| Roman Catholic Church of St. Isidore | Other Services (except Public Administration) | $45,600 | $46,045 | 11 | N/A |  AI Deep Dive |
| Riverhead Landing Apartment, LP | Real Estate and Rental and Leasing | $45,300 | $45,620 | 3 | <$5M | AI Deep Dive |
| Medical Office of Doctor Ilona K. Polak, P.c. | Health Care and Social Assistance | $45,067 | $45,626 | 3 | <$5M | AI Deep Dive |
| Exit 73 Studios LLC | Professional, Scientific, and Technical Services | $45,000 | $45,339 | 2 | <$5M | AI Deep Dive |
| Giacizzo INC | Finance and Insurance | $45,000 | $45,390 | 3 | <$5M | AI Deep Dive |
| Hamptonbuilder INC | Construction | $44,900 | $45,223 | 1 | <$5M | AI Deep Dive |
| Jeanmarie Costello | Professional, Scientific, and Technical Services | $44,863 | $0 | 3 | <$5M | AI Deep Dive |
| Giacizzo INC | Finance and Insurance | $44,415 | $44,993 | 3 | <$5M | AI Deep Dive |
| Transcendent Network Technologies INC | Construction | $44,400 | $44,708 | 2 | <$5M | AI Deep Dive |
| Richard Bogdanski | Health Care and Social Assistance | $44,370 | $44,650 | 3 | <$5M | AI Deep Dive |
| The First Baptist Church of Riverhead | Other Services (except Public Administration) | $43,900 | $44,161 | 2 | N/A | AI Deep Dive |
| The First Baptist Church of Riverhead | Other Services (except Public Administration) | $43,900 | $44,463 | 2 | N/A | AI Deep Dive |
| Relay Communications Center | Administrative and Support and Waste Management | $43,882 | $44,335 | 9 | <$5M | AI Deep Dive |
| 5th Generation Electric INC | Utilities | $43,455 | $44,044 | 5 | N/A | AI Deep Dive |
| Xplore INC | Arts, Entertainment, and Recreation | $43,419 | $43,917 | 16 | <$5M | AI Deep Dive |
| River Maintenance Inc. | Real Estate and Rental and Leasing | $43,345 | $43,667 | 5 | <$5M | AI Deep Dive |
| Bella Smiles Cosmetic and Family Dentist | Health Care and Social Assistance | $42,712 | $43,001 | 11 | <$5M | AI Deep Dive |
| Benjamin R. Sargent CPA P.c. | Professional, Scientific, and Technical Services | $42,327 | $42,722 | 4 | <$5M | AI Deep Dive |
| Phil's Auto & Truck Repair, Inc. | Other Services (except Public Administration) | $41,980 | $42,349 | 5 | <$5M | AI Deep Dive |
| Twin Fork Automotive Inc. | Other Services (except Public Administration) | $41,900 | $42,149 | 4 | <$5M | AI Deep Dive |
| Holy Schmitt's LLC | Agriculture, Forestry, Fishing and Hunting | $41,572 | $41,900 | 8 | <$5M | AI Deep Dive |
| Motosport Brokerage INC | Finance and Insurance | $41,500 | $41,779 | 3 | <$5M | AI Deep Dive |
| Signature Bagels Deli INC | Accommodation and Food Services | $41,500 | $42,011 | 6 | <$5M | AI Deep Dive |
| East End Local Media Corp. | Professional, Scientific, and Technical Services | $41,100 | $41,488 | 6 | <$5M | AI Deep Dive |
| Zavala Flooring Corp | Construction | $41,052 | $41,286 | 5 | <$5M | AI Deep Dive |