| Business | Phone |
| Michael Algozzino Plbg & Htg 903 Riverhead Rd, Westhampton Bch 11978 | (631) 288-5353 |
| Excelsior East Plbg & Htg Inc 139 Riverhead Rd, Westhampton Bch 11978 | (631) 288-3456 |
| Excelsior Plumbing P & H 26 Riverhead Rd, Westhampton Bch 11978 | (631) 288-8383 |