| Island Sanitation | East Quogue | 1 | Waste collection | (631) 653-8300 | 0.0 |
| TKF Excavating & Demolition | Quogue | 3 | Excavation Contractors | (631) 878-2700 | 2.2 |
| Blue Ocean Recycling Corp | Hampton Bays | 1 | Recycling | (631) 488-5009 | 3.2 |
| East End Sanitation | West Hampton Beach | 6 | Sanitation Consultants | (631) 288-1294 | 3.9 |
| CMM Sitework Inc | Flanders | 4 | Sanitation Consultants | (631) 286-3650 | 6.3 |
| Evolution Septic Services LLC | Riverhead | 1 | — | (631) 566-0614 | 6.3 |
| Fisher Carting Corp | Riverhead | 1 | Dump Truck Service | (631) 744-3366 | 6.3 |
| Go Green Sanitation Inc | Riverhead | 4 | Plastics-Scrap | (631) 732-9253 | 6.3 |
| Keepers of the Garden Inc | Riverhead | 1 | — | (631) 480-4929 | 6.3 |
| Luxe Lavs LLC | Riverhead | 2 | — | (631) 603-6417 | 6.3 |
| Wastewater Works Inc | Riverhead | 7 | — | (631) 591-0818 | 6.3 |
| Speonk Wood Recycling Inc | Speonk | 1 | Recycling Centers | (631) 325-5566 | 6.7 |
| Sunrise Sanitation | Speonk | 7 | Garbage Collection | (631) 288-3300 | 6.7 |
| Advanced Wastewater Services Inc | Eastport | 3 | — | (631) 259-3353 | 7.7 |
| M & M Rolloffs Inc | Eastport | 2 | Roll-off dumpsters | (631) 236-3884 | 7.7 |
| Recine Rolloff Service Inc | Eastport | 2 | Roll-off dumpsters | (631) 645-7229 | 7.7 |
| T-Rex Recycling Inc | Eastport | 1 | Recycling Centers | (631) 379-0424 | 7.7 |
| Twin Fork Portables | Eastport | 2 | Septic and portable sanitation | (631) 593-4474 | 7.7 |
| Harbor Point Recycling LLC | Southampton | 3 | Recycling | (505) 646-8145 | 8.9 |
| Hurtado Excavation & Septic Services | Southampton | 1 | Septic and portable sanitation | (631) 903-5289 | 8.9 |
| Riverside Recycling | South Hampton | 1 | Recycling | (631) 255-8335 | 8.9 |
| South Fork Septic Services Inc | Southampton | 4 | Septic Tanks & Systems | (631) 283-0333 | 8.9 |
| Squires Pierson and Sons Inc | Southampton | 3 | Excavation Contractors | (631) 283-1403 | 8.9 |
| Peconic Bay Dumpsters Inc | Mattituck | 2 | Roll-off dumpsters | (631) 774-5626 | 10.4 |
| Peconic Bay Dumpsters Inc | Mattituck | 1 | Roll-off dumpsters | (631) 774-5626 | 10.4 |
| Crown Portable Restrooms LLC | Calverton | 1 | Topsoil | (631) 727-3939 | 10.6 |
| Crown Sanitation Inc | Calverton | 8 | Topsoil | (631) 727-3939 | 10.6 |
| Excel Demolition Recycling Inc | Calverton | 2 | Topsoil | (631) 727-3939 | 10.6 |
| Filco Environmental Services LLC | Calverton | 1 | Optometrists | (718) 456-5000 | 10.6 |
| Galaxy Sanitation Services of New York Inc | Calverton | 2 | Demolition Contractors | (631) 345-6572 | 10.6 |
| Mid Suffolk Cesspool & Rooter Service Inc | Calverton | 1 | Septic Tank & System Cleaning | (631) 581-0036 | 10.6 |
| North Shore Express Sanitation Corp | Calverton | 2 | Excavation Contractors | (631) 369-3636 | 10.6 |
| Premier Home Remodeling and Design Inc | Calverton | 2 | — | (631) 886-2929 | 10.6 |
| B&L Container Rentals & Clean-Ups Corp | Manorville | 9 | House Cleaning | (631) 878-9273 | 11.7 |
| Eastern Environmental Solutions Inc | Manorville | 25 | Environmental Services-Site Remediation | (631) 727-2700 | 11.7 |
| Li Roll Offs | Manorville | 2 | Roll-off dumpsters | (631) 655-4459 | 11.7 |
| VP Demolition & Junk Removal Inc | Manorville | 1 | Junk removal | (631) 599-8414 | 11.7 |
| Peconic Portables | Center Moriches | 1 | Septic and portable sanitation | (631) 786-1911 | 11.8 |
| The Right Touch LLC | Center Moriches | 10 | — | (631) 909-8865 | 11.8 |
| Mattituck Environmental Services LLC | Cutchogue | 8 | Garbage Collection | (631) 298-8888 | 12.5 |
| North Fork Sanitation Inc | Cutchogue | 10 | Garbage Collection | (631) 734-7221 | 12.5 |
| Oregon Rd Recycling Inc | Cutchogue | 1 | Recycling | (631) 734-7248 | 12.5 |
| Advanced Wastewater Solutions LLC | Eastport | 8 | — | (631) 259-3353 | 14.0 |
| McBurnie Carting | Peconic | 2 | Recycling Centers | (631) 734-2225 | 14.3 |
| Morris Cesspool Sewer & Drain Services Inc | Peconic | 2 | Sewer Contractors | (631) 765-3300 | 14.3 |
| Sunrise Portable Toilets Inc | Mastic | 1 | Portable Toilets | (631) 653-4003 | 14.4 |
| Mastic Auto & Truck Recyclers | Mastic Beach | 2 | Recycling | (631) 281-4626 | 14.7 |
| TRS Recycling | Mastic Beach | 1 | Recycling | (631) 714-1929 | 14.7 |
| Definitive Design & Expediting Inc | Wading River | 1 | — | (631) 743-5643 | 14.9 |
| JMC Auto Truck & Roll Off Service Corp | Wading River | 2 | Roll-off dumpsters | (631) 875-8069 | 14.9 |
