| Business | Phone |
| C & C Computers 264 S Roberts St, Holbrook 11741 | (631) 580-7399 |
| C R Computer Repair & Sales 264 Clarice Blvd, Holbrook 11741 | (631) 988-7075 |
| Creative Computers 955 Main St, Holbrook 11741 | (631) 285-7575 |
| Future Tech Enterprise Inc 101 Colin Dr # 5, Holbrook 11741 | (631) 472-5500 |