| Business | Phone |
| B & M Office Installations 573 S Union St, Lawrence 1843 | (978) 682-9342 |
| Boston Furniture Contractors 60 Island St, Lawrence 1840 | (978) 683-3993 |
| Office Systems Installation 360 Merrimack St # 4, Lawrence 1843 | (978) 975-1380 |
| Panel Connection 15 Union St # 5, Lawrence 1840 | (978) 686-3720 |
| Multi Systems 425 Merrimack St, Lawrence 1843 | (978) 687-7176 |