| Business | Phone |
| Advantage Mold Inc 576 Mammoth Rd # 23a, Londonderry 3053 | (603) 647-6678 |
| Granite State Plastics 15 Tinker Ave, Londonderry 3053 | (603) 669-6715 |
| Qualitex Inc 49 Harvey Rd, Londonderry 3053 | (603) 437-4874 |
| Quality Molds & Design Inc 1a Rockingham Rd, Londonderry 3053 | (603) 537-1500 |