Pennsylvania
Custom Fabrication in Pennsylvania
Metal fabricators and welders working Pennsylvania. 36 shops and 2 mobile rigs listed, across 29 cities.
Welders by city in Pennsylvania
- Ambridge (1)
- Beach Lake (1)
- Bellevue (1)
- Bethel Park (4)
- Braddock (3)
- Carlisle (1)
- Carnegie (5)
- Columbia (1)
- Fairview (1)
- Homestead (1)
- Honey Brook (1)
- Irwin (2)
- Lancaster (2)
- McKees Rocks (4)
- McKeesport (1)
- Millvale (1)
- Muncy (1)
- New Castle (1)
- North Versailles Township (1)
- Oxford (1)
- Pittsburgh (21)
- Quakertown (1)
- Verona (2)
- Wall (1)
- West Chester (5)
- Wilmerding (1)
- Windber (1)
- York (3)
- York Haven (1)
Welding services in Pennsylvania
Showing custom fabrication only. Clear filter → or see the Custom Fabrication guide →
Providers

Allegheny Fence Construction Co., Inc
Pittsburgh, PA
Allegheny Fence Construction Company of Pittsburgh provides fencing for the commercial, industrial and residential community in a variety of fence types including chain link, ornamental aluminum, oranmental iron, PVC, wood, and temporary fencing. Learn more.
aluminum(412) 421-6005→
Baillie Fabricating & Welding Inc
West Chester, PA
Sheet metal fabrication, welding, and CNC machining in steel, aluminum, and stainless steel. Specializes in food and pharmaceutical processing and packaging machinery, from one-off parts to finished assemblies, with in-house laser cutting and design consulting. Handles equipment repair and short-run production welding.
custom-fabsteel(610) 701-5808→- BFIshopListing
Benacquisto Fabricating Inc
Bellevue, PA
Custom sheet metal fabrication specializing in HVAC ductwork, architectural elements, and specialty items. Produces plenums, reducers, elbows, takeoffs, crosses, cornices, cupolas, vents, dormers, and stove hoods, as well as one-off custom designs in stainless steel and copper.
custom-fabsteel(412) 766-7833→ - BALshopListing
Brock Associates LLC
Pittsburgh, PA
Manufacturer and distributor of exterior metal cladding systems for commercial and industrial applications, including insulated and uninsulated metal roofing and siding, aluminum composite panels, curved and tapered roof panels, continuous gutter systems, column covers, framing systems, coping and gravel stop systems, and snow retention systems. Works in galvanized steel, painted steel and aluminum, copper, stainless steel, and terne coated stainless steel. All systems meet UL, FM and ASTM requirements.
custom-fabsteel(412) 919-0690→ - CCCshopListing
CAFF Company (Custom Aluminum Frame Fabrication)
Pittsburgh, PA
Custom aluminum window frame fabrication and architectural metal products for religious, institutional, commercial, and industrial construction. CAFF Company designs and manufactures custom aluminum window frames, ventilators, and related architectural metal products, with facility and tooling to support complex projects.
aluminumsteel(412) 787-1761→ - CPLshopListing
Conturo Prototyping, LLC
Pittsburgh, PA
Multi-axis CNC milling and turning for prototypes and production parts, serving aerospace, robotics, autonomous vehicles, and energy sectors. Operates automated machining cells with multi-pallet workflows for unattended operation and handles complex geometries with micron-level tolerances. Works in aluminum, steel, titanium, stainless steel, inconel, hastelloy, and various plastics and exotic materials.
cnccustom-fabsteel(855) 501-3888→ 
Curvco Steel Buildings Corp
Bethel Park, PA
Curvco manufactures prefabricated steel building kits in the United States, ranging from 10 to 140 feet wide and customizable in length. Buildings are made from heavy-gauge U.S. steel (14–22 gauge) with Galvalume coating and serve commercial, industrial, agricultural, and residential applications including warehouses, workshops, storage, and light manufacturing. The company ships kits directly from the factory and backs all buildings with a 50-year rust perforation warranty.
