| Business | Phone |
| H V Computer Systems Design 30 Revolutionary Rd, Cortlandt Manor 10567 | (914) 739-4606 |
| Hilltop Multimedia Inc 31 Dickerson Rd, Cortlandt Manor 10567 | (914) 736-6088 |
| Venture Technologies 2 Rustling Ln, Cortlandt Manor 10567 | (914) 737-5713 |
| Town Technology 30 Parkway Dr, Cortlandt Manor 10567 | (914) 788-5268 |