| Business | Phone |
| A Latini Real Estate 59 Picket Ln, Centereach 11720 | (631) 471-8255 |
| Ata Realty 2639 Middle Country Rd, Centereach 11720 | (631) 467-2229 |
| Centereach Management Group 47 S Coleman Rd, Centereach 11720 | (631) 736-0842 |
| National Homesellers Inc 65 Centereach Mall, Centereach 11720 | (631) 981-9500 |
| Hough Guidice Realty Assoc 1685 Middle Country Rd, Centereach 11720 | (631) 736-6800 |
| Ken Jac Holding Corp 1800 Middle Country Rd, Centereach 11720 | (631) 467-0394 |
| L B Equities Llc 2535 Middle Country Rd, Centereach 11720 | (631) 467-5888 |
| Lake Grove Equities Inc 2570 Middle Country Rd, Centereach 11720 | (631) 588-2225 |
| Sunset West Realty 17 Sunset Dr, Centereach 11720 | (631) 737-1724 |