Top 32 Metal Fabrication Companies in Maryland 2026
Last updated
FirmsLedger lists 32 metal fabrication & machining companies headquartered in Maryland. That ranks 3rd among the 50 states with listings, behind Iowa (37) and Texas (36). The largest clusters are in Baltimore (3), Gaithersburg (3), Hyattsville (3) and Beltsville (2), and the other 21 are in 18 more cities. Baltimore listings include BA Steel, Sessa Sheet Metal Contractors and Phoenix Metals.
By specialty, Maryland has sheet metal fabrication (9), welding (8), aluminum fabrication (3), powder coating (3) and structural steel (2) listings. Capabilities that more than one of them list include custom fabrication (4).
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| BA Steel LLC | Baltimore | Metal supply and custom fabrication | (410) 837-2477 | basteelllc.com |
| De Perini Metal Fabricators | Gaithersburg | Prototyping | (301) 948-6445 | deperini.com |
| Diaz Sheet Metal, LLC | Hyattsville | Custom spiral duct fabrication | (240) 696-7633 | diazsheetmetal.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 |
| Iron Work Studio | Owings | Metal fabrication | (410) 257-9701 | ironworkstudio.com |
| KG Sheet Metal Services, LLC | Upper Marlboro | Custom fabrication | (301) 390-2405 | kgsheetmetal.com |
| Kaempf & Harris Sheet Metal | Frederick | Sheet metal fabrication | (301) 663-6670 | kaempfandharris.com |
| Netzer Metalworks, LLC | Essex | CNC machining (2-axis, 3-axis, 4-axis milling and turning) | (410) 467-9762 | netzermetal.com |
| Precision Architectural Metals | Capitol Heights | Sheet metal brake forming | (301) 277-1727 | pammetals.com |
All Metal Fabrication in Maryland
De Perini Metal Fabricators
Gaithersburg, Maryland
De Perini Metal Fabricators operates a 25,600-square-foot plant in the Montgomery County Airpark at Gaithersburg, Maryland, with convenient access to Interstates 270, 495, 95 and 695. The woman-owned Maryland corporation was established in 1960 and is managed by a professional staff that oversees both prototyping and full-scale production.
Diaz Sheet Metal, LLC
Hyattsville, Maryland
Diaz Sheet Metal, LLC was established in 2005 in Hyattsville, Maryland. The company operates as a licensed and insured mechanical contractor specializing in sheet metal fabrication, HVAC systems, and plumbing services for commercial and residential clients across the state.
Iron Work Studio
Owings, Maryland4 employees
Iron Work Studio operates from Owings, Maryland, where it has been based for over two decades. The company was founded in 1997 by Rob Link, a third‑generation welder who started with a 200‑square‑foot warehouse in nearby Severn before moving the shop closer to home.
KG Sheet Metal Services, LLC
Upper Marlboro, Maryland
KG Sheet Metal Services, LLC is a commercial sheet metal contractor based in Upper Marlboro, Maryland. Founded in 2002 by Kevin Grenier, who began his sheet metal career in 1985, the company grew from a basement shop into one of the Washington, D.C.
Netzer Metalworks, LLC
Essex, Maryland
Netzer Metalworks, LLC operates from Essex, Maryland. The shop provides CNC machining with 2-, 3-, and 4-axis milling and turning, sheet metal fabrication including punching, forming, rolling, and stretching, and welding services covering MIG, TIG, and spot welding.
- R & B Steel FabricationsRockville, Maryland
- Sessa Sheet Metal Contractors IncBaltimore, Maryland
- W.E.BOWERS SHEET METAL SHOPBeltsville, Maryland
- 1320 FabricationGlen Burnie, Maryland
- Adj Sheet Metal IncWhite Plains, Maryland
- Arundel Metal Products Corporation / Solutions Fabricating Inc.Glen Burnie, Maryland
- Rockville Steel & MFG COGaithersburg, Maryland
- S.A.R. METAL PRODUCTSRosedale, Maryland
- Simplex Fabrication Welding and CNC Plasma CuttingWoodbine, Maryland
- Stromberg Metal Works Inc.Beltsville, Maryland
- AC Metals LLC.Hyattsville, Maryland
- FM Welding Fabrication LLCEllicott City, Maryland
- Santos Iron Works LLC - Metal FabricatorRockville, Maryland
- Wits End FabricationHalethorpe, Maryland
- Action Fabricators & ErectorsHyattsville, Maryland
- Annapolis Metal Fabrication and Repair LLCDavidsonville, Maryland
- Elite MetalworkingStevensville, Maryland
- Hagerstown Metal Fabrication, Inc.Hagerstown, Maryland
- Koppers Fabricators IncForestville, Maryland
- M&M Welding and Fabricators, Inc.Mt Airy, Maryland
- Maryland Metal WorksHavre De Grace, Maryland
- Phoenix MetalsBaltimore, Maryland
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Other industries in Maryland
- Electrical Equipment & Components in Maryland
- Mechanical Components in Maryland
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Frequently asked questions
Which metal fabrication & machining companies in Maryland list custom fabrication?
4 companies list it: Diaz Sheet Metal, KG Sheet Metal Services, R & B Steel Fabrications and 1320 Fabrication.