Metal Fabrication

Top 2 Structural Steel Manufacturers in Maryland 2026

Last updated October 15, 2026

2listings

FirmsLedger lists 2 structural steel manufacturers headquartered in Maryland. They are spread across 2 cities: Ellicott City and Gaithersburg.

By specialty, Maryland has sheet metal fabrication (9), welding (8), aluminum fabrication (3) and powder coating (3) listings.

Compare all 2 in a table

Compare 2 structural steel manufacturers in Maryland
Company	City	Specialty	Phone	Website
Capitol Iron Works	Gaithersburg	Custom ornamental metalwork	(240) 658-8844	capitolironworksdc.com
FM Welding Fabrication LLC	Ellicott City	Mobile welding services	(443) 864-9141	fmweldingfabrication.com

Gaithersburg, Maryland14 employees

Capitol Iron Works operates from Gaithersburg, Maryland, in the heart of the Washington, D.C. metropolitan area.

Ellicott City, Maryland

FM Welding Fabrication LLC operates from Ellicott City, Maryland. The company does not publicly disclose its founding year or ownership structure.