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Building Trust, One Project at a Time.

About Us

Comprehensive Engineering, P.C. is a multi-disciplined consulting engineering firm based in Grand Rapids, Michigan, providing engineering services in Michigan and throughout the United States since 1993. Our firm's principals, including Ken Reigler, PE; John Corrigan, PE; and Gordy Sible, PE, are licensed engineers who manage and lead each project from concept to completion. We provide a variety of services, including electrical, structural, mechanical, civil, and forensic engineering for a broad range of projects. Our engineers tailor designs toward project requirements, such as LEED, BIM, and sustainable design. We are committed to providing quality engineering services with honesty and integrity, while meeting your goals, schedules, and budgets.

Our Services

Our comprehensive range of services includes:

Structural Engineering

Our structural engineering services include the analysis and design of buildings, delivering designs based on client needs, project requirements, and budget to ensure each project is a success no matter how challenging the environment.

Mechanical Engineering

Our mechanical engineering services include HVAC, fire protection, plumbing and piping, manufacturing ventilation and process, engineering studies, and testing and balancing. We have experience with central air handling systems, central boiler chiller plants, wood pellet boilers, fan coil systems, water source heat pumps, and underfloor air distribution systems.

Electrical Engineering

Our electrical engineering team has the experience and knowledge to efficiently design electrical systems that meet the requirements of your project, specifying equipment and fixtures fitting the requirements of life safety while maintaining an the appropriate design.

Civil Engineering

Our civil engineering services include site layout, design of roads, parking areas, access drives, walkways, curb cuts, and barrier-free access design. We maximize development areas and have experience in the design of public and private roads, storm water management, storm and sanitary sewer, water mains, and on-site sewage treatment systems.

Forensic Engineering

Our forensic engineering services investigate and analyze methods of structural failures, working with you to understand your needs and requests for the structure in question. We are adept in identifying structural damage and deliver reports summarizing our findings on the current state of the structure.

Building Information Modeling (BIM)

We coordinate between mechanical, electrical, plumbing, and structural professionals from the beginning to the end of the project, utilizing Building Information Modeling (BIM) to ensure seamless integration and collaboration.

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