| Business | Phone |
| A J General Contractor 377 Split Rock Rd, Syosset 11791 | (516) 922-1117 |
| All Trades 241 Jerome St, Syosset 11791 | (516) 938-5702 |
| Brown Building Industries Co 192 Cold Spring Rd, Syosset 11791 | (516) 364-2909 |
| Commercial Contractors Corp 40 Underhill Blvd # Lb, Syosset 11791 | (516) 364-1019 |
| D F Aitken & Sons Inc 5 Whetmore Dr, Syosset 11791 | (516) 921-1510 |
| Drew Robert Assoc Inc 8 Jackson Ave, Syosset 11791 | (516) 364-5573 |
| E & A Construction 40 Willis Ave, Syosset 11791 | (516) 921-7030 |
| Pari Construction 19 Clearland Rd, Syosset 11791 | (516) 938-3621 |
| Pervale Construction Corp 1 Dorcas Ave, Syosset 11791 | (516) 364-5126 |
| G Romano & Son General Contr 15 Dorcas Ave, Syosset 11791 | (516) 682-0526 |
| Harbor Construction Corp 29 Willis Ave, Syosset 11791 | (516) 921-1147 |
| Hera Construction Corp 66 Calvin Ave, Syosset 11791 | (516) 364-2571 |
| James Neet Construction Corp 23 Clearland Rd, Syosset 11791 | (516) 937-7575 |
| Khoury Construction 59 Jackson Ave, Syosset 11791 | (516) 364-2419 |
| Krieg Custom Builders 39 Greenway Cir, Syosset 11791 | (516) 496-8644 |
| Kruger Construction Inc Po Box 733, Syosset 11791 | (516) 364-2115 |
| La Belle Construction Corp Syosset 11791 | (516) 921-6395 |
| Lakhi General Contractors Inc 1 Stoneridge Ct, Syosset 11791 | (516) 364-9281 |
| Linden Construction Corp 40 Underhill Blvd # 2c, Syosset 11791 | (516) 921-2050 |
| Shaw Contracting Inc 312 Jackson Ave, Syosset 11791 | (516) 364-6999 |
| Spea Contracting Inc 7 Meadowbrook Rd, Syosset 11791 | (516) 921-6495 |
| New Phase Contractors 23 Warren Dr, Syosset 11791 | (516) 364-6408 |