Company 2017-12-29T18:22:15+00:00


Wheaton Sprague (WS) is chartered as a professional engineering company providing design, engineering and consulting services for the Building Envelope and Curtain Wall Industry, to clients throughout the United States and in some off-shore markets.

WS has offices in Northeast Ohio, Southern Ohio, in the Twin Cities area of Minnesota and an affiliated office in the Raleigh, North Carolina region.

WS works to provide technical support services that will bring order and structure to client’s businesses and projects, providing real value for our client’s investment. At WS this is branded under the following registered service mark: Creating Structure®. We employ design professionals, technicians, and firm leaders who have worked directly for, and with some of the client types we serve, and because we work hard to understand our clients’ businesses, we believe it gives us a unique perspective and a deeper understanding of our client’s side of the business.

Have a question about Wheaton Sprague Building Envelope? Contact us.


American Institute of Steel Construction

Headquartered in Chicago, AISC is a not-for-profit technical institute and trade association established in 1921 to serve the structural steel design community and construction industry in the U.S. AISC’s mission is to make structural steel the material of choice by being the leader in structural-steel-related technical and market-building activities, including specification and code development, research, education, technical assistance, quality certification, standardization, and market development.

  American Society of Civil Engineers
Today’s civil engineers use every advantage to meet the demands of their profession. That’s why ASCE pioneers new programs, policies, educational activities, and professional resources to help them successfully compete in their business.
  Facade Tectonics
The Facade Tectonics Institute is an international member organization with the mission of carrying out progressive and broad-based research in building facade technology. The intent is to catalyze and foster a deep dialogue of collaborative research activity that bridges the fragmented market segments of the building industry, pairing industry, government, academia, the profession, and
  National Glass Association
Founded in 1948, the National Glass Association is the largest and most influential trade association serving the architectural glass, and window and door industries. The NGA represents nearly 2,200 member companies, produces the industry’s leading events and 
publicationsand provides cutting-edge education and training programsThe NGA’s annual events— including GlassBuild America and the Glazing Executives Forum—serve as a centralized meeting place for thousands of professionals.
  United States Green Building Council
The U.S. Green Building Council, co-founded by Rick Fedrizzi, Mike Italiano, and David Gottfried in 1993, is a private 5013, membership-based non-profit organization that promotes sustainability in buildings design, construction, and operation.

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WS has offices in Ohio and Minnesota and an affiliate office in North Carolina. Wheaton Building Envelope, PLLCis a separate, but affiliated company authorized by the State of North Carolina, to provide professional building envelope engineering, design and consulting services for North Carolina-based clients and for North Carolina projects.

The company also consists of WS Curtain Wall, Inc. a Washington-based corporation working under Certificate of Authorization to provide services in Washington  State, and Wheaton Building Envelope, PLLC, a North Carolina-based corporation working under Certificate of Authorization to provide services in North Carolina.


At WS, we value our staff, and believe in providing competitive compensation, comprehensive benefits, profit sharing, recognition, and integration in decision-making. We believe that productivity and flexibility are not mutually exclusive…