| Androscoggin Home Health Services INC | Health Care and Social Assistance | $5,849,800 | $5,898,061 | 466 | N/A |  Research |
| Continuum Health Services INC | Health Care and Social Assistance | $5,460,285 | $5,537,184 | 500 | $85.1M | Research |
| North Country Associates, Inc. | Health Care and Social Assistance | $4,747,600 | $4,407,233 | 500 | $85.1M | Research |
| G4 Holdings, Inc. | Professional, Scientific, and Technical Services | $4,699,300 | $4,334,466 | 346 | $38.8M | Research |
| Tri-County Mental Health Services | Health Care and Social Assistance | $2,132,200 | $2,157,016 | 200 | N/A | Research |
| Elmet Technologies LLC | Manufacturing | $2,002,060 | $2,025,417 | 154 | $40.3M | Research |
| Modula Inc. | Professional, Scientific, and Technical Services | $1,884,688 | $1,902,121 | 130 | $13.5M | Research |
| Community Concepts Inc. | Real Estate and Rental and Leasing | $1,759,738 | $1,771,839 | 208 | N/A | Research |
| Community Clinical Services INC | Health Care and Social Assistance | $1,671,337 | $1,690,279 | 122 | N/A | Research |
| Sj Acquistion, INC | Information | $1,633,900 | $1,643,113 | 155 | $26.0M | Research |
| Sj Acquisition Inc. | Information | $1,633,900 | $1,640,118 | 152 | $25.5M | Research |
| Valley Distributors, Inc. | Wholesale Trade | $1,627,100 | $1,637,576 | 131 | $33.7M | Research |
| Tmm, Inc. | Accommodation and Food Services | $1,566,800 | $1,577,332 | 250 | $44.4M | Research |
| Maine Public Broadcasting Corporation | Information | $1,294,000 | $1,301,405 | 99 | N/A | Research |
| Food City Holdings, Inc. | Retail Trade | $1,267,100 | $1,276,779 | 292 | $72.9M | Research |
| Seniorsplus | Health Care and Social Assistance | $1,198,200 | $1,207,553 | 117 | N/A | Research |
| Hahnel Bros. Co. | Construction | $1,173,700 | $1,183,742 | 128 | $42.2M | Research |
| Industrial Roofing & Siding Co. | Construction | $1,124,600 | $1,135,502 | 88 | $29.0M | Research |
| Berman & Simmons, P.a. | Professional, Scientific, and Technical Services | $1,077,200 | $1,083,244 | 62 | $15.1M | Research |
| Itc Argo LLC | Administrative and Support and Waste Management | $1,075,400 | $1,083,107 | 170 | $32.2M | Research |
| Neal Specialty Compunding, LLC | Manufacturing | $1,059,400 | $1,066,163 | 86 | $85.3M | Research |
| Casco Bay Vending LLC | Retail Trade | $938,100 | $943,468 | 109 | $26.6M | Research |
| Casco Bay Vending LLC | Retail Trade | $938,100 | $944,198 | 70 | $17.1M | Research |
| St Laurent & Son INC | Construction | $857,300 | $862,468 | 60 | $22.5M | Research |
| Jjm Medical Services PC | Health Care and Social Assistance | $834,238 | $841,699 | 63 | $19.8M | Research |