| Arrowhead Dental Associates Incorporated | Health Care and Social Assistance | $732,342 | $740,072 | 63 | $14.6M |  Research |
| Arrowhead Dental Associates Incorporated | Health Care and Social Assistance | $732,300 | $739,887 | 71 | $16.5M | Research |
| Shelter Harbor Golf Club | Arts, Entertainment, and Recreation | $544,680 | $547,600 | 60 | $8.4M | Research |
| The Charlestown Rathskeller Tavern INC | Accommodation and Food Services | $476,311 | $484,480 | 65 | $11.5M | Research |
| The Nordic Inc. | Accommodation and Food Services | $429,062 | $431,684 | 65 | $11.5M | Research |
| Ocean House Marina Inc. | Arts, Entertainment, and Recreation | $330,500 | $332,336 | 25 | <$5M | Research |
| The Nordic Inc. | Accommodation and Food Services | $306,472 | $308,333 | 54 | $9.6M | Research |
| H.d. Randall Realtors Inc. | Real Estate and Rental and Leasing | $291,900 | $295,078 | 23 | <$5M | Research |
| Charlestown Rathskeller Tavern, Inc. | Accommodation and Food Services | $262,200 | $266,510 | 65 | $11.5M | Research |
| Stedman & Kazounis Plumbing & Heating Co INC | Construction | $243,500 | $229,237 | 23 | $7.3M | Research |
| C & C Investments, Inc. | Construction | $195,595 | $197,872 | 14 | <$5M | Research |
| Larlham Landscape Construction Co. Inc. | Professional, Scientific, and Technical Services | $190,585 | $192,104 | 18 | <$5M | Research |
| Rmjc LLC | Real Estate and Rental and Leasing | $156,225 | $229,703 | 17 | <$5M | Research |
| Charlestown Mini-Super, Inc. | Retail Trade | $135,700 | $137,234 | 23 | $5.7M | Research |
| Pat's Power Equipment, Inc. | Retail Trade | $124,837 | $125,995 | 13 | <$5M | Research |
| Manisses Restaurant INC | Accommodation and Food Services | $115,356 | $116,019 | 10 | <$5M | Research |
| Gavitt's Sanitary Service | Administrative and Support and Waste Management | $115,200 | $115,995 | 12 | <$5M | Research |
| Ct Mark, LLC | Accommodation and Food Services | $109,300 | $110,423 | 4 | <$5M | Research |
| Birdmar Enterprizes. INC | Accommodation and Food Services | $104,503 | $105,101 | 7 | <$5M | Research |
| Habitat for Humanity for Rhode Island South County Inc. | Health Care and Social Assistance | $92,195 | $93,002 | 7 | N/A | Research |
| Habitat for Humanity for Rhode Island South County INC | Other Services (except Public Administration) | $90,140 | $90,651 | 8 | N/A | Research |
| Charlestown Willows INC | Accommodation and Food Services | $87,657 | $88,088 | 10 | <$5M | Research |
| Stasiunas Construction Company INC | Construction | $81,609 | $82,341 | 7 | <$5M | Research |
| Narragansett Dock Works Inc. | Construction | $77,700 | $78,548 | 6 | <$5M | Research |
| S. & K. Electric, Inc. | Construction | $77,530 | $78,249 | 6 | <$5M | Research |