Idaho
Custom Fabrication in Idaho
Metal fabricators and welders working Idaho. 25 shops and 1 mobile rig listed, across 16 cities.
Welders by city in Idaho
Welding services in Idaho
Showing custom fabrication only. Clear filter → or see the Custom Fabrication guide →
Providers
1st Choice Welding and Fabrication LLC
Post Falls, ID
Custom welding and fabrication with shop and mobile services, offering stick, TIG, MIG, flux core, and plasma cutting in steel, aluminum, and stainless. Also provides CNC plasma cutting, custom railing, and retail material sales. Mobile equipment includes truck, trailer, forklift, and skid steer.
cnccustom-fabrepair(208) 704-2824→- AFSshopListing
A Fab Shop
Hauser, ID
Custom welding and metal fabrication for residential and light commercial work, including new construction, remodeling, and custom pieces for homes and boats. The shop specializes in TIG welding and has over two decades of experience, including work in oil fields, boilers, and precision nuclear welding.
custom-fabsteel(208) 640-6400→ 
Amoureux Knives
Boise, ID
Amoureux Knives is a veteran family-owned small business that specializes in handcrafted knives, providing quality craftsmanship and personal service.
custom-fabsteelView→
Atlas Fabrication & Construction
Post Falls, ID
Metal fabrication and welding for commercial, industrial, and residential projects in Idaho and Washington. Offers structural welding to D1.1, miscellaneous metals, sheet metal work, CNC laser and plasma cutting (5'x10' capacity), metal forming, hot dip galvanizing, powder coating, and perimeter solutions including gates and fencing. In-shop services include mobile welding with FCAW, GMAW, and SMAW, plus CAD and mechanical design using Solidworks.
custom-fabsteel(208) 419-2170→
Boise Metal Works
Boise, ID
Custom metal fabrication in carbon steel, stainless steel, and aluminum for structural, architectural, and decorative projects. Services include custom railings, truck upfitting, structural fabrication, metal signs, tanks, awnings, stairs, water jet cutting, machining, and product development. Pre-assembles and tests work before shipment or installation.
custom-fabsteel(208) 376-7777→- CMWshopListing
CD Metal Works
Boise, ID
CD Metal Works runs a custom fabrication shop in Boise. Project work covers small batches, architectural metal, and one-off builds for Treasure Valley customers.
custom-fabsteel(208) 982-4706→ - CWLbothListing
Conley Welding LLC
Meridian, ID
Mobile welding service based in Meridian, Idaho, specializing in on-site repairs and structural steel work across the Treasure Valley and Valley County. Operates a full service shop capable of steel, stainless, and aluminum welding, and accepts custom fabrication work.
steel(208) 576-4679→ 
Cooper Fabrication Inc.
Post Falls, ID
Steel, stainless steel, and aluminum welding and fabrication for heavy equipment, commercial and industrial work, light trucks, trailers, and custom jobs. Offers line boring, portable line boring, and bore welding services on-site or in their shop. Licensed in Washington and Idaho, serving North Idaho and Eastern Washington.
custom-fabsteel(208) 777-0114→
Creative Metal Design, LLC
Boise, ID
Custom metal fabrication in stainless steel, aluminum, galvanized steel, and mild steel. Specializes in HVAC ductwork systems with custom fittings and welding of grease ducts, electrical boxes, and fabricated parts. Also produces custom metal designs including architectural and decorative pieces.
custom-fabsteel(208) 342-5516→
Fire Iron Forge
Rathdrum, ID
Fire Iron Forge is North Idaho’s premier blacksmithing school, offering hands-on classes and mentorship in blacksmithing and ironwork for all ages.
custom-fabsteel(208) 620-8738→
FS FabCo
Post Falls, ID
Stainless steel fabrication and manufacturing specializing in food service equipment, sheet metal applications, and architectural metals. Operates CNC machines and material handling centers, employs 25+ skilled team members, and ships product nationwide with over 50 years of experience in commercial kitchen applications.
steelstainless(208) 773-9733→- HFBshopListing
Hobson Fabricating
Boise, ID
HVAC fabrication, installation, and service alongside metal roofing, architectural metals, and specialty metal fabrication. Serves hospitals, educational institutions, manufacturers, and municipalities with design-build and full-service mechanical contracting. Handles complex projects including cleanroom facilities, downtown buildings, and steep slope roofing.
custom-fabsteelstructural(208) 343-5423→ - HMMshopListing
Homebase Machining
Meridian, ID
CNC precision machining of prototypes and production parts in aluminum, steel, stainless, titanium, and plastics with capability for tight tolerances and complex shapes. Works in aerospace, medical, automotive, motorsports, and firearms industries. Performs both lathe and milling work.
