| Coastal Resorts International INC | Accommodation and Food Services | $1,358,266 | $1,369,208 | 51 | $15.9M |  Research |
| Humphries Inc. | Accommodation and Food Services | $1,094,678 | $1,105,351 | 73 | $22.8M | Research |
| Beachead II LLC | Accommodation and Food Services | $639,139 | $645,228 | 50 | $8.9M | Research |
| Block Island Resorts INC | Accommodation and Food Services | $440,601 | $444,983 | 37 | $11.6M | Research |
| Poor People's Pub Block Island Inc. | Accommodation and Food Services | $437,664 | $442,527 | 20 | <$5M | Research |
| Block Island Reservation INC | Accommodation and Food Services | $344,239 | $346,888 | 70 | $21.9M | Research |
| Shoreham, Inc. | Accommodation and Food Services | $331,000 | $920,459 | 80 | $14.2M | Research |
| Coastal Resorts International INC | Construction | $311,600 | $977,197 | 70 | $26.2M | Research |
| M J Transportation INC | Real Estate and Rental and Leasing | $252,500 | $254,457 | 40 | $18.1M | Research |
| Maclac Enterprises | Retail Trade | $244,200 | $246,296 | 21 | $5.2M | Research |
| Nkpt Victuals LLC | Accommodation and Food Services | $232,565 | $235,006 | 20 | <$5M | Research |
| Cecils Blackrock Grille LLC | Accommodation and Food Services | $216,362 | $218,633 | 22 | <$5M | Research |
| Humphries Inc. | Accommodation and Food Services | $214,000 | $789,623 | 73 | $13.0M | Research |
| Block Island Resorts, Inc. | Accommodation and Food Services | $176,170 | $317,783 | 37 | $11.6M | Research |
| Block Island Health Services INC | Health Care and Social Assistance | $175,285 | $176,239 | 10 | <$5M | Research |
| Block Island Health Services, Inc. | Health Care and Social Assistance | $175,284 | $176,677 | 10 | <$5M | Research |
| W Food Group LLC | Accommodation and Food Services | $169,055 | $170,407 | 28 | <$5M | Research |
| Block Island Utility District | Utilities | $149,837 | $151,094 | 7 | N/A | Research |
| Beachead II LLC | Accommodation and Food Services | $141,075 | $142,776 | 80 | $9.8M | Research |
| Old Harbour View Inc. | Accommodation and Food Services | $136,493 | $137,331 | 14 | <$5M | Research |
| Block Island Reservation, Inc. | Accommodation and Food Services | $135,700 | $247,838 | 45 | $14.1M | Research |
| Poor People's Pub Block Island, Inc. | Accommodation and Food Services | $134,382 | $135,707 | 20 | <$5M | Research |
| On-Island Entertainment Management, Inc. | Accommodation and Food Services | $126,392 | $127,301 | 15 | <$5M | Research |
| Ctm Services INC | Construction | $122,770 | $123,947 | 14 | <$5M | Research |
| Ctm Services INC | Construction | $122,700 | $123,930 | 9 | <$5M | Research |