| Southampton Township Wild Fowlassociatio | Arts, Entertainment, and Recreation | $109,780 | $110,607 | 7 | N/A | AI Deep Dive |
| Southampton Township Wild Fowl Association INC | Arts, Entertainment, and Recreation | $106,500 | $107,329 | 7 | N/A | AI Deep Dive |
| Peconic Family Medicine P.c. | Health Care and Social Assistance | $101,200 | $102,305 | 9 | <$5M | AI Deep Dive |
| Jr Electrical Enterprises Inc. | Construction | $100,000 | $100,819 | 10 | <$5M | AI Deep Dive |
| D&r Pool Service INC | Administrative and Support and Waste Management | $99,710 | $100,654 | 1 | <$5M | AI Deep Dive |
| Carrington Land Surveying P C | Professional, Scientific, and Technical Services | $98,285 | $99,551 | 8 | <$5M | AI Deep Dive |
| F and J Electric Inc. | Construction | $96,675 | $97,534 | 8 | <$5M | AI Deep Dive |
| Carrington Land Surveying PC | Professional, Scientific, and Technical Services | $93,500 | $94,245 | 7 | <$5M | AI Deep Dive |
| Beach Electric of Quogue, Inc. | Construction | $92,640 | $93,546 | 10 | <$5M | AI Deep Dive |
| Hampton Pool Works INC | Other Services (except Public Administration) | $84,198 | $85,003 | 9 | <$5M | AI Deep Dive |
| S L Worby and Son INC | Construction | $83,848 | $84,400 | 5 | <$5M | AI Deep Dive |
| Island Wholesale Florist | Wholesale Trade | $83,000 | $83,989 | 7 | <$5M | AI Deep Dive |
| Sun-Brite Pool Services INC | Agriculture, Forestry, Fishing and Hunting | $82,400 | $82,965 | 12 | <$5M | AI Deep Dive |
| Quogue Management LLC | Administrative and Support and Waste Management | $80,200 | $80,749 | 5 | <$5M | AI Deep Dive |
| Quogue Management L.l.c. | Real Estate and Rental and Leasing | $80,200 | $80,904 | 5 | <$5M | AI Deep Dive |
| Turf Bros., Inc. | Administrative and Support and Waste Management | $79,100 | $79,848 | 6 | <$5M | AI Deep Dive |
| Court Order | Other Services (except Public Administration) | $78,450 | $79,387 | 18 | <$5M | AI Deep Dive |
| Court Order | Other Services (except Public Administration) | $77,215 | $77,706 | 20 | <$5M | AI Deep Dive |
| Peconic Plastics Inc. | Manufacturing | $77,041 | $78,223 | 11 | $10.9M | AI Deep Dive |
| Fertilawn INC | Other Services (except Public Administration) | $76,202 | $77,077 | 5 | <$5M | AI Deep Dive |
| Sun-Brite Pool Services INC | Agriculture, Forestry, Fishing and Hunting | $75,662 | $76,082 | 12 | <$5M | AI Deep Dive |
| S L Worby and Son INC | Construction | $75,260 | $75,847 | 5 | $5.7M | AI Deep Dive |
| Broad View Landscaping INC | Administrative and Support and Waste Management | $74,080 | $75,616 | 7 | <$5M | AI Deep Dive |
| Sparrow Heating & Air Conditioning INC | Construction | $67,000 | $67,742 | 6 | <$5M | AI Deep Dive |
| Sparrow Heating & Air Conditioning, Inc. | Construction | $67,000 | $67,873 | 6 | <$5M | AI Deep Dive |