| MCCASTLE INC.Peconic, NY · Active | Peconic, NY | Corporation | Jan 11, 1990 | Active |
| OTTO DESIGN GROUP, INC.Peconic, NY · Active | Peconic, NY | Corporation | Oct 29, 1987 | Active |
| CHUCK'S FIBERGLASS INC.Peconic, NY · Active | Peconic, NY | Corporation | Apr 1, 2015 | Active |
| SCOTT DESIMONE P.C.Peconic, NY · Active | Peconic, NY | Corporation | Dec 31, 2012 | Active |
| PECONIC OFFICE MANAGEMENT CORP.Peconic, NY · Active | Peconic, NY | Corporation | Oct 10, 2012 | Active |
| PECONIC HOME MANAGEMENT, INC.Peconic, NY · Active | Peconic, NY | Corporation | Sep 18, 2009 | Active |
| J. VERGARI, INC.Peconic, NY · Active | Peconic, NY | Corporation | May 23, 2007 | Active |
| SOUTHOLD PLUMBING & HEATING INC.Peconic, NY · Active | Peconic, NY | Corporation | Aug 8, 2006 | Active |
| DCAONE, LTD.Peconic, NY · Active | Peconic, NY | Corporation | Apr 13, 2004 | Active |
| CATAPANO DAIRY FARM, INC.Peconic, NY · Active | Peconic, NY | Corporation | Mar 19, 2004 | Active |
| HORS 'N' AROUND REALTY, INC.Peconic, NY · Active | Peconic, NY | Corporation | Oct 1, 1999 | Active |
| GOLDEN NUGGET CHARTERS INC.Peconic, NY · Active | Peconic, NY | Corporation | Jun 13, 1997 | Active |
| CONSTRUCTION EQUIPMENT AND SERVICES, INC.Peconic, NY · Active | Peconic, NY | Corporation | Jan 14, 1997 | Active |
| PHP INC.Peconic, NY · Active | Peconic, NY | Corporation | Oct 2, 1995 | Active |
| CASTIGLIONE, INC.Pecoric, NY · Active | Pecoric, NY | Corporation | Sep 4, 1992 | Active |
| 825 PECONIC LANE, INC.Peconic, NY · Active | Peconic, NY | Corporation | Feb 18, 1992 | Active |
| NORTH FORK WOOD DESIGN, INC.Peconic, NY · Active | Peconic, NY | Corporation | Jul 7, 1989 | Active |
| TED'S AUTO BODY, INC.Peconic, NY · Active | Peconic, NY | Corporation | Jan 5, 1987 | Active |
| SETTLERS PROPERTIES INC.Peconic, NY · Active | Peconic, NY | Corporation | Jan 17, 1986 | Active |
| RUTH ENTERPRISES, INC.Peconic, NY · Active | Peconic, NY | Corporation | Feb 19, 1985 | Active |
| DAY STUDIO, INC.Peconic, NY · Active | Peconic, NY | Corporation | Mar 15, 1982 | Active |
| ENVIRONMENT EAST, INC.Peconic, NY · Active | Peconic, NY | Corporation | Jun 3, 1981 | Active |
| E. E. C. O. ELECTRIC CORP.Peconic, NY · Active | Peconic, NY | Corporation | Jan 30, 1980 | Active |
| LATHAM SAND & GRAVEL, INC.Peconic, NY · Active | Peconic, NY | Corporation | Sep 21, 1978 | Active |
| MAZZELLA HOLDING LTD.Paconic, NY · Active | Paconic, NY | Corporation | Jul 29, 2005 | Active |
| VIRTUAL 3-D TECHNOLOGIES CORP.Peconic, NY · Active | Peconic, NY | Corporation | Apr 17, 1997 | Active |
| ROYAL CONSTRUCTION & PROPERTIES, LTD.Peconic, NY · Active | Peconic, NY | Corporation | Jan 12, 2004 | Active |
| NATURAL IMAGES LANDSCAPING INC.Peconic, NY · Active | Peconic, NY | Corporation | May 29, 1997 | Active |
| Henry Amador Center on Anosognosia Inc., Delinquent July 1, 2024Location not reported, CO · Delinquent | Location not reported, CO | Nonprofit | Jan 22, 2019 | Delinquent |
| PINDAR VINEYARDS LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Feb 2, 2021 | Active |
| S. CARTSELOS LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Aug 10, 2023 | Active |
| Instant Response LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Mar 26, 2026 | Active |
| CREATIVE ENVIRONMENTAL DESIGN, INC.Peconic, NY · Active | Peconic, NY | Corporation | Jul 14, 1972 | Active |
| BRIARCLIFF LANDSCAPE, INC.Peconic, NY · Active | Peconic, NY | Corporation | Feb 21, 1969 | Active |
| DRAGONFLY HOLDINGS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Nov 1, 2010 | Inactive |
| 311 SPRING LINE, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jan 25, 2023 | Inactive |