| Business | Phone |
| All-City Plumbing & Mechanical 130 Lambert Ave, Copiague 11726 | (631) 225-6100 |
| Allied/First-Call Plumbing 130 Lambert Ave, Copiague 11726 | (631) 957-5023 |
| Asap Svc Inc 40 Gateway Dr, Copiague 11726 | (631) 842-7980 |
| Gallagher Plumbing 40 Gateway Dr, Copiague 11726 | (631) 422-2244 |
| In Line Plumbing 412 Greenlawn Ter, Copiague 11726 | (631) 957-0598 |
| Schoenwaelder Plumbing 305 Montauk Hwy, Copiague 11726 | (631) 842-7450 |
| T G Plumbing & Heating Corp 10 Lincoln Ct, Copiague 11726 | (631) 789-1202 |
| Top Of The Line Plumbing/Heat 15 Grant St, Copiague 11726 | (631) 789-2777 |
| Vincent's Plumbing & Heating 17 Seaway Dr, Copiague 11726 | (516) 967-3717 |