Manufacturing Facilities:

  • Marvin Windows - Warroad, MN
  • Sioux Manufacturing - Fort Totten, ND

Processing Facilities:

Commercial Facilities:

Medical Facilities:

Educational Facilities:

Institutional Facilities:



  • UND Maintenance Hangar - Grand Forks, ND


John Mercer

Principal Structural Engineer and president of Mercer Engineering P.C. from 1982 to present.
Chief Design Engineer at Concrete, Inc. from 1979 to 1982. Provided prestressed concrete designs to A/E firms and contractors for buildings and other structures. Drafting department manager at Concrete, Inc. from 1976 to 1982. Director of Quality Control at Concrete, Inc. from 1975 to 1982.


John Mercer

Professional Affiliations:

  • American Council of Engineering Companies/North Dakota (Past President)
  • American Council of Engineering Companies - Firm Member (ACEC)
  • Council of American Structural Engineers - Firm Member (CASE)
  • National Executive Committee Secretary 2001-2003
  • STRUCTURE Magazine Editorial Board 2003-2014
  • CASE/RMP (Risk Management Program) Toolkit Committee 2006-2009
  • National Executive Committee Past Chairman
  • CASE Contracts Committee 2014-Present

Technical Affiliations:

  • American Concrete Institute - Professional Member
  • Prestressed Concrete Institute - Professional Member
  • Committee on Sandwich Wall Panels 1980 - 1994
  • Post Tensioning Institute - Professional Member
  • American Institute of Steel Construction - Professional Member

Professional Registrations:

  • North Dakota
  • South Dakota
  • Nebraska
  • Iowa
  • Minnesota
  • Nebraska
  • Michigan
  • Missouri
  • Washington


John did an excellent and thorough job analyzing the situation and providing a detailed report that the jury accepted and that the court allowed a full recovery on costs of the expert services.

Kent Reierson

Attorney Crowley Fleck PLLP