| Balise Motor Sales Company | Retail Trade | $4,695,000 | $4,708,466 | 298 | $75.1M |  Research |
| Professional Drywall Construction, Inc. | Construction | $3,052,600 | $3,087,977 | 150 | $37.9M | Research |
| Springfield Anesthesia Service, Inc. | Health Care and Social Assistance | $3,028,487 | $3,063,399 | 113 | $35.5M | Research |
| Sullivan Paper Company Inc. | Manufacturing | $1,646,732 | $1,654,188 | 135 | $133.9M | Research |
| Sullivan Paper Company, Inc. | Manufacturing | $1,646,700 | $1,657,907 | 140 | $138.9M | Research |
| West Springfield Auto Parts Inc. | Retail Trade | $1,596,500 | $1,611,721 | 206 | $55.7M | Research |
| Chandler Architectural Products, Inc. | Construction | $1,454,000 | $1,465,067 | 92 | $21.3M | Research |
| Universal Electric Co Inc. | Construction | $1,399,900 | $1,422,145 | 74 | $24.3M | Research |
| Pioneer Spine & Sports Physicians PC | Health Care and Social Assistance | $1,392,600 | $1,403,855 | 133 | $41.7M | Research |
| Pioneer Spine & Sports Physicians PC | Health Care and Social Assistance | $1,350,637 | $1,363,292 | 114 | $35.8M | Research |
| Btls, Inc. | Retail Trade | $1,324,100 | $1,341,730 | 90 | $22.7M | Research |
| Central Chevrolet, Inc. | Retail Trade | $1,284,300 | $1,291,337 | 89 | $22.4M | Research |
| Fathers & Sons INC | Retail Trade | $1,104,238 | $940,943 | 88 | $22.2M | Research |
| Fathers & Sons, Inc. | Retail Trade | $1,104,237 | $1,113,494 | 74 | $18.6M | Research |
| Eastern States Exposition | Arts, Entertainment, and Recreation | $978,980 | $986,431 | 57 | $8.0M | Research |
| Eastern States Exposition | Arts, Entertainment, and Recreation | $978,980 | $987,274 | 57 | $15.0M | Research |
| A-C Motor Express, LLC | Transportation and Warehousing | $900,750 | $904,979 | 75 | $17.1M | Research |
| Bear Mt West Springfield LLC | Health Care and Social Assistance | $876,300 | $887,944 | 132 | $22.5M | Research |
| Betera Motors of West Springfield Inc. | Retail Trade | $800,712 | $806,206 | 52 | $13.1M | Research |
| Lmerg Inc. | Health Care and Social Assistance | $782,720 | $789,947 | 193 | $33.1M | Research |
| Calamari's Iii, Inc. | Accommodation and Food Services | $767,480 | $771,765 | 65 | $11.5M | Research |
| Bertera Motors of West Springfield INC | Retail Trade | $764,395 | $773,079 | 64 | $16.1M | Research |
| Pascoe Workforce Solutions LLC | Administrative and Support and Waste Management | $718,849 | $723,961 | 84 | $13.2M | Research |
| Bertera Subaru INC | Retail Trade | $718,172 | $723,239 | 58 | $14.6M | Research |
| Bertera Subaru Inc. | Retail Trade | $715,968 | $724,042 | 64 | $16.1M | Research |