| Business | Phone |
| Nova Industrial Cerimac Inc 95 Prescott St, Worcester 1605 | (508) 755-4023 |
| International Ceramic Engrng 235 Brooks St, Worcester 1606 | (508) 853-4700 |
| Saint-Gobain Ceramics & Plstcs 1 New Bond St, Worcester 1606 | (508) 795-5000 |
| Chand Associates Inc 2 Coppage Dr, Worcester 1603 | (508) 791-9549 |