| Business | Phone |
| Accurate Machining Co 56 Newbury Port Tpke, Ipswich 1938 | (978) 356-0878 |
| Arts Ipswich 134 Town Farm Rd, Ipswich 1938 | (978) 356-5335 |
| Topsfield Tool & Engineering 9 Old Right Rd, Ipswich 1938 | (978) 356-1348 |
| B & M Machine Co Inc 46 Mitchell Rd, Ipswich 1938 | (978) 356-2564 |
| Target Machine 36 Mitchell Rd # C, Ipswich 1938 | (978) 356-7373 |
| C & C Fabricating 24 Hayward St, Ipswich 1938 | (978) 356-9980 |
| Castle Machine Co 59 Old Right Rd, Ipswich 1938 | (978) 356-2151 |
| Center Manufacturing Corp 17 Hayward St, Ipswich 1938 | (978) 356-8420 |
| D & D Mfg 49 Mitchell Rd, Ipswich 1938 | (978) 356-9188 |
| Georgetown Machine Co 38 Mitchell Rd, Ipswich 1938 | (978) 356-4470 |
| Little Enterprises 31 Locust St, Ipswich 1938 | (978) 356-7422 |
| Jay's Machine Co 24 Hayward St, Ipswich 1938 | (978) 356-0848 |
| Kodiak Machine Co Inc 20 Hayward St, Ipswich 1938 | (978) 356-9876 |
| K C Precision Machining Co 23 Old Right Rd, Ipswich 1938 | (978) 356-8900 |