steel(800) 748-7188→- DFIshopListing
Davidson Fabricating Inc
West Chester, PA
Sheet metal fabrication for industrial and commercial applications, including waterjet cutting, plasma cutting, forming, bending, CNC machining, certified TIG-MIG welding, and painting. Works in aluminum, steel, stainless steel, and copper, producing parts from prototypes to high-volume production for aerospace, defense, automotive, and medical industries. Holds AS9100D and ISO9001:2015 certifications and NADCAP accreditation for welding.
custom-fabsteel(610) 544-9750→ - DMIshopListing
Downing Machines Inc
Homestead, PA
Downing Machines Inc runs a machining and fab shop in Homestead, PA. They serve manufacturers needing custom machined parts and steel assemblies.
custom-fabsteel(412) 461-0580→ - EPIshopListing
Engineered Products Inc
Verona, PA
Structural steel and ornamental metals fabrication and erection for commercial and industrial construction. Works in carbon steel, stainless, and aluminum, fabricating beams, columns, platforms, stairs, pipe racks, and railings. Operates 150,000 square feet of facilities across Pennsylvania and Ohio with 75 fitters and welders, a 25-ton overhead crane, and AWS and AISC certified shops.
steel(412) 423-4000→ - EAIshopListing
Environmental Air Inc
Pittsburgh, PA
Sheet metal fabrication, custom ductwork and fittings, welding, and HVAC installation for commercial construction. Provides field installation services including logistics, material handling, and crane coordination. Employs union craftsmen with apprenticeship training.
custom-fabsteel(412) 922-8988→ - EAPshopListing
Everlast Aluminum Products
Pittsburgh, PA
Everlast Aluminum Products handles aluminum fabrication out of Pittsburgh, PA. The shop builds aluminum railings, fencing, and custom assemblies for homes and businesses.
aluminum(412) 341-4500→ - FSCshopListing
Forrest Steel Corporation
Pittsburgh, PA
Structural steel and miscellaneous metals fabrication, including beams, stanchion posts, lintels, railings, stairs, and steel decking. Stocks various structural steel shapes and supplies material for commercial and residential builders throughout the tri-state area. Operates on one shift and specializes in smaller-scale fabrication projects.
steel(412) 884-5533→ 
Galv Tech
Pittsburgh, PA
At Galv Tech, quality isn't just a buzzword; it's the bedrock of everything we do. As a Pittsburgh-based steel fabricator, we understand that our clients demand exceptional quality and enduring performance from every project.
steel(412) 368-4800→- GIObothListing
GDS Inc. | Orbital Welding | Precision Welding | Fabrication | Mobile Site Installations
West Chester, PA
High purity orbital welding, OEM welding, and fabrication for pharmaceutical, semiconductor, medical, aerospace, vacuum, and instrumentation industries. Provides field installation services for water systems, bio-pharmaceutical distribution loops, storage tank tie-ins, and specialty gas and fluid delivery systems. Offers general fabrication, custom spools, engineering product development, and skidded systems with on-site installations by ASME certified technicians.
custom-fabon-sitesteel(610) 738-7893→ - GFWshopListing
Giunta Fabrication
West Chester, PA
Custom metal fabrication and welding for commercial construction, industrial, residential, and specialty projects including breweries and restaurants. Capabilities include structural steel, sheet metal fabrication, press brake forming, CNC plasma cutting, and machining, with welding in TIG, MIG, and stick processes on steel, aluminum, stainless steel, copper, brass, and exotic alloys. Serves clients across construction, industrial, transportation, and HVAC industries.
custom-fabsteel(484) 880-6146→ 
Iron City Welding & Fabrication LLC
Pittsburgh, PA
Metal fabrication and welding for residential, commercial, and industrial projects in steel, aluminum, and iron. Services include custom railings, staircases, fencing, gates, fire escapes, decks, ramps, vehicle frame repair, and metal restoration with powder coating. Specializes in MIG, TIG, and stick welding with over 20 years of experience.
