| 1650 FIFTH AVENUE CORP.Setauket, NY · Active | Setauket, NY | Corporation | Apr 23, 1993 | Active |
| TARGET SYSTEMS TECHNOLOGIES CORP.Setauket, NY · Active | Setauket, NY | Corporation | Apr 23, 1993 | Active |
| POINTER PENSION SERVICE, INC.Setauket, NY · Active | Setauket, NY | Corporation | Mar 22, 1993 | Active |
| L.I. SPORTS & FITNESS, INC.E. Setauket, NY · Active | E. Setauket, NY | Corporation | Dec 28, 1992 | Active |
| J.J.R. HOLDING CORP.Setauket, NY · Active | Setauket, NY | Corporation | Dec 8, 1992 | Active |
| 457 REALTY CORP.Setauket, NY · Active | Setauket, NY | Corporation | Nov 12, 1992 | Active |
| EARTHWEAR, INC.Setauket, NY · Active | Setauket, NY | Corporation | Jun 15, 1992 | Active |
| XIPHOS LTD.Setauket, NY · Active | Setauket, NY | Corporation | Nov 1, 1991 | Active |
| LUANN'S CLEANING SERVICES, LTD.E. Setauket, NY · Active | E. Setauket, NY | Corporation | May 17, 1991 | Active |
| L.I. LAW PUBLISHING CORP.Setauket, NY · Active | Setauket, NY | Corporation | Aug 9, 1990 | Active |
| ELECTRONIC PRODUCTION TOOL, INC.Setauket, NY · Active | Setauket, NY | Corporation | May 2, 1990 | Active |
| STRONGS NECK FARM NORTH, INC.Setauket, NY · Active | Setauket, NY | Corporation | May 1, 1990 | Active |
| CARLSTROM AND RITTER INC.Setauket, NY · Active | Setauket, NY | Corporation | Jan 4, 1990 | Active |
| STIRLING CREEK ASSOCIATES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Nov 6, 1989 | Active |
| ELECTRICAL AND ELECTRONIC SERVICES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Jul 28, 1989 | Active |
| DAVID K. LIEB, P.C.Setauket, NY · Active | Setauket, NY | Corporation | Apr 13, 1989 | Active |
| RED TOP DAIRY INC.Setauket, NY · Active | Setauket, NY | Corporation | Feb 24, 1989 | Active |
| ANDREWS CUSTOM BUILDING CORP.Setauket, NY · Active | Setauket, NY | Corporation | Nov 30, 1988 | Active |
| LOCAL LADIES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Aug 24, 1988 | Active |
| UNINET, INC.Setauket, NY · Active | Setauket, NY | Corporation | Aug 19, 1988 | Active |
| SONVICK BARBER SHOP, INC.Setauket, NY · Active | Setauket, NY | Corporation | Jun 28, 1988 | Active |
| GRILL GROUP, LTD.Setauket, NY · Active | Setauket, NY | Corporation | Jan 6, 1988 | Active |
| AA FOCUS TV & VIDEO CORP.Setauket, NY · Active | Setauket, NY | Corporation | May 6, 1987 | Active |
| EXETER PUBLISHING, LTD.Setauket, NY · Active | Setauket, NY | Corporation | Feb 19, 1987 | Active |
| CHAYA RESTAURANT, INC.Setauket, NY · Active | Setauket, NY | Corporation | Oct 20, 1986 | Active |
| KJS INDUSTRIES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Feb 13, 1986 | Active |
| J.D. BOWES ENTERPRISES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Oct 9, 1985 | Active |
| STRONG'S NECK RIDING CLUB, INC.Setauket, NY · Active | Setauket, NY | Corporation | Jun 10, 1985 | Active |
| R & O PEST CONTROL, INC.Setauket, NY · Active | Setauket, NY | Corporation | Dec 23, 1983 | Active |
| SASHA INC.Setauket, NY · Active | Setauket, NY | Corporation | Aug 17, 1983 | Active |
| C & F TECHNOLOGY INC.Setauket, NY · Active | Setauket, NY | Corporation | Jun 30, 1983 | Active |
| AMAGANSETT SUPER SAVER INC.Setauket, NY · Active | Setauket, NY | Corporation | Dec 9, 1982 | Active |
| APPLIED BIOMATHEMATICS, INC.Setauket, NY · Active | Setauket, NY | Corporation | Mar 15, 1982 | Active |
| DONOVAN ENTERPRISES, INC.Setauket, NY · Active | Setauket, NY | Corporation | Sep 26, 1980 | Active |
| J. A. MALENDA, INC.Old Field, NY · Active | Old Field, NY | Corporation | Nov 28, 1978 | Active |
| VILLAGE AUTOMOTIVE CENTER, INC.Setauket, NY · Active | Setauket, NY | Corporation | Nov 27, 1978 | Active |
| D.C.M. SYSTEMS CORP.Setauket, NY · Active | Setauket, NY | Corporation | Aug 30, 1978 | Active |
| BUSY BEE WINES & LIQUORS OF SETAUKET, INC.Setauket, NY · Active | Setauket, NY | Corporation | Jul 6, 1978 | Active |
| NTL, INC.Setauket, NY · Active | Setauket, NY | Corporation | Nov 15, 1977 | Active |
| VOIGT PRECISION WELDING INC.Setauket, NY · Active | Setauket, NY | Corporation | Jul 6, 2009 | Active |
| TLCW, INC.E. Setauket, NY · Active | E. Setauket, NY | Corporation | May 25, 2007 | Active |
| FILMORE FITNESS, INC.East Setauket, NY · Active | East Setauket, NY | Corporation | Feb 8, 2006 | Active |
| AL VALENTINO, INC.East Setauket, NY · Active | East Setauket, NY | Corporation | Sep 24, 2001 | Active |
| ESPRESSO PARTS INTERNATIONAL CORP.East Setauket, NY · Active | East Setauket, NY | Corporation | Oct 5, 1995 | Active |
| GRIMAC U.S.A. CORPORATIONEast Setauket, NY · Active | East Setauket, NY | Corporation | Oct 5, 1995 | Active |
| SETAUKET OPTICAL, INC.East Setauket, NY · Active | East Setauket, NY | Corporation | Aug 12, 1991 | Active |
| OCEAN INNOVATIONS, INC.E. Setauket, NY · Active | E. Setauket, NY | Corporation | Apr 9, 1999 | Active |
| ROBICH INC.Setauket, NY · Active | Setauket, NY | Corporation | Jul 20, 2000 | Active |
| TAMAN BATU, INC.East Setauket, NY · Active | East Setauket, NY | Corporation | Jul 27, 1998 | Active |
| PROSYSCON COMPUTER TECHNOLOGIES, INC.East Setauket, NY · Active | East Setauket, NY | Corporation | Oct 11, 2011 | Active |