| Epic Mechanical Contractors LLC | Construction | $3,491,950 | $3,536,245 | 176 | $57.9M |  Research |
| Strategic Security Corp. | Administrative and Support and Waste Management | $3,438,247 | $3,476,154 | 500 | $73.2M | Research |
| Bren-Tronics, Inc. | Manufacturing | $3,065,000 | $3,101,099 | 269 | $70.4M | Research |
| Gemini Pharmaceuticals, Inc. | Manufacturing | $2,685,142 | $2,715,451 | 245 | $243.0M | Research |
| Epic Mechanical Contractors LLC | Construction | $2,000,000 | $2,017,096 | 176 | $55.7M | Research |
| Beyer Graphics INC | Manufacturing | $1,913,695 | $1,930,812 | 124 | $123.0M | Research |
| Beyer Graphics INC | Manufacturing | $1,908,697 | $1,918,559 | 133 | $131.9M | Research |
| Vehicle Tracking Solution LLC | Information | $1,757,210 | $1,774,773 | 110 | $18.5M | Research |
| Forster & Garbus LLP | Professional, Scientific, and Technical Services | $1,665,958 | $1,678,053 | 117 | $28.4M | Research |
| Forster & Garbus LLP | Administrative and Support and Waste Management | $1,665,900 | $1,676,976 | 160 | $30.3M | Research |
| American Wood Installers INC | Wholesale Trade | $1,662,662 | $1,668,666 | 54 | $16.5M | Research |
| Liberty Moving & Storage Inc., Co. | Transportation and Warehousing | $1,641,895 | $1,659,529 | 114 | $28.5M | Research |
| Liberty Moving & Storage | Transportation and Warehousing | $1,589,122 | $1,597,307 | 102 | $25.5M | Research |
| Strategic Security Corp. | Administrative and Support and Waste Management | $1,514,702 | $1,523,650 | 250 | $36.6M | Research |
| American Wood Installers INC | Manufacturing | $1,513,857 | $1,530,762 | 30 | $29.8M | Research |
| Building Blocks Developmental Pre-School, Inc. | Health Care and Social Assistance | $1,461,400 | $503,588 | 170 | N/A | Research |
| Nassau Suffolk Services for the Autistic, Inc. | Professional, Scientific, and Technical Services | $1,392,074 | $1,408,895 | 142 | N/A | Research |
| Alure Home Improvements Inc. | Construction | $1,385,694 | $1,394,008 | 80 | $24.3M | Research |
| Alure Home Improvements INC | Construction | $1,385,694 | $1,399,012 | 92 | $27.9M | Research |
| Tamron USA | Wholesale Trade | $1,093,184 | $1,098,923 | 63 | $19.3M | Research |
| Gasser & Sons, LLC | Manufacturing | $1,011,319 | $1,020,850 | 82 | $20.0M | Research |
| The Suffolk Y Jewish Community Center Inc. | Health Care and Social Assistance | $984,968 | $992,301 | 123 | N/A | Research |
| The Suffolk Y Jewish Community Center, Inc. | Health Care and Social Assistance | $977,360 | $983,755 | 202 | N/A | Research |
| Simply Natural Foods LLC | Wholesale Trade | $937,357 | $948,836 | 166 | $42.7M | Research |
| Gurwin Jewish-Fay J. Lindner Residences, Inc. | Health Care and Social Assistance | $893,900 | $900,877 | 103 | N/A | Research |