Welders & Metal Fabricators in Pennsylvania

Mancini Mobile Welding, LLC

Irwin, PA

Mobile welding services available 24/7 throughout Western PA and the Tri-State area. Technicians hold certifications in TIG, MIG, and stick welding and work with aluminum, stainless steel, cast iron, and exotic metals. Services include structural steel fabrication, pipeline welding, equipment repair, and custom metal fabrication, with fully equipped mobile units that travel to customer job sites.

APX York Sheet Metal: Main

York, PA

Astley Precision | Precision manufacturing and machining in ...

Pittsburgh, PA

Precision machining and assembly for the medical, scientific, and research industries, performing 3-, 4-, and 5-axis milling and 2-, 3-, and 4-axis turning to 30 µin accuracy and 4 µin surface finishes. Operates a 53,000 square foot facility near Pittsburgh with twelve 5-axis machines, offers part assembly, Class 7 clean room cleaning, and CMM inspection. ISO 9001:2015 certified and ITAR registered.

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.

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.

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.

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.

Clinton Laser Fabrication

York, PA

Precision laser cutting and fabrication of parts and components in steel, aluminum, and plastic up to 1.25" steel or 0.5" aluminum. Also offers custom press brake forming, robotic MIG welding, machining, waterjet cutting, powder coating, and tube bending, with equipment including three 100-245 ton press brakes and three robotic welding stations.

CNC Machining in Pennsylvania

Fairview, PA

CNC machining in turning, milling, drilling, boring, and tapping, with in-house assembly, leak testing, and impregnation. Operates a 158,000-square-foot CNC machining facility and works with aluminum and zinc castings as well as sand cast aluminum, cast iron, and solid parts. Serves automotive, appliance, lighting, and communications industries.

Commercial Stainless, Inc.

Bloomsburg, PA

Custom fabrication of stainless steel food service counters, hybrid serving counters, and commercial millwork for institutional kitchens. Operates 50,000 square feet of in-house manufacturing space with CNC equipment and handles design, fabrication, and installation for healthcare, senior living, higher education, and corporate markets. Also produces stainless steel worktables, prep units, dish tables, and custom cabinetry.

CompuCraft

Montgomeryville, PA

Contract Manufacturing Services - JELKE'S Fabrication

Honey Brook, PA

Contract manufacturing and metal fabrication for OEM heavy-duty products, including laser cutting, welding, forming, CNC tube bending, machining, rolling, and finishing. Handles fabrication, assembly, testing, and drop-shipping at any volume, and offers on-staff design services. Operates locations in Lebanon and Honey Brook, Pennsylvania.

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.

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.

Custom Engineering Company

Erie, PA

Metal fabrication and welding shop serving aerospace, defense, power generation, and heavy industrial sectors. Offers certified welding, large-scale weldments, ASME pressure vessel fabrication, precision machining, and material processing in carbon steel, stainless steel, alloy steel, and aluminum. Operates three brake presses up to 700 tons, plasma and oxy-fuel cutting tables handling material up to 12 inches thick, three positioners up to 50,000 pounds, and a 160,000-pound crane across 200,000 square feet of manufacturing space.

D. L. Martin Co.

Mercersburg, PA

Precision machining, welding, and metal fabrication for defense, heavy transport, hydraulics, conveyor systems, construction, mining, energy, and HVAC industries. ITAR registered and DOD-compliant with JCP certification and WAWF active status. Produces machined components ranging from drivetrain parts and elevator assemblies to crane components and large-dimension mining equipment.

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.

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.

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.

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.

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.

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.

GDS Inc.

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.

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.

Goodhart Sons Inc.

Lancaster, PA

Steel fabrication and field installation across power generation, food and beverage, cement, aggregate, pollution control, and other heavy industries. Operates 175,000 square feet of production space with a 600-ton CNC press brake, 40-foot plasma table, beam drilling line, weld manipulators, and in-house inspection with three CWIs. Recently opened a dedicated stainless steel fabrication facility for food-grade and pharmaceutical work.

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.

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.

IronStrong Metal FabricationIronStrong Metal ...

Columbia, PA

JMW Fabrication

Quakertown, PA

Metal fabrication and welding in steel, aluminum, stainless steel, and cast iron, specializing in custom stairs, railings, and structural work. Offers both in-house shop fabrication with CNC plasma, press brake, and ironworker, and mobile welding with certified welders. Serves eastern Pennsylvania and New Jersey for residential, commercial, and industrial projects.

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.

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.

KLT Group, Inc

Pottstown, PA

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.

Liberty Welding Co

Pittsburgh, PA

On-site truck and trailer axle spindle replacement and repair using patented systems, plus frame rust repair, frame shortening and lengthening, and custom fabrication. Handles stick, MIG, TIG, and gas welding on all metals, and operates a machine shop for general repairs. Serves the trucking and heavy equipment industries.