| Business | Phone |
| Harbison Walker Refractories 4620 Hinckley Indust Pkwy # C, Cleveland 44109 | (216) 398-1790 |
| Inland Fire Brick 15411 Chatfield Ave, Cleveland 44111 | (216) 941-1788 |
| L P Taylor Refractory 26920 Eastwood Ln, Cleveland 44138 | (440) 235-2327 |
| Nock & Son Co 27320 W Oviatt Rd, Cleveland 44140 | (440) 871-5525 |
| Mc Cuen & Assoc 37220 Windy Hill Ln, Cleveland 44139 | (440) 349-1113 |