| Northstar Pulp & Paper Co INC | Wholesale Trade | $968,712 | $979,799 | 84 | $25.7M |  Research |
| Ear, Nose & Throat Surgeons of Western New England, LLC | Health Care and Social Assistance | $962,030 | $972,599 | 58 | $18.2M | Research |
| Community Services Institute, Inc. | Health Care and Social Assistance | $951,135 | $963,500 | 179 | $31.9M | Research |
| Hampden and Franklin County Cardiovascular Associates PC | Health Care and Social Assistance | $942,000 | $1,182,468 | 91 | $28.6M | Research |
| Brown Bear Transportation, LLC | Transportation and Warehousing | $930,500 | $874,211 | 67 | $5.2M | Research |
| Summit Careers INC | Administrative and Support and Waste Management | $924,531 | $929,293 | 179 | $28.2M | Research |
| Northstar Pulp & Paper Co. Inc. | Administrative and Support and Waste Management | $910,171 | $916,131 | 80 | $15.1M | Research |
| National Ambulance, LLC | Health Care and Social Assistance | $907,095 | $916,997 | 180 | $41.7M | Research |
| Summit Careers, Inc. | Administrative and Support and Waste Management | $884,603 | $889,983 | 500 | $78.7M | Research |
| Best Tile Distributors of New England, INC | Retail Trade | $883,020 | $894,415 | 56 | $11.6M | Research |
| Balise Hy, INC | Retail Trade | $876,000 | $887,592 | 61 | $15.4M | Research |
| Hannoush Jewelers Inc. | Retail Trade | $875,000 | $882,146 | 110 | $30.4M | Research |
| Hannoush Jewelers INC | Retail Trade | $875,000 | $879,594 | 100 | $27.6M | Research |
| Kidney Care and Transplant Services of New England | Health Care and Social Assistance | $875,000 | $883,486 | 57 | $17.9M | Research |
| Roberts Energy, LLC | Wholesale Trade | $874,500 | $827,808 | 55 | $14.2M | Research |
| Tapestry Health Systems, INC | Health Care and Social Assistance | $871,905 | $882,392 | 96 | N/A | Research |
| Bear Mt Springfield LLC | Health Care and Social Assistance | $864,800 | $876,291 | 128 | $21.8M | Research |
| Prefere Melamines LLC | Manufacturing | $861,662 | $866,976 | 38 | $37.7M | Research |
| D.j. St. Germain Company, Inc. & Sub | Finance and Insurance | $820,638 | $829,204 | 34 | $17.5M | Research |
| T J Conway Company | Construction | $815,750 | $820,354 | 46 | $14.6M | Research |
| Roberts Energy LLC | Retail Trade | $803,850 | $808,673 | 58 | $13.9M | Research |
| Prefere Melamines LLC | Manufacturing | $799,025 | $807,859 | 36 | $35.7M | Research |
| Noonan Energy Corporation | Wholesale Trade | $792,690 | $802,268 | 66 | $17.0M | Research |
| Red Rose Pizzeria INC | Accommodation and Food Services | $791,000 | $796,786 | 135 | $24.0M | Research |
| A Better Life Homecare LLC | Health Care and Social Assistance | $788,200 | $766,334 | 230 | $39.1M | Research |