| Business | Phone |
| Usa Datanet Corp 33 Green St, Newburyport 1950 | (978) 463-5999 |
| Portside Technologies Inc 6 Lavalley Ln, Newburyport 1950 | (978) 462-3356 |
| Project Dog 18 Graf Rd, Newburyport 1950 | (978) 499-9014 |
| I Marc 14 Inn St, Newburyport 1950 | (978) 462-8848 |
| Localnet Newburyport 1950 | (978) 462-0692 |