| Business | Phone |
| Duplex Systems Corp 250 E Hartsdale Ave, Hartsdale 10530 | (914) 722-7690 |
| Know Visions Hartsdale 10530 | (914) 328-0877 |
| Planting Ideas 170 E Hartsdale Ave, Hartsdale 10530 | (914) 725-6399 |
| Sysglobe Inc 10 Woods End Ln, Hartsdale 10530 | (914) 686-2963 |