Find an Iron Worker Contractor

We offer a complete list of the leading Northwest contractors in the steel erection and fabrication industry. The Iron Worker firms listed here provide services in the fields of fabrication, fence & door, ornamental, post-tensioning, pre-cast concrete, pre-engineered metal buildings, reinforcing, rigging, structural, tower crane services, and welding.

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Sletten Construction Co | Billings
https://www.slettencompanies.com/

An employee-owned construction company and a tirelessly committed and skilled partner. Creating customer value through partnerships, understanding, and exceeding expectations. Committed to the values of honesty, integrity and community involvement.

Local 732

Fence & Door, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

406-534-6976
1375 4th Ave N STE F
Billings, MT 59101
Sletten Construction Co | Boise
https://www.slettencompanies.com/

An employee-owned construction company and a tirelessly committed and skilled partner. Creating customer value through partnerships, understanding, and exceeding expectations. Committed to the values of honesty, integrity and community involvement.

Local 732

Fence & Door, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

208-658-9888
6202 W Gowen Rd
Boise, ID 83709
Sletten Construction Co | Cody
https://www.slettencompanies.com/

An employee-owned construction company and a tirelessly committed and skilled partner. Creating customer value through partnerships, understanding, and exceeding expectations. Committed to the values of honesty, integrity and community involvement.

Local 732

Fence & Door, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

307-527-6515
3225 Big Horn Ave PO Box 2630
Cody, WY 82414
Sletten Construction Co | Great Falls
https://www.slettencompanies.com/

An employee-owned construction company and a tirelessly committed and skilled partner. Creating customer value through partnerships, understanding, and exceeding expectations. Committed to the values of honesty, integrity and community involvement.

Local 732

Fence & Door, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

406-761-7920
1000 25th St N
Great Falls, MT 59401
Sletten Construction Co | Missoula
https://www.slettencompanies.com/

An employee-owned construction company and a tirelessly committed and skilled partner. Creating customer value through partnerships, understanding, and exceeding expectations. Committed to the values of honesty, integrity and community involvement.

Local 732

Fence & Door, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

406-317-1353
1330 W Broadway STE B
Missoula, MT 59802
SME Steel
https://smesteel.com/

One of the largest fabricators/erectors of structural steel in the United States with over 400,000 square feet of fabrication facilities located in West Jordan, Utah, and Pocatello, Idaho, producing approximately 20,000 shop hours per week.

Local 27, Local 732

Fabrication, Pre-Engineered Metal Buildings, Rigging, Structural, Welding

801-280-0711
5801 W Wells Park Rd
West Jordan, UT 84081
Sowles Steel Erectors | Billings
http://www.sowles.com/

Building a solid reputation since 1933, specializing in structural steel erection, bridge erection, post-tensioning, reinforcing steel, pre-cast concrete, metal buildings, tower cranes, curtain walls, metal panels and metal roofs.

Local 27, Local 29, Local 732

Ornamental, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

406-248-4361
302 S 24th St
Billings, MT 59101
Sowles Steel Erectors | Portland
http://www.sowles.com/

Building a solid reputation since 1933, specializing in structural steel erection, bridge erection, post-tensioning, reinforcing steel, pre-cast concrete, metal buildings, tower cranes, curtain walls, metal panels and metal roofs.

Local 27, Local 29, Local 732

Ornamental, Post-Tensioning, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Reinforcing, Rigging, Structural, Welding

503-661-9693
2160  NE 240th, Unit B
Wood Village, OR 97060
Stacy and Witbeck Inc | Portland
http://www.stacywitbeck.com/

One of the country’s largest heavy civil contractors and a top builder of light rail, commuter rail, and streetcar systems. Experience in all aspects of construction including earthwork, utility work, structures, bridges, rail work, systems, and systems integration.

Local 86

Post-Tensioning, Reinforcing, Structural

503-231-5300
1490 SE Gideon St STE 100
Portland, OR 97202
Stacy and Witbeck Inc | Salt Lake City
http://www.stacywitbeck.com/

One of the country’s largest heavy civil contractors and a top builder of light rail, commuter rail, and streetcar systems. Experience in all aspects of construction including earthwork, utility work, structures, bridges, rail work, systems, and systems integration.

Local 86

Post-Tensioning, Reinforcing, Structural

801-666-7840
1958 W North Temple
Salt Lake City, UT 84116
Standard Steel
http://www.standardsteelfab.com/

Since 1936, Standard Steel Fabricating has supplied and fabricated steel components for virtually every type of steel building construction and marine structure. Founded on the principle of delivering the best product at a reasonable price.

Shopmen’s 516

Fabrication, Ornamental, Structural, Welding

206-767-3314
8155 First Ave S
Seattle, WA 98108
Steele & Sons Construction LLC

Local 29

Post-Tensioning, Reinforcing

203-476-4584
5182 Fordham Dr
La Pine, OR 97739
Steelkorr LLC
http://www.steelkorr.com/

Specializes in steel erection, with the ability to provide supply and erect packages. An American Institute of Steel Construction Certified Steel erector with the following designations: CSEA, SEE and MEE.

Local 86

Ornamental, Structural, Welding

206-853-4921
PO Box 80221
Seattle, WA 98108
Structural Technologies
http://www.structuraltechnologies.com/

Firmly committed to the mission of making structures stronger and last longer. Structural Tech develops and integrates products, engineering support, repair and maintenance services to provide value-added solutions to owners, engineers and contractors.

Local 86

Structural

410-850-7000
101500 Old Columbia Rd
Columbia, MD 21046
Superior Steel & Ironworkers
http://www.superiorsteel.com/

A full service steel erection company, with projects ranging from small miscellaneous metal jobs to large complex structural jobs. Core Values include: Integrity, safety, an obsession with pre-planning, and a willingness to take on the most difficult challenges.

Local 86

Ornamental, Rigging, Structural, Welding

425-677-8100
21229 84th Ave
South Kent, WA 98032
Supreme Group
https://www.supremegroup.com/

The largest privately-owned steel construction company in Canada. Provides estimating services, structural engineering, steel detailing, steel fabrication, steel structure erection and design build services in the building, industrial and transportation industries.

Local 29

Ornamental, Pre-Cast Concrete, Rigging, Structural, Welding

780-493-3278
28169 96 Ave
Acheson, AB T7X 6J7 Canada
Supreme Steel Portland
http://www.standardsteelfab.com/

A full-service steel fabrication and construction shop specializing in steel supply and erection services, featuring the ability to meet the varying and demanding needs of all clients across North America.

Shopmen’s 516

Fabrication, Welding

503-830-8931
4600 NE 138th Ave
Portland, OR 97230
Swanson Steel Erectors Inc

Local 14, Local 732, Local 751, Local 86

Pre-Engineered Metal Buildings, Rigging, Structural, Welding

808-540-1400
1130 N Nimitz Hwy Rm A221
Honolulu, HI 96817
T-Plus Steel Fabricators Inc
https://tplussteel.com/

Over 30 years of experience providing structural steel for buildings, as well as steel fabrication for building construction, stairs, hand railings and architectural details. A reliable source that puts customers #1.

Local 29

Fabrication, Fence & Door, Ornamental, Pre-Cast Concrete, Pre-Engineered Metal Buildings, Rigging, Structural, Welding

541-928-0551
3725 NE Western Way
Albany, OR 97321
Tate Ornamental Inc
https://tateornamental.com/

A family owned and operated company that has been in business since 1988. Tate takes pride in being a one-stop shop for design, fabrication, installation and freight.

Local 86

Ornamental

615-672-0348
496 Sade Road
White House, TN 37188

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