| Dan's Carting & Recycling | Shelter Island | 2 | Recycling | (631) 872-2889 | 0.0 |
| Gene Sheperd | Shelter Island | 1 | — | (631) 749-0028 | 0.0 |
| Henry Go | Shelter Island | 1 | — | (301) 305-1501 | 0.0 |
| Suburban Sanitation Inc | Sag Harbor | 10 | Sanitation Consultants | (631) 725-1347 | 4.0 |
| Built Right Enterprises Inc | Greenport | 1 | — | (631) 926-8830 | 4.1 |
| Morris Cesspool Service Inc | Greenport | 1 | Sewer Contractors | (631) 765-3300 | 4.1 |
| Ratsey Construction | Greenport | 5 | — | (631) 241-8230 | 4.1 |
| Island Portables Inc | Southold | 3 | Septic and portable sanitation | (631) 445-1528 | 5.8 |
| Advanced Wastewater Solutions LLC | Eastport | 8 | — | (631) 259-3353 | 6.7 |
| Dump on US Recyclers Inc | E Hampton | 1 | Portable Toilets | (631) 907-0069 | 7.2 |
| East End Fuel | East Hampton | 3 | Oil Burners | (631) 329-9344 | 7.2 |
| Gino a Caputo Contracting Inc | East Hampton | 2 | Waste collection | (631) 445-5398 | 7.2 |
| Great Eastern Carting Inc | East Hampton | 4 | Waste collection | (631) 329-6396 | 7.2 |
| Junk Be Gone NY LLC | East Hampton | 1 | — | (917) 853-7645 | 7.2 |
| Number 1 Portable Restrooms LLC | Hampton | 1 | Septic and portable sanitation | (631) 965-6793 | 7.2 |
| QC Installations Inc | East Hampton | 3 | Septic Tank & System Cleaning | (631) 907-4426 | 7.2 |
| Quackenbush Cesspools Inc | East Hampton | 6 | Septic Tank & System Cleaning | (631) 907-4426 | 7.2 |
| The Ross Institute Inc | East Hampton | 1 | — | (631) 907-5249 | 7.2 |
| McBurnie Carting | Peconic | 2 | Recycling Centers | (631) 734-2225 | 7.8 |
| Morris Cesspool Sewer & Drain Services Inc | Peconic | 2 | Sewer Contractors | (631) 765-3300 | 7.8 |
| Fred T Wilford LLC | Bridgehampton | 4 | — | (631) 537-0246 | 8.6 |
| Mattituck Environmental Services LLC | Cutchogue | 8 | Garbage Collection | (631) 298-8888 | 9.5 |
| North Fork Sanitation Inc | Cutchogue | 10 | Garbage Collection | (631) 734-7221 | 9.5 |
| Oregon Rd Recycling Inc | Cutchogue | 1 | Recycling | (631) 734-7248 | 9.5 |
| Hampton's Septic Services Inc | Amagansett | 6 | Septic Tank & System Cleaning | (631) 267-7515 | 11.9 |
| Harbor Point Recycling LLC | Southampton | 3 | Recycling | (505) 646-8145 | 12.2 |
| Hurtado Excavation & Septic Services | Southampton | 1 | Septic and portable sanitation | (631) 903-5289 | 12.2 |
| Riverside Recycling | South Hampton | 1 | Recycling | (631) 255-8335 | 12.2 |
| South Fork Septic Services Inc | Southampton | 4 | Septic Tanks & Systems | (631) 283-0333 | 12.2 |
| Squires Pierson and Sons Inc | Southampton | 3 | Excavation Contractors | (631) 283-1403 | 12.2 |
| Peconic Bay Dumpsters Inc | Mattituck | 2 | Roll-off dumpsters | (631) 774-5626 | 12.6 |
| Peconic Bay Dumpsters Inc | Mattituck | 1 | Roll-off dumpsters | (631) 774-5626 | 12.6 |
