| The Moore Company | Manufacturing | $3,221,000 | $3,257,446 | 227 | $80.1M |  Research |
| Ocean House Management , LLC | Accommodation and Food Services | $2,572,332 | $2,601,414 | 230 | $71.9M | Research |
| Ocean House Management LLC | Accommodation and Food Services | $1,995,000 | $2,006,804 | 180 | $56.3M | Research |
| Ivory Ella, LLC | Wholesale Trade | $1,615,500 | $1,627,627 | 83 | $21.4M | Research |
| Westerly Health Centers Associates | Health Care and Social Assistance | $1,183,000 | $1,204,064 | 102 | $17.4M | Research |
| Scalabrini Villa Inc. | Health Care and Social Assistance | $1,075,000 | $1,086,288 | 111 | N/A | Research |
| Ivory Ella LLC | Wholesale Trade | $1,020,270 | $1,027,286 | 87 | $22.4M | Research |
| Weekapaug Inn Restaurant LLC | Accommodation and Food Services | $723,527 | $727,768 | 70 | $12.4M | Research |
| Ocean Community Ymca | Other Services (except Public Administration) | $699,530 | $704,155 | 152 | $29.0M | Research |
| Olympia Tea Room Inc. | Accommodation and Food Services | $686,500 | $693,022 | 45 | $8.0M | Research |
| John Strafach & Sons Inc. | Construction | $685,503 | $690,872 | 8 | <$5M | Research |
| John Strafach & Sons, Inc. | Construction | $685,502 | $691,481 | 65 | $15.0M | Research |
| Valenti's of Westerly, Inc. | Retail Trade | $634,540 | $638,886 | 31 | $7.8M | Research |
| Ocean Community Ymca | Other Services (except Public Administration) | $634,537 | $639,120 | 87 | $16.6M | Research |
| Royal Westerly, LLC | Health Care and Social Assistance | $582,525 | $589,159 | 108 | $18.4M | Research |
| Royal Westerly LLC | Health Care and Social Assistance | $582,525 | $587,023 | 108 | $18.4M | Research |
| Maxson Automatic Machinery Company | Manufacturing | $562,500 | $567,891 | 31 | $8.1M | Research |
| Maxson Automatic Machinery Company | Manufacturing | $546,580 | $549,996 | 24 | $6.3M | Research |
| Cimini and Associates INC | Manufacturing | $520,000 | $404,768 | 34 | $8.9M | Research |
| Weekapaug Inn Restaurant, LLC | Accommodation and Food Services | $516,805 | $520,480 | 66 | $11.7M | Research |
| Valenti Subaru, Inc. | Retail Trade | $472,083 | $475,523 | 22 | $5.5M | Research |
| Fun-One Inc. | Accommodation and Food Services | $437,700 | $442,466 | 234 | $41.5M | Research |
| Frank Olean Center INC | Health Care and Social Assistance | $433,503 | $436,380 | 38 | N/A | Research |
| Frank Olean Center INC | Health Care and Social Assistance | $433,502 | $437,379 | 57 | N/A | Research |
| Ocean Cjdr INC | Retail Trade | $431,800 | $435,810 | 31 | $7.8M | Research |