| Business | Phone |
| Touch Inc 27 Spring St, Waltham 2451 | (781) 894-8133 |
| Mopa Manufacturing Inc 55r Pond St # B3, Waltham 2451 | (781) 861-7257 |
| Burt Harrison & Co 19 Water St, Waltham 2453 | (781) 647-0674 |
| Kawecki Berylco Industries Inc 235 Bear Hill Rd, Waltham 2451 | (781) 890-8270 |