| Business | Phone |
| Communications & Power Ind Inc 150 Sohier Rd, Beverly 1915 | (978) 922-6000 |
| Delta Electronics Mfg Corp 416 Cabot St, Beverly 1915 | (978) 927-1060 |
| Marconi Radio & Electronics 497 Rantoul St, Beverly 1915 | (978) 927-0646 |
| Kaiser Systems Inc 126 Sohier Rd, Beverly 1915 | (978) 922-9300 |