| Business | Phone |
| Able Software Corp 655 Boston Rd # 1a, Billerica 1821 | (978) 667-2400 |
| Transtar Software Inc 309 Concord Rd, Billerica 1821 | (978) 294-3397 |
| Teloquent Communications Corp 4 Federal St, Billerica 1821 | (978) 671-5211 |
| Axsun Technologies 1 Fortune Dr, Billerica 1821 | (978) 262-0049 |
| Spry Technology Inc 630 Boston Rd, Billerica 1821 | (781) 272-1803 |
| Fusion Technology Group Inc 505 Middlesex Tpke # 6, Billerica 1821 | (978) 262-9067 |
| Computational Mechanics Ltd 25 Bridge St # 8, Billerica 1821 | (978) 667-5841 |
| Peroni Business Systems 388 Concord Rd, Billerica 1821 | (978) 667-7200 |
| Decision One 8 Cook St, Billerica 1821 | (978) 663-2359 |
| E Numera Inc 41 Andover Rd, Billerica 1821 | (617) 797-7679 |
| Integris Inc 296 Concord Rd # 180, Billerica 1821 | (978) 313-3979 |
| Irp 5 Alexander Rd, Billerica 1821 | (978) 667-4333 |