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PROJECT HIGHLIGHT

ENGINEERED TO HOLD.

DESIGNED TO LAST.


SEA, Inc. provides experience, clarity, and reliable structural solutions needed to build safely, and bring building designs to life.

SEA, Inc. is a structural consulting engineering firm, based in Sioux Falls, South Dakota, with decades of structural experience, backed by licensed structural engineers with SE and PE credentials. From new builds to complex assessments, we deliver clear guidance, practical solutions, and the confidence that your structure is safe, sound, and built to last.

Market Sectors

Building Projects Engineered by SEA, Inc.

Built to Serve Wherever the Project Takes Us

We work across the region and hold licensure in multiple states. If your project occurs outside 
of our licensed footprint, we 
can secure the credentials necessary to work with you
and your design in any market.

Our Team

Professional Services

  • Structural Engineering Consultant Services
  • Analysis of Existing Structures and Building Renovations
  • Structural Building Information Modeling (BIM) with Revit by Autodesk
  • Field Observations and Documentation

Our Design Capabilities

  • Structural Steel Design
  • Composite Steel Beam Floor / Roof Construction
  • Cast-in-Place Concrete and Precast Concrete Design
  • Design of Concrete Masonry
  • Light Gage Steel Design
  • Multiple Story Wood Framed Construction Design
  • Finite Element Analysis
  • Floor Vibration Analysis
  • Metal Building Foundation Design
  • Earth Retention / Retaining Wall Design

ENGINEERED TO HOLD.

DESIGNED TO LAST.


SEA, Inc. provides experience, clarity, and reliable structural solutions needed to build safely, and bring building designs to life.

SEA, Inc. is a structural consulting engineering firm, based in Sioux Falls, South Dakota, with decades of structural experience, backed by licensed structural engineers with SE and PE credentials. From new builds to complex assessments, we deliver clear guidance, practical solutions, and the confidence that your structure is safe, sound, and built to last.

Market Sectors

Building Projects Engineered by SEA, Inc.

Built to Serve Wherever the Project Takes Us

We work across the region and hold licensure in multiple states. If your project occurs outside of our licensed footprint, we can secure the credentials necessary to work with you and your design in any market.

Our Team


Professional Services

Our Design Capabilities

  • Structural Engineering Consultant Services
  • Analysis of Existing Structures and Building Renovations
  • Structural Building Information Modeling (BIM) with Revit by Autodesk
  • Field Observations and Documentation
  • Structural Steel Design
  • Composite Steel Beam Floor / Roof Construction
  • Cast-in-Place Concrete and Precast Concrete Design
  • Design of Concrete Masonry
  • Light Gage Steel Design
  • Multiple Story Wood Framed Construction Design
  • Finite Element Analysis
  • Floor Vibration Analysis
  • Metal Building Foundation Design
  • Earth Retention / Retaining Wall Design