cnccustom-fabsteel(208) 869-4319→ - IFBshopListing
Idaho Forge
Boise, ID
Hand-forged wrought iron work including custom gates, railings, furniture, and decorative items. All work is done by hand using anvils, a 25 lb trip hammer over 100 years old, and a 95 lb air hammer. Serves residential clients in the Boise area.
custom-fabsteel(208) 871-7963→ - KSKshopListing
Keg's Kustom Metalworks
Kuna, ID
Welding, CNC and Metal Fabrication. Custom Gates, Railing, Privacy Panels, Business Signs and Metal Furniture
cnccustom-fabsteel(208) 860-0015→ 
Kretz Kustomz
Rathdrum, ID
Welding and fabrication of custom handrailing, staircases, gates, arbors, and side-by-side racks. Offers on-site welding and fabrication services and precision plasma cutting.
steel(208) 215-9731→
Lasasco Inc
Boise, ID
Custom metal fabrication in stainless steel, copper, aluminum, mild steel, galvanized, and exotic metals, in gauges 24 through 3/16 inch. Work includes residential range hoods, countertops, sinks, backsplashes, corner guards, and caps for both residential and commercial customers.
custom-fabsteel(208) 376-0271→- LWGshopListing
Linde Welding Gas & Equipment Center
Boise, ID
Linde Welding Gas & Equipment Center supplies welding gas and equipment from its Boise, ID shop. The location also handles custom fabrication for industrial customers.
custom-fabsteel(208) 376-1838→ - MIBshopListing
Metalcraft Inc
Boise, ID
Sheet metal fabrication and finishing for semiconductor, electronics, robotics, transportation, construction, and medical industries. Equipped with CNC laser cutting, Amada laser, Trumpf punching and shearing equipment, Mitsubishi press brakes, spot welding, and hardware insertion systems. Quality control based on ISO9002 standards with in-house production capabilities.
custom-fabsteel(208) 368-0700→ - MSFshopListing
Mountain Steel Fabrication
Kuna, ID
Structural steel fabrication serving the Treasure Valley and western United States, specializing in structural work, handrails, stair systems, and canopies. The shop operates a 20,000 square foot facility in Kuna, Idaho and has completed projects for Boise State University, The Majestic Theatre, and other regional customers.
steel(208) 344-5930→ - PIWshopListing
Precision Iron Works Inc
Boise, ID
Discover our legacy of precision and durability in ironworks. From timeless designs to bespoke creations, we shape metal into artistry that endures.
custom-fabsteel(208) 377-0942→ 
Solid Rock Automation
Post Falls, ID
Manufactures vertical pivot lift gate systems for residential and commercial applications. Each gate operator ships complete with a custom gate, UL 325 listed and ASTM F2200 compliant, and the company offers turnkey installation services. All gates are designed, fabricated, and powder-coated at their Post Falls facility.
custom-fabsteel(208) 457-8048→
TratFab
Star, ID
CNC laser cutting, precision bending, and architectural steel fabrication for construction and custom projects. Operates a fiber laser that cuts steel up to 1 inch thick, an adira CNC bender for metal up to 1/2 inch, and a Kratos beam crane for material handling. Serves Southern Idaho and Eastern Oregon with 2-3 day turnaround.
steel(208) 366-8424→- TVSshopListing
Treasure Valley Steel Inc.
Boise, ID
Manufactures metal roofing and siding panels in 22, 26, and 28 gauge steel with Galvalume coatings, baked-on finishes, and decorative options like CORTEN. Operates in-house machinery to custom cut panels to length and fabricate trim pieces. Operates facilities in Boise, Idaho and Ontario, Oregon.
steel(208) 336-7505→ 
Weld Pro
Boise, ID
Metal fabrication and steel erection for commercial and residential projects, including structural steel, gates, fences, ornamental iron work, and custom metal designs. Works in ferrous and non-ferrous metals including aluminum, stainless steel, copper, and nickel. Operates water-cutting equipment and serves customers throughout the Treasure Valley.
steel(208) 323-9353→
Hiring a welder in Idaho
How do I find a mobile welder in Idaho?
Filter the providers below by "Mobile" or "Both" to see who travels. Mobile rigs in Idaho 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 Idaho 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 Idaho shops handle steel and aluminum at minimum. Stainless, cast iron, and pipe are specialty — filter by material if you need them.
New welders across Idaho?
Shops and mobile rigs join Idaho 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.