| BAYVIEW DESIGNS, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 21, 1987 | Active |
| STAR WATER PRESS LTD.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 20, 1987 | Active |
| INFORMATION SYSTEMS ASSOCIATES, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 24, 1987 | Active |
| THE HAMLET GREEN, LTD.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 3, 1987 | Active |
| WES CO.-INDUSTRIES, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Mar 24, 1987 | Active |
| HENRY LANDIS INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 8, 1986 | Active |
| LANDIS REFINING CO., INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 8, 1986 | Active |
| MICHAEL MUJSCE INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 4, 1986 | Active |
| JAMIE'S BODY SHOPPE, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 23, 1986 | Active |
| PENINSULA INCORPORATEDHampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 5, 1986 | Active |
| REEL ACTION CHARTERS, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 18, 1985 | Active |
| ABSOLUTE FOOD,INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 23, 1985 | Active |
| TEN-S MARINA CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 13, 1985 | Active |
| PARK-LINE THE STRIPING CO., INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 30, 1985 | Active |
| JAMES PATRICK REALTY CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 18, 1985 | Active |
| LAWN DIMENSIONS, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Mar 21, 1985 | Active |
| SPELLMANS MARINE INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Oct 15, 1984 | Active |
| C.F. SINCLAIR, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 20, 1984 | Active |
| QUOGUE FUEL CO., INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 20, 1984 | Active |
| HAMPTON STYLE CONSTRUCTION CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 27, 1984 | Active |
| SANDRA JEANNE ENTERPRISES, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 11, 1984 | Active |
| COR J. SEA FOOD CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jul 1, 1983 | Active |
| PRINTING NETWORK CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 28, 1983 | Active |
| WHITEWATER POOL AND DECK CO., INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 19, 1983 | Active |
| JIMKEY HOLDING CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 22, 1983 | Active |
| SOUTH FORK OPTICAL CENTER INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 5, 1983 | Active |
| R & J TRADING CORPORATIONHampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 1, 1983 | Active |
| GERALDINE REALTY CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Mar 1, 1983 | Active |
| L. ARATA REALTY & MANAGEMENT CORPHampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 5, 1982 | Active |
| SOUND PROOF SECURITY SYSTEMS, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Oct 16, 1981 | Active |
| HAMPTON TERMITE INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Oct 13, 1981 | Active |
| R. C. R. CONTRACTING, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 6, 1980 | Active |
| THE R.J. MALONEY AGENCY, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 12, 1979 | Active |
| SUMMER ACTIVITIES, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Dec 11, 1979 | Active |
| DAVE BOFILL MARINE, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Nov 16, 1978 | Active |
| SLO-JACK'S 212 WEST MONTAUK HIGHWAY RESTAURANT CORP.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 21, 1978 | Active |
| EAST END JET SKI, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Aug 4, 1977 | Active |
| HAMPTON MUSIC AND ARTS, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Feb 19, 1976 | Active |
| MALONEY & MALONEY, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 19, 1975 | Active |
| HAMPTON COACH, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Apr 12, 1974 | Active |
| HAMPTON BAYS PLUMBING & HEATING, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jan 11, 1974 | Active |
| WITH PRIDE LANDSCAPE INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 13, 2011 | Active |
| HAMPTON HARBOR MARINA, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jan 6, 1993 | Active |
| CONCOL MUSIC, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jan 10, 1996 | Active |
| NOEL'S AT HAMPTON BAYS INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | May 7, 2003 | Active |
| NEUROMUSCULAR REHABILITATION SERVICES, P.C.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jul 21, 2000 | Active |
| CDL CARPENTRY, INC.Manorville, NY · Active | Manorville, NY | Corporation | Apr 30, 2007 | Active |
| TRADEMARK HOMES OF SUFFOLK CO. INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Jun 11, 2010 | Active |
| MENA'S CARPENTRY INC.Montauk, NY · Active | Montauk, NY | Corporation | Aug 14, 2018 | Active |
| T DESIGN, INC.Hampton Bays, NY · Active | Hampton Bays, NY | Corporation | Mar 16, 2011 | Active |