| Business | Phone |
| Z Tech Assoc Inc 1740 Massachusetts Ave, Boxborough 1719 | (978) 264-9664 |
| Viridien Technologies 85 Swanson Rd, Boxborough 1719 | (978) 929-9526 |
| Almyra Inc 1740 Massachusetts Ave, Boxborough 1719 | (978) 264-2004 |
| Tuv Rheinland 1300 Mass Ave, Boxborough 1719 | (978) 266-9500 |
| Asset Intertech 1740 Massachusetts Ave, Boxborough 1719 | (978) 264-9900 |
| Synqor Inc 155 Swanson Rd, Boxborough 1719 | (978) 849-0600 |
| Blacnhard Extended Day 493 Massachusetts Ave, Boxborough 1719 | (978) 263-3031 |
| Neccsd 80 Central St, Boxborough 1719 | (978) 635-6000 |
| Ers Intl 330 Codman Hill Rd, Boxborough 1719 | (978) 264-2800 |
| Canfite 1740 Massachusetts Ave, Boxborough 1719 | (978) 266-8922 |
| Groton Technology Inc 85 Swanson Rd # 110, Boxborough 1719 | (978) 266-9222 |
| Coherent Networks Intl3 1740 Massachusetts Ave, Boxborough 1719 | (978) 266-9933 |
| Connect Us 1740 Massachusetts Ave, Boxborough 1719 | (978) 266-1932 |
| Data Connection 1740 Massachusetts Ave, Boxborough 1719 | (978) 635-0004 |
| Elision Usa Inc 155 Stow Rd, Boxborough 1719 | (978) 264-9800 |
| Higgins & Welch 107 Burroughs Rd, Boxborough 1719 | (978) 264-0533 |