| Sam Ash Music Corporation | Retail Trade | $10,000,000 | $10,177,761 | 500 | $117.7M |  Research |
| L & L Painting Co INC | Real Estate and Rental and Leasing | $7,682,351 | $7,781,064 | 379 | $56.9M | Research |
| Nassau Candy Distributors INC | Manufacturing | $5,704,054 | $5,768,127 | 500 | $176.5M | Research |
| Homecare Therapies LLC | Administrative and Support and Waste Management | $5,304,700 | $5,375,724 | 500 | $78.7M | Research |
| Catholic Charities of the Diocese of Rockville Centre, Inc. | Health Care and Social Assistance | $4,692,090 | $4,757,388 | 493 | N/A | Research |
| Central Nassau Guidance & Counseling Services, Inc. | Health Care and Social Assistance | $3,696,595 | $3,738,422 | 263 | N/A | Research |
| Aides at Home, INC | Health Care and Social Assistance | $3,263,497 | $3,311,869 | 420 | $71.9M | Research |
| A. V. A. Pork Products INC | Wholesale Trade | $2,589,201 | $2,617,930 | 277 | $71.3M | Research |
| Lincoln It LLC | Professional, Scientific, and Technical Services | $2,391,120 | $2,082,304 | 137 | $28.3M | Research |
| United Telecom USA INC | Retail Trade | $2,162,222 | $2,187,179 | 210 | $64.3M | Research |
| Abco Peerless Sprinkler Corp | Construction | $2,000,000 | $2,021,973 | 105 | $35.8M | Research |
| Acs System Associates Inc. | Construction | $2,000,000 | $2,037,260 | 125 | $39.5M | Research |
| Lic Payroll Processing Corp | Professional, Scientific, and Technical Services | $1,968,840 | $1,986,942 | 350 | $111.4M | Research |
| Abco Peerless Sprinkler Corp | Construction | $1,910,000 | $1,933,810 | 99 | $112.8M | Research |
| Bcny International, Inc. | Wholesale Trade | $1,660,000 | $1,191,822 | 74 | $19.0M | Research |
| Godsell Construction Corp | Construction | $1,658,907 | $1,671,906 | 106 | $120.8M | Research |
| Mobile City District 1 LLC | Professional, Scientific, and Technical Services | $1,501,290 | $0 | 108 | $22.3M | Research |
| Holy Trinity Diocesan High School | Educational Services | $1,499,500 | $1,516,220 | 87 | N/A | Research |
| Gateway Demo/civil Corp. | Construction | $1,492,250 | $1,519,169 | 55 | $62.7M | Research |
| Godsell Construction Corp | Construction | $1,491,944 | $1,507,231 | 41 | $46.7M | Research |
| Quesos La Ricura, Ltd | Manufacturing | $1,483,190 | $1,502,101 | 233 | $82.2M | Research |
| Flexfit, LLC | Manufacturing | $1,428,289 | $1,440,469 | 76 | $26.8M | Research |
| Vocational Education and Extension Board | Educational Services | $1,391,630 | $1,403,498 | 127 | N/A | Research |
| Big Apple Group NY LLC | Professional, Scientific, and Technical Services | $1,360,105 | $1,369,644 | 82 | $10.1M | Research |
| Hirani Engineering and Land Surveying P.c. | Professional, Scientific, and Technical Services | $1,351,650 | $1,359,487 | 76 | $9.4M | Research |