| Delta Engineers, Architects, Land Surveyors, & Landscape Arc | Professional, Scientific, and Technical Services | $2,211,985 | $2,237,074 | 135 | $16.6M |  Research |
| Gault Chevrolet Co., Inc. | Retail Trade | $1,912,043 | $1,930,063 | 181 | $45.6M | Research |
| Ideal Senior Living Center, Inc. | Health Care and Social Assistance | $1,688,577 | $1,698,153 | 214 | N/A | Research |
| Southern Tier Insulation Distributors, Inc. | Construction | $1,625,042 | $1,637,241 | 104 | $35.4M | Research |
| Endwell Family Physicians, LLP | Health Care and Social Assistance | $1,236,360 | $1,244,293 | 94 | $29.5M | Research |
| Engineering Manufacturing Technologies, LLC | Manufacturing | $1,234,000 | $1,240,821 | 124 | $30.3M | Research |
| Andrew R Mancini Associates INC | Construction | $1,150,357 | $1,159,434 | 65 | $74.1M | Research |
| Huron Real Estate Associates, LLC | Real Estate and Rental and Leasing | $950,512 | $961,710 | 91 | $13.7M | Research |
| Good Shepherd Villages at Endwell, Inc. | Health Care and Social Assistance | $840,010 | $851,793 | 207 | N/A | Research |
| Evans Mechanical, Inc. | Construction | $750,000 | $755,425 | 60 | $19.0M | Research |
| Endicott Research Group INC | Manufacturing | $611,210 | $619,432 | 70 | $18.3M | Research |
| Maione Consulting, Inc. | Administrative and Support and Waste Management | $610,682 | $614,532 | 95 | $20.6M | Research |
| Stcr Business Systems, Inc. | Professional, Scientific, and Technical Services | $601,500 | $606,477 | 48 | $9.9M | Research |
| New Vision Industries INC | Manufacturing | $555,607 | $558,169 | 47 | $11.5M | Research |
| Anc Heating & Air Conditioning Inc. | Construction | $398,000 | $326,497 | 25 | $7.9M | Research |
| Ideal Senior Living Center Housing Corp | Health Care and Social Assistance | $383,897 | $386,211 | 66 | N/A | Research |
| Empire Plastics Inc. | Manufacturing | $362,900 | $364,988 | 46 | $45.6M | Research |
| Daniel J. Lynch, Inc. | Construction | $341,300 | $343,507 | 74 | $84.3M | Research |
| Northeastern Water Services Inc. | Retail Trade | $341,200 | $343,778 | 31 | $7.4M | Research |
| Sam A. Lupo & Sons, Inc. | Wholesale Trade | $335,100 | $336,990 | 48 | $12.4M | Research |
| Progressive Dental | Health Care and Social Assistance | $330,855 | $333,719 | 37 | $8.6M | Research |
| Crowley Fabricating & Machining Co., Inc. | Manufacturing | $326,562 | $330,695 | 28 | $6.8M | Research |
| Crowley Fabricating & Machining Co. Inc. | Manufacturing | $303,172 | $307,009 | 25 | $6.1M | Research |
| Wayfare | Administrative and Support and Waste Management | $296,900 | $299,690 | 62 | $13.4M | Research |
| Felix Roma and Sons, INC | Manufacturing | $294,700 | $297,516 | 34 | $12.0M | Research |