| Business | Phone |
| Ackerman & Baynes Inc 4211 Erdman Ave, Baltimore 21213 | (410) 342-2216 |
| B & W Fabricating Inc 1100 E Patapsco Ave, Baltimore 21225 | (410) 355-7781 |
| Maryland Steel Inc 320 E Towsontown Blvd # G2, Baltimore 21286 | (410) 321-1584 |
| Fabricators Steel 1700 S Haven St, Baltimore 21224 | (410) 342-3300 |
| Free State Steel 1700 S Haven St, Baltimore 21224 | (410) 675-7600 |
| George A Eckart Inc 2630 Hafer St, Baltimore 21223 | (410) 566-3400 |
| Holabird Metal Products 6300 Holabird Ave, Baltimore 21224 | (410) 633-6850 |
| Ironmasters Baltimore 21201 | (410) 663-4851 |
| Jvs Steel Inc 3121 Weaver Ave, Baltimore 21214 | (410) 444-2128 |
| Mt Alpha Corp 4501 Curtis Ave, Baltimore 21226 | (410) 354-3200 |
| Amtrol Inc 2440 Grays Rd, Baltimore 21222 | (410) 477-3200 |
| Sar Metal Products Co 110 S Regester St, Baltimore 21231 | (410) 342-4477 |
| Steel & Carbide Knife Svc 2701 Wilmarco Ave, Baltimore 21223 | (410) 362-7218 |
| Steel Specialties 1955 Benhill Ave, Baltimore 21226 | (410) 355-6770 |
| Victory Steel Co Inc 1000 Kembo Rd, Baltimore 21226 | (410) 439-0061 |
| E-A Enterprises Baltimore 21236 | (410) 665-9979 |
| Industrial Fabricators Inc 8100 Stansbury Rd # A1, Baltimore 21222 | (410) 285-8900 |
| J C Pardo & Sons Inc 1250 Reames Rd, Baltimore 21220 | (410) 391-3600 |