| Business | Phone |
| Adaptive Engineering 55 Pond St, Waltham 2451 | (781) 894-7371 |
| Bergeron Machine 1474 Main St, Waltham 2451 | (781) 894-4107 |
| Fab-Braze Corp 90 Rumford Ave, Waltham 2453 | (781) 893-6777 |
| Boynton Machine Co Inc 101 Clematis Ave, Waltham 2453 | (781) 899-9900 |
| Fmi Precision Inc 196 Newton St, Waltham 2453 | (781) 893-7570 |
| C & A Machine 88 Maple St # 5, Waltham 2453 | (781) 893-0958 |
| Salco Corp 55 Pond St, Waltham 2451 | (781) 642-1620 |
| Central Machine 48 Jones Rd, Waltham 2451 | (781) 890-1739 |
| Central Machine Of Waltham 40 Jones Rd, Waltham 2451 | (781) 893-4220 |
| Clematis Machine & Fixture Co 42 Clematis Ave, Waltham 2453 | (781) 894-0777 |
| Comptronics Inc 39 Calvary St, Waltham 2453 | (781) 891-4120 |
| Concept Manufacturing Co 241 Crescent St, Waltham 2453 | (781) 894-1281 |
| Queen Screw & Mfg Inc 60 Farwell St, Waltham 2453 | (781) 894-8110 |
| Kevin E Devoe Waltham 2453 | (781) 864-3163 |