| Business | Phone |
| Hamill's Computer's Systems 15 Harvard St, Closter 7624 | (201) 768-7138 |
| Best Tech Recruiting Systems 190 Alpine Dr, Closter 7624 | (201) 767-3062 |
| C & P Technologies Inc 294 Harrington Ave # 9, Closter 7624 | (201) 768-4448 |
| Engineered Solutions Corp 263 Herbert Ave, Closter 7624 | (201) 768-1942 |
| Simple Systems Inc 37 Dana Pl, Closter 7624 | (201) 767-6020 |
| Market Line Computers 317 Harrington Ave, Closter 7624 | (201) 768-8887 |