Heavy Structural Weldments

At Southeastern Construction, we have AISC Certified fabrication shops dedicated to heavy structural welded frames.

We meet the heavy structural weldment needs of the owner, OEM, EPC, and general contracting communities across the United States.

Heavy Structural Weldment Products

Heavy Structural Weldments

Southeastern Construction has shops on property dedicated to the fabrication of heavy structural weldments.

Box Trusses

Box trusses are structures composed of three or more chords and connected by diagonal structural elements. These are utilized in many elements of construction including pipe racks, conveyor galleries, pedestrian bridges, and more.

Deck Frames

Southeastern Construction’s deck frames are structural weldments consisting of two chords and diagonal structural elements on a horizontal plane.

Pump/Motor Bases

Pump units include the pump, motor and drive, and shaft couplings. We fabricate the mounting bases including alignment apparatus.

Plate Girders

Plate girders are built up beams that utilize plate for the web and flanges. We use plate girders when readily available shapes do not accommodate the design requirements.

Heavy Structural Weldment Industries Served

We serve the access steel needs of the owner, OEM, EPC, and general contracting communities across the United States.

Power Generation

Waste to Energy


Oil, Gas, & Chemical


Pulp & Paper


Structural Facilities AISC Certified

Standard for Steel Building Structures with the Sophisticated Paint Endorsement P2

Plate/Vessel Facility ASME Accredited

S and U Stamp Fabrications

AWS Certified Welding Fabricator

National Fire Protection Association Member

Fireline V Certified

Field Services Division National Board Accredited

R Stamp for Repairs, Alterations, and Rerating of Pressure Retaining Items

UL Certified

Supply Chain Certification

ISNetworld Contractor

Contact Us for a Heavy Structural Weldment Quote