| Business | Phone |
| Bradhurst Site Construction 140 Bradhurst Ave, Valhalla 10595 | (914) 592-8060 |
| Cappelli Development Co 115 E Stevens Ave, Valhalla 10595 | (914) 769-6500 |
| Construction Technology 400 Columbus Ave, Valhalla 10595 | (914) 747-8900 |
| Dolan Construction 67 Overlook Dr, Valhalla 10595 | (914) 683-8882 |
| Doria Construction Co 206 Jefferson Ave, Valhalla 10595 | (914) 948-0994 |
| Larsen Design Co Inc 201 Madison Ave, Valhalla 10595 | (914) 761-9495 |
| Sherwood Construction Co 8 Brook St, Valhalla 10595 | (914) 761-4346 |
| Turner Construction Co 1 Woods Rd, Valhalla 10595 | (914) 347-7036 |