| Suffield Manor Inc. | Health Care and Social Assistance | $1,959,300 | $1,983,724 | 232 | $39.5M | Research |
| Poulin Logistics Inc. | Transportation and Warehousing | $693,415 | $696,786 | 65 | $17.8M | Research |
| Fleming's Transportation, Inc. | Transportation and Warehousing | $462,630 | $466,190 | 35 | $13.6M | Research |
| Deming Electric L.l.c. | Construction | $459,200 | $463,113 | 33 | $10.9M | Research |
| Camoin Associates INC | Professional, Scientific, and Technical Services | $364,715 | $366,549 | 25 | <$5M | Research |
| Metal Finish Equipment & Supply Company INC | Manufacturing | $315,000 | $316,251 | 22 | $5.8M | Research |
| Metal Finish Equipment & Supply, Inc. | Manufacturing | $313,200 | $314,879 | 18 | <$5M | Research |
| Suffield Vetrinary Hospital | Professional, Scientific, and Technical Services | $285,600 | $287,392 | 31 | <$5M | Research |
| United Gear and Machine Company Inc. | Manufacturing | $283,637 | $285,650 | 17 | <$5M | Research |
| Residential Management Corporation | Real Estate and Rental and Leasing | $271,309 | $273,992 | 22 | <$5M | Research |
| Mystar Corp. | Health Care and Social Assistance | $256,000 | $257,852 | 46 | $7.9M | Research |
| Mystar Corp. | Health Care and Social Assistance | $247,896 | $248,833 | 36 | $6.2M | Research |
| United Gear and Machine Company, Inc. | Manufacturing | $236,800 | $238,604 | 14 | <$5M | Research |
| Suffield Medical Associates | Health Care and Social Assistance | $211,000 | $212,688 | 16 | $5.0M | Research |
| Evans Cooling Systems Inc. | Manufacturing | $210,000 | $210,793 | 13 | $12.9M | Research |
| Rehabilitation Practice Management,l.l.c | Health Care and Social Assistance | $186,651 | $133,407 | 5 | <$5M | Research |
| Edm Distributors Inc. | Wholesale Trade | $164,000 | $166,014 | 10 | <$5M | Research |
| Kelly Container Inc. | Transportation and Warehousing | $163,907 | $165,160 | 19 | <$5M | Research |
| Kelly Container INC | Transportation and Warehousing | $150,000 | $150,612 | 16 | <$5M | Research |
| Ren Investment Group, INC | Real Estate and Rental and Leasing | $143,990 | $145,014 | 16 | $7.2M | Research |
| Gardocki Farms, LLC | Agriculture, Forestry, Fishing and Hunting | $143,897 | $145,718 | 15 | <$5M | Research |
| Jackson Ryan Construction Services, Inc. | Construction | $141,018 | $142,444 | 9 | <$5M | Research |
| American Secondary Schools for International Students and Te | Educational Services | $139,535 | $140,632 | 9 | N/A | Research |
| Krupa Oil Company Inc. | Retail Trade | $130,767 | $131,635 | 6 | <$5M | Research |
| Rehabilitation Practice Managementl.l.c | Health Care and Social Assistance | $129,825 | $123,075 | 5 | <$5M | Research |