| Zola Media, LLC | Professional, Scientific, and Technical Services | $566,808 | $570,721 | 40 | $8.3M |  Research |
| 1029 Port Wash and Main LLC | Accommodation and Food Services | $552,324 | $562,450 | 68 | $12.1M | Research |
| Csi Security & Electric Inc. | Administrative and Support and Waste Management | $546,352 | $551,576 | 24 | <$5M | Research |
| Prime Food Distributor Inc. | Manufacturing | $544,810 | $550,198 | 50 | $17.6M | Research |
| The Community Synagogue | Other Services (except Public Administration) | $538,313 | $542,900 | 90 | $17.2M | Research |
| Security Management Systems INC | Administrative and Support and Waste Management | $529,272 | $535,432 | 18 | <$5M | Research |
| Symbiotic Salon Systems LLC | Professional, Scientific, and Technical Services | $522,500 | $525,964 | 113 | $11.7M | Research |
| Oztec Industries, Inc. | Manufacturing | $504,000 | $508,847 | 38 | $9.9M | Research |
| Westbury Tavern LLC | Accommodation and Food Services | $497,788 | $504,253 | 60 | $10.7M | Research |
| The Marfan Foundation Inc. | Other Services (except Public Administration) | $491,000 | $494,524 | 25 | N/A | Research |
| Port Washington Children's Center | Health Care and Social Assistance | $465,725 | $473,138 | 63 | $10.2M | Research |
| Cosmopak Usa, LLC | Administrative and Support and Waste Management | $452,162 | $455,061 | 24 | <$5M | Research |
| Roslyn O-S Hotel Partners LLC | Accommodation and Food Services | $449,000 | $455,136 | 35 | $10.9M | Research |
| Westbury Tavern LLC | Accommodation and Food Services | $436,598 | $442,256 | 70 | $12.4M | Research |
| Cow Bay Sprinkler Corp. DBA Cow Bay Contracting | Construction | $427,010 | $433,474 | 34 | $38.7M | Research |
| Channel Manufacturing Inc. | Manufacturing | $426,965 | $430,266 | 38 | $9.3M | Research |
| Channel Manufacturing Inc. | Manufacturing | $426,965 | $429,638 | 38 | $9.3M | Research |
| Creative Landscaping by Cow Bay INC | Administrative and Support and Waste Management | $424,542 | $431,217 | 34 | $7.4M | Research |
| Electrical Contracting Solutions | Construction | $422,187 | $425,623 | 32 | $10.5M | Research |
| Island Photography INC | Other Services (except Public Administration) | $418,570 | $421,999 | 167 | $31.9M | Research |
| Island Photography INC | Retail Trade | $418,570 | $422,595 | 134 | $32.0M | Research |
| Wal-Rich Corp. | Wholesale Trade | $417,135 | $419,662 | 35 | $10.7M | Research |
| Roar Beverages Inc. | Manufacturing | $414,500 | $419,048 | 16 | $5.6M | Research |
| The Marfan Foundation INC | Other Services (except Public Administration) | $404,099 | $493,946 | 26 | N/A | Research |
| 1029 Port Wash and Main LLC | Accommodation and Food Services | $394,517 | $399,394 | 68 | $12.1M | Research |