aluminumsteel(412) 838-3271→- ISBshopListing
Ironbuilt Steel Buildings Corporation
Bethel Park, PA
Pre-engineered metal building systems for industrial, commercial, agricultural, and residential applications. Designs include industrial buildings with cranes, mezzanines, and multi-hip roof transitions, as well as garages, warehouses, arenas, and barns, with spans over 200 feet without interior posts. Manufactures and ships from five US plants with engineer-stamped drawings, a 40-year paint warranty, and two-week delivery for some orders.
steel(800) 805-0084→ - JWSshopListing
Jackson Welding Supply Co., Inc.
Pittsburgh, PA
Distributor of welding supplies, equipment, and gases including argon and CO2. Offers tank sales and rentals with delivery service available. Serves hobbyists and professionals across the Pittsburgh area.
custom-fabsteel(412) 391-4500→ - KMIshopListing
Keystone Metals, Inc.
Pittsburgh, PA
Structural steel fabrication and miscellaneous metal work, including stairs, railings, platforms, and custom metalwork in steel, aluminum, and stainless steel. Serves building construction and renovation projects across the Tri-State region, with work visible on college campuses, hospitals, and commercial buildings.
custom-fabsteel(412) 661-7566→ - KMWshopListing
KGC Metals
Wilmerding, PA
Fabrication and erection of handrailing, guard rails, stairs, caged ladders, and miscellaneous metal products in steel, aluminum, and wrought iron. Works as a subcontractor on new construction and rehabilitation projects, and repairs heavy equipment. Serves residential, commercial, and industrial properties.
steel(724) 775-9333→ 
Lane Steel Co
McKees Rocks, PA
Flat rolled steel service center specializing in galvanized, galvalume, aluminized, cold rolled, and hot rolled steel. Operates three slitting lines, leveling and blanking equipment, and shearing to process master coils, slit coils, sheets, and precision cut blanks in thicknesses from 30 gauge to .500 inch. Maintains large inventory with pre-cut stock for fast delivery and operates its own truck fleet for local delivery.
steel(412) 777-1700→- LOIshopListing
Lux Ornamental Iron Works Inc
Pittsburgh, PA
Custom ornamental iron design, fabrication, finishing, and installation for residential and commercial projects. All work is handcrafted and made to order in Pittsburgh.
custom-fabsteel(412) 481-5677→ - MRIshopListing
Machinery Rigging Inc
Braddock, PA
Steel fabrication and structural steel erection, including platform fabrication and custom builds. Machinery relocation, millwright services, heavy haul trucking, industrial equipment storage with over 75,000 square feet and overhead cranes capable of 40-ton loads, and crane erection. Serves Pittsburgh and the Tri-State area with same-day quotes and services available; OSHA certified.
steel(412) 206-5873→ - MMAshopListing
Martys Muffler And Welding Shop
North Versailles Township, PA
Martys Muffler And Welding Shop runs a muffler and welding shop in North Versailles Township, PA. They handle custom exhaust fabrication and repair welding for cars and trucks.
custom-fabsteel(412) 673-4141→ McGonigle Fabrication LLC
West Chester, PA
Custom fabrication and structural welding for commercial and residential projects, including handrails, stairs, and custom metal work. Offers on-site welding and repair and maintenance services.
custom-fabsteel(484) 645-5883→- NCSshopListing
Nadine Corporation - Steel Fabricators of Pittsburgh
Verona, PA
Custom plate fabrication and welding in carbon steel, stainless steel, and nickel alloy. Services include shearing, plasma and flame cutting, press brake forming, plate rolling, sawing, drilling, beveling, and welding by multiple processes (MIG, TIG, flux core, stick, submerged arc). All welders hold ASME Section IX certification.
