| Business | Phone |
| Arrow Metal Fabricators Inc 1446 Stevenson St, Baltimore 21230 | (410) 837-2477 |
| Dovco Industrial Fabricators 1700 Ridgely St, Baltimore 21230 | (410) 625-6000 |
| Kaestner Co 5401 Pulaski Hwy, Baltimore 21205 | (410) 483-2600 |
| Kelco Llc 4015 E Baltimore St, Baltimore 21224 | (410) 732-0400 |
| Dietrich Industries Inc 8911 Bethlehem Blvd, Baltimore 21219 | (410) 477-8705 |
| Winkler Welding Co Inc 1755 Stengel Ave, Baltimore 21222 | (410) 285-3265 |