Building Systems

With over 50 years in business, we have earned our reputation as one of the leading engineering companies in the United States. GPI has been consistently ranked in Engineering News Record’s Top Design Firms and by Consulting-Specifying Engineer as one of the Top 100 MEP firms in the US, and we have earned recognition from our clients through our award-winning projects. Many public and private clients in various industries turn to GPI for mechanical, electrical, plumbing, fire protection, structural, and civil engineering services. Careful design coordination and planning go into each building system for new facilities as well as renovations. Well designed and properly commissioned building infrastructure provides a lifetime of energy efficiency, flexibility, and healthy spaces for building occupants.

building systems: community and cultural
Community & Cultural
building systems: corporate
building systems: federal
Federal Government
building systems: healthcare
building systems: higher education
Higher Education
building systems: industrial
building systems: infrastructure
building systems: k through 12
building systems: mixed use
Mixed Use & Residential
building systems: places of worship
Places of Worship
building systems: repositioning
building systems: senior living
Senior Living


  • Mechanical

  • Electrical

  • Plumbing

  • Fire Protection

  • Structural

  • Civil

  • Building Evaluations

  • New Construction

  • Renovations/Repositioning

  • Infrastructure Upgrades

  • Design/Build

  • Sustainable Design/LEED/Green Globes/WELL

  • Facilities/Asset Management

  • Value Engineering

  • Energy Audits/Energy Modeling

  • ENERGY STAR Certification

  • Peer Review

  • Commissioning

  • COVID Mitigation