| M.C. Morris LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Dec 11, 2024 | Dissolved |
| BC & FC, LLCHarwinton, CT · Active | Harwinton, CT | LLC | Dec 17, 2024 | Active |
| Lila Claire Occasions LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jan 7, 2025 | Active |
| ProFlow Plumbing & Heating LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jan 16, 2025 | Active |
| Megalochori LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jan 24, 2025 | Active |
| CAPOEIRA CONNECTICUT, LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jan 28, 2025 | Active |
| Weld Royal LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jan 28, 2025 | Active |
| Deadhead and Son LLCHarwinton, CT · Active | Harwinton, CT | LLC | Feb 10, 2025 | Active |
| Chester Woodrow LLCHarwinton, CT · Active | Harwinton, CT | LLC | Feb 19, 2025 | Active |
| AbSav Roofing Co LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Feb 19, 2025 | Dissolved |
| Zepka Properties LLCHarwinton, CT · Active | Harwinton, CT | LLC | Feb 21, 2025 | Active |
| Balance and Bloom Counseling LLCHarwinton, CT · Active | Harwinton, CT | LLC | Mar 1, 2025 | Active |
| Effective Marketing LLCHarwinton, CT · Active | Harwinton, CT | LLC | Mar 5, 2025 | Active |
| Green Hill Safety Consulting LLCHarwinton, CT · Active | Harwinton, CT | LLC | Mar 18, 2025 | Active |
| Northbound Electric LLCHarwinton, CT · Active | Harwinton, CT | LLC | Mar 21, 2025 | Active |
| Johnson Paralegal Services Limited Liability CompanyHarwinton, CT · Dissolved | Harwinton, CT | LLC | Mar 23, 2025 | Dissolved |
| SB Landscape Design LLCHarwinton, CT · Active | Harwinton, CT | LLC | Mar 25, 2025 | Active |
| Borjas General Remodeling LLCHarwinton, CT · Active | Harwinton, CT | LLC | Apr 2, 2025 | Active |
| Spa Guy LLCHarwinton, CT · Active | Harwinton, CT | LLC | Apr 26, 2025 | Active |
| Harwinton Dumpster LLCHarwinton, CT · Active | Harwinton, CT | LLC | Apr 29, 2025 | Active |
| Measure XYZ LLCHarwinton, CT · Active | Harwinton, CT | LLC | May 6, 2025 | Active |
| CT. Service Solutions, LLCHarwinton, CT · Active | Harwinton, CT | LLC | May 15, 2025 | Active |
| Kelley Support & Solutions Limited Liability CompanyHarwinton, CT · Active | Harwinton, CT | LLC | May 17, 2025 | Active |
| Harwinton Farms LLCHarwinton, CT · Active | Harwinton, CT | LLC | May 28, 2025 | Active |
| 447 Spencer Plains Road LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 9, 2025 | Active |
| Duration Roofing & Exteriors LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 10, 2025 | Active |
| WJ Pond Contractors LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 14, 2025 | Active |
| B&B Mobile Detailing & Power Washing L.L.C.Harwinton, CT · Active | Harwinton, CT | LLC | Jun 16, 2025 | Active |
| Minuteman Gear Company LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 20, 2025 | Active |
| Markel Properties LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 22, 2025 | Active |
| Luminary Thinker LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jun 25, 2025 | Active |
| NJM Consulting LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jul 7, 2025 | Active |
| Holo Hideout L.L.C.Harwinton, CT · Active | Harwinton, CT | LLC | Jul 9, 2025 | Active |
| NJM Solutions LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Jul 17, 2025 | Dissolved |
| 203 Holabird Real Estate LLCHarwinton, CT · Active | Harwinton, CT | LLC | Jul 21, 2025 | Active |
| The Paga Group LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Jul 22, 2025 | Dissolved |
| HnR Enterprises LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Aug 4, 2025 | Dissolved |
| Assorted Odds and Services LLCHarwinton, CT · Active | Harwinton, CT | LLC | Aug 11, 2025 | Active |
| Serenity Pet Care LLCHarwinton, CT · Dissolved | Harwinton, CT | LLC | Aug 13, 2025 | Dissolved |
| Anthurium Insurance Group LLCHarwinton, CT · Active | Harwinton, CT | LLC | Aug 28, 2025 | Active |
| Melanson mechinical L.L.C.Harwinton, CT · Active | Harwinton, CT | LLC | Aug 29, 2025 | Active |
| Oak and Iron LLCHarwinton, CT · Active | Harwinton, CT | LLC | Aug 29, 2025 | Active |
| Anthurium Insurance L.L.C.Harwinton, CT · Dissolved | Harwinton, CT | LLC | Sep 2, 2025 | Dissolved |
| 5 Angel's Trucking LLCHarwinton, CT · Active | Harwinton, CT | LLC | Sep 12, 2025 | Active |
| Kennon's Hauling & Towing LLCHarwinton, CT · Active | Harwinton, CT | LLC | Sep 15, 2025 | Active |
| 423 greystone LLCHarwinton, CT · Active | Harwinton, CT | LLC | Sep 18, 2025 | Active |
| No bull LLCHarwinton, CT · Active | Harwinton, CT | LLC | Sep 19, 2025 | Active |
| TWO GOLDENS TRUCKING LLCHarwinton, CT · Active | Harwinton, CT | LLC | Oct 4, 2025 | Active |
| Quail Ridge Naturals LLCHarwinton, CT · Active | Harwinton, CT | LLC | Oct 13, 2025 | Active |
| RC Home Builders LLCHarwinton, CT · Active | Harwinton, CT | LLC | Oct 28, 2025 | Active |