| Business | Phone |
| Concord Steel Of Ohio Inc 1451 Buena Vista Ave Ne, Warren 44483 | (330) 372-2030 |
| Erie Concrete & Steel Co 490 N River Rd Nw, Warren 44483 | (330) 395-9588 |
| Kenilworth Steel Co 106 E Market St # 808, Warren 44481 | (330) 373-1885 |
| Kenilworth Steel Co 621 Dana St Ne, Warren 44483 | (330) 399-7030 |
| Liberty Steel Products 900 Dietz Rd Ne, Warren 44483 | (330) 372-6363 |
| Taylor Steel Inc 2260 Industrial Trce Sw, Warren 44481 | (330) 824-8600 |