Top 8 Welding Companies in Maryland 2026
Last updated
FirmsLedger lists 8 welding companies headquartered in Maryland. The largest cluster is in Ellicott City (2), and the other 6 are in 6 more cities. Ellicott City listings include Eddy's Welding and FM Welding Fabrication.
By specialty, Maryland has sheet metal fabrication (9), aluminum fabrication (3), powder coating (3) and structural steel (2) listings.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| BA Steel LLC | Baltimore | Metal supply and custom fabrication | (410) 837-2477 | basteelllc.com |
| Capitol Iron Works | Gaithersburg | Custom ornamental metalwork | (240) 658-8844 | capitolironworksdc.com |
| Eddy's Welding Inc | Ellicott City | Structural steel fabrication | (410) 480-9938 | eddyswelding.com |
| M&M Welding and Fabricators, Inc. | Mt Airy | Boiler and burner installation and repair | (301) 948-9330 | mandmwelding.com |
| Simplex Fabrication Welding and CNC Plasma Cutting | Woodbine | TIG welding | (240) 367-5512 | simplexfabrication.com |
| FM Welding Fabrication LLC | Ellicott City | Mobile welding services | (443) 864-9141 | fmweldingfabrication.com |
| Maryland Metal Works | Havre De Grace | Welding | (443) 722-9697 | marylandmetalworks.com |
| Santos Iron Works LLC - Metal Fabricator | Rockville | — | (240) 883-1064 | santosironworksllc.com |

Simplex Fabrication Welding and CNC Plasma Cutting
Woodbine, Maryland
Simplex Fabrication operates from Woodbine, Maryland, where owner Seth Neilson began the business roughly a decade ago. Neilson purchased an inexpensive TIG welder online and taught himself to weld on a personal vehicle in his garage, turning a hobby into a full-time fabrication shop.
Maryland Metal Works
Havre De Grace, Maryland
Maryland Metal Works operates a fully equipped welding shop in Havre De Grace, Maryland, where it has established a reputation for welding and custom fabrication across all metal types. The business offers both on-site and off-site services, allowing flexibility for projects that range from shop-built assemblies to field installations.