steel(412) 795-5100→ - POIshopListing
Pittsburgh Ornamental Iron Works
Carnegie, PA
Fabricates and installs iron railings for residential and commercial applications, offering powder coated, galvanized, cable, and radius styles. Has operated for over 20 years and handles projects of all sizes with hand fabrication and on-site installation.
custom-fabsteel(412) 855-2821→ - SGSshopListing
Safety Guard Steel Fabricating Shop
Millvale, PA
Structural steel fabrication with AISC certification, working in steel, aluminum, and stainless. Offers press brake and shear capability, sandblasting, and 20-ton lifting capacity. Serves bridge and highway construction, power plants, steel mills, and manufacturing facilities across the Tri-State area.
steel(412) 821-3533→ - SMCshopListing
Scott Metals
Carnegie, PA
Custom metal fabrication, machining, and assembly from a 10,000-square-foot facility in Carnegie, PA. Handles small-scale to large-scale jobs across a variety of industries, and offers finishing services.
custom-fabsteel(412) 279-7021→ Shamrock Signs
Carnegie, PA
Shamrock Sign's staff has over 150 years of combined experience in the Pittsburgh, PA sign industry. Find out why we're the sign company Pittsburgh trusts!
custom-fabsteel(412) 279-2800→
Son Of Odin Iron Works
Bethel Park, PA
Custom ornamental wrought iron fabrication and installation, including gates, railings, banisters, signs, and decorative ironwork. Artists hand-fabricate, weld, and install each piece individually, with work ranging from naturalistic branch designs to modern styles. Serves residential and commercial clients.
custom-fabsteel(724) 998-8888→South Hills Cycle
Pittsburgh, PA
Local shop for all your motorcycle needs(unless we don't have it or we're out fishing).
custom-fabsteel(412) 653-5819→- SCIshopListing
Speciality Construction Inc
McKees Rocks, PA
Custom sheet metal fabrication for residential and commercial applications. Products include standing seam metal roofing, seamless gutters in 5", 6", and 7" sizes, wall and roof flashing, exterior wall panels, deck ceiling and drainage systems, parapet wall caps, chimney caps, soffit and fascia, and rooftop access structures. Serves builders, contractors, HOAs, building managers, and homeowners.
custom-fabsteel(412) 821-7663→ 
Steel Dynamics Incorporated
Pittsburgh, PA
Hot dipped galvanized steel sheet production through three facilities near Pittsburgh: GalvTech, MetalTech, and NexTech. Operates with one million tons of annual capacity, covering heavy, medium, and thin gauge galvanized steel sheet. Also processes hot-rolled and cold-rolled steel from Steel Dynamics' Flat Roll Division and outside suppliers.
steel(412) 368-4800→- SFCshopListing
Steel Factory Corporation
McKees Rocks, PA
American Steel Span manufactures pre-engineered, easy to assemble, arch-style steel buildings that are 100% made in the USA and backed with a 40-year limited rust-through perforation warranty.
steel(412) 771-2944→
Hiring a welder in Pennsylvania
How do I find a mobile welder in Pennsylvania?
Filter the providers below by "Mobile" or "Both" to see who travels. Mobile rigs in Pennsylvania cover service radiuses from 30 to 200 miles depending on the operator — radius is listed on each profile.
What's the difference between a shop and a mobile rig?
A shop is a fixed location with fab tables, lifts, and (usually) a crane. Better for structural work, larger fabs, or jobs that need controlled conditions. A mobile rig is a truck-mounted welder-generator combo that comes to your site — better for emergency repairs, ranch and farm work, and anything bolted down.
Do providers in Pennsylvania carry insurance?
Each provider sets their own. Look for the "Verified" badge — it means we've checked documentation. Always confirm current insurance directly with the provider before work begins.
What materials should I expect?
Most Pennsylvania shops handle steel and aluminum at minimum. Stainless, cast iron, and pipe are specialty — filter by material if you need them.
New welders across Pennsylvania?
Shops and mobile rigs join Pennsylvania as the directory grows. Leave your email and we'll tell you when a new welder that fits your job lists — no middleman, no fee.