National welding directory · 938 programs, 50 states · 1,178 own-site-verified shops nationwide · updated Aug 2026938 programs · 1,178 shops · 50 states About
Industrial Welders
Two sailors weld together aboard USS Abraham Lincoln (CVN 72)
Local directory

Welding shops in Gaithersburg, MD

5 own-site-verified welding shops in the Gaithersburg, MD metro, plus 7 additional listings from public sources.

U.S. Navy photo by Seaman Nathaly Cruz, DVIDS 240527-N-IJ966-1067, public domain

Capitol Iron Works

Gaithersburg, MD 20879

(240) 658-8844

Mobile rig structural aluminum custom-fab mobile

Craft Innovation Welding, LLC

Damascus, MD 20872

(240) 714-0954

custom-fab

De Perini Metal Fabricators, Inc.

Gaithersburg, MD 20879

(301) 948-6445

aluminum custom-fab

IRON DC

Gaithersburg, MD

Phone not published

custom-fab

Stone Hill Railings, LLC

Germantown, MD

(240) 674-8019

aluminum stainless custom-fab
Additional listings

More welding shops in Gaithersburg, MD

These come from public sources and have not been independently checked against the business's own website — no phone or website shown for that reason.

Andy's Welding
Gaithersburg, MD
Custom Sheet Metal
Gaithersburg, MD 20879
Germantown Iron & Steel
Germantown, MD

structural, custom-fab

G & H Welding & Fab Inc
Gaithersburg, MD 20879
Tim's Welding Service
Gaithersburg, MD
Urbana Ironworks
Gaithersburg, MD
Welding Plus
Gaithersburg, MD 20879

More about welding shops in Gaithersburg, MD

Gaithersburg lists 12 shops total, 5 own-site-verified and 7 still candidate-only. Custom fabrication leads the service mix, with aluminum, structural, mobile, and stainless work each showing up at low single-digit counts.

Just 1 shop runs a mobile rig here. Maryland trains welders through only 3 programs statewide, listed on the Maryland programs page; most Gaithersburg shops are likely hiring welders who trained out of state.

Search shops by zip code to widen the search into neighboring Montgomery County.

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