| Business | Phone |
| Comtek Systems 107 Lafayette St, Salem 1970 | (978) 744-9588 |
| Nexpress Usa 24 Forest Ave # 1, Salem 1970 | (978) 538-7333 |
| International Computer Prchsng 43 Bridge St, Salem 1970 | (978) 741-0050 |
| Lcn-Local Co Networks 201 Washington St # 2, Salem 1970 | (978) 825-1728 |