| Tabor Academy | Educational Services | $3,139,782 | $3,175,279 | 226 | N/A |  Research |
| Ais INC | Professional, Scientific, and Technical Services | $1,841,497 | $1,852,546 | 215 | $44.7M | Research |
| South Coast Improvement Company | Construction | $1,002,600 | $1,010,816 | 45 | $51.3M | Research |
| South Coast Improvement Company | Construction | $1,002,500 | $1,014,391 | 38 | $43.3M | Research |
| Thompson Consultants in | Professional, Scientific, and Technical Services | $836,500 | $845,283 | 44 | $5.4M | Research |
| Thompson Consultants, Inc. | Professional, Scientific, and Technical Services | $823,570 | $834,414 | 46 | $5.7M | Research |
| Burr Brothers Boats, Inc. | Arts, Entertainment, and Recreation | $796,000 | $803,611 | 48 | $6.7M | Research |
| The Wave Restuarant INC | Accommodation and Food Services | $540,730 | $546,002 | 56 | $9.9M | Research |
| The Wave Restaurant, Inc. | Accommodation and Food Services | $376,340 | $379,006 | 66 | $11.7M | Research |
| Jonathan Sprouts INC | Agriculture, Forestry, Fishing and Hunting | $358,557 | $362,541 | 35 | <$5M | Research |
| Zipher Medical Affairs Company, LLC | Professional, Scientific, and Technical Services | $302,476 | $304,241 | 14 | <$5M | Research |
| Baldwin Brothers, Inc. | Finance and Insurance | $287,700 | $363,153 | 19 | $9.8M | Research |
| Barden's Boat Yard, Inc. | Other Services (except Public Administration) | $261,683 | $264,903 | 23 | <$5M | Research |
| American Center for Bioregulatory Medicine and Dentistry, Ll | Professional, Scientific, and Technical Services | $255,074 | $258,277 | 18 | <$5M | Research |
| American Center for Bioregulatory Medicine and Dentistry LLC | Health Care and Social Assistance | $255,074 | $257,441 | 18 | $5.6M | Research |
| Hiller Company, Incorporated | Retail Trade | $254,040 | $257,208 | 18 | <$5M | Research |
| Zipher Medical Affairs Company, LLC | Professional, Scientific, and Technical Services | $233,000 | $235,094 | 12 | <$5M | Research |
| Gleason and Greenfield Pediatrics, P.c. | Health Care and Social Assistance | $208,983 | $90,196 | 7 | <$5M | Research |
| Turowski2 Architecture, Inc. | Professional, Scientific, and Technical Services | $208,500 | $210,505 | 11 | <$5M | Research |
| Marion Veterinary Clinic LLC | Professional, Scientific, and Technical Services | $190,435 | $192,831 | 12 | <$5M | Research |
| American Research and Management Co INC | Finance and Insurance | $185,487 | $187,115 | 8 | <$5M | Research |
| Franklin Analytical Services INC | Construction | $185,200 | $186,935 | 40 | $45.6M | Research |
| Franklin Analytical Services INC | Construction | $185,200 | $187,625 | 40 | $45.6M | Research |
| Marion Dental Health Ass | Health Care and Social Assistance | $175,000 | $176,152 | 12 | <$5M | Research |
| The Garfield Foundation | Other Services (except Public Administration) | $167,158 | $154,754 | 7 | N/A | Research |