active |
| Independent Metal Fab, LLCThomaston, CT · Active | Thomaston, CT | LLC | Jul 24, 2024 | Active |
| Aviemore, LLCThomaston, CT · Active | Thomaston, CT | LLC | Jul 31, 2024 | Active |
| THREE SISTERS' RESTAURANT LLCThomaston, CT · Active | Thomaston, CT | LLC | Aug 5, 2024 | Active |
| Nation Vapor & Convenience LLCThomaston, CT · Dissolved | Thomaston, CT | LLC | Aug 14, 2024 | Dissolved |
| Thomaston Wireless & Electronics LLCThomaston, CT · Dissolved | Thomaston, CT | LLC | Aug 26, 2024 | Dissolved |
| NS PIERPOINTS LLCThomaston, CT · Active | Thomaston, CT | LLC | Aug 19, 2024 | Active |
| Exteriors By Wooden LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 23, 2024 | Active |
| 5 Star Energy Savers LLCThomaston, CT · Forfeited | Thomaston, CT | LLC | Sep 13, 2024 | Forfeited |
| Thomaston Exterior Wash LLCThomaston, CT · Active | Thomaston, CT | LLC | Sep 17, 2024 | Active |
| Harborpoint LLCThomaston, CT · Active | Thomaston, CT | LLC | Sep 18, 2024 | Active |
| FRANKLIN COURT CONDOMINIUM ASSOCIATION LLCThomaston, CT · Active | Thomaston, CT | LLC | Sep 24, 2024 | Active |
| B.K. Refrigeration LLCThomaston, CT · Active | Thomaston, CT | LLC | Sep 25, 2024 | Active |
| Ruiz Garage LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 1, 2024 | Active |
| Holistic Synergy LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 7, 2024 | Active |
| @ The Coop LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 9, 2024 | Active |
| Green 15 Media L.L.C.Thomaston, CT · Active | Thomaston, CT | LLC | Oct 15, 2024 | Active |
| Last cast lures LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 22, 2024 | Active |
| Connecticut DJ Supplies Store LLCThomaston, CT · Active | Thomaston, CT | LLC | Oct 24, 2024 | Active |
| Berkshire Carpentry & Contracting Ltd. Liability Co.Thomaston, CT · Active | Thomaston, CT | LLC | Nov 4, 2024 | Active |
| MS Detailing LLCThomaston, CT · Active | Thomaston, CT | LLC | Nov 2, 2024 | Active |
| Starry Island LLCThomaston, CT · Active | Thomaston, CT | LLC | Nov 14, 2024 | Active |
| NS Pierponts LLCThomaston, CT · Active | Thomaston, CT | LLC | Nov 21, 2024 | Active |
| Cornacchio Painting LLCThomaston, CT · Active | Thomaston, CT | LLC | Nov 22, 2024 | Active |
| Macs Snacs LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 3, 2024 | Active |
| GUSTAVO SOARES SERVICES LLCNaugatuck, CT · Active | Naugatuck, CT | LLC | Dec 3, 2024 | Active |
| Future Forward LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 3, 2024 | Active |
| Zachary's 3D Print Shop LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 6, 2024 | Active |
| Tom B's LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 9, 2024 | Active |
| Serendipity Sunshine LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 9, 2024 | Active |
| New England Repair and Welding LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 12, 2024 | Active |
| ILLUSIONZ, LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 13, 2024 | Active |
| C L Born Strong LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 17, 2024 | Active |
| Thomaston Dental Associates, PLLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 17, 2024 | Active |
| Moms Place LLCThomaston, CT · Active | Thomaston, CT | LLC | Dec 27, 2024 | Active |
| CT Wholesales LLCThomaston, CT · Active | Thomaston, CT | LLC | Jan 5, 2025 | Active |
| Bright Green Roof Shingle Preservation LLCThomaston, CT · Active | Thomaston, CT | LLC | Jan 7, 2025 | Active |
| NAYSHA INCThomaston, CT · Active | Thomaston, CT | Corporation | Jan 16, 2025 | Active |
| Ninify LLCThomaston, CT · Active | Thomaston, CT | LLC | Jan 18, 2025 | Active |
| Core IT Solutions LLCThomaston, CT · Active | Thomaston, CT | LLC | Jan 22, 2025 | Active |