| Business | Phone |
| Andover Business Assoc 181 Canal St, Lawrence 1840 | (978) 686-6262 |
| Nxstage Medical Inc 439 S Union St # 5, Lawrence 1843 | (978) 687-4700 |
| Ge Medical Systems 439 S Union St, Lawrence 1843 | (978) 552-5200 |
| Merrimack Valley Medical Supl 5 Power St, Lawrence 1843 | (978) 794-3600 |