Everything we do focuses around our core mission of providing exceptional building experiences and results to the most demanding clients & projects.

Our client focused approach delivers exceptional outcomes and experiences

  • Single-Source Responsibility
  • Better Cost Control

Design + Build

Our Design/Build concept starts by partnering with your team from the beginning for a cohesive approach with a single-sourced responsibility to deliver the ultimate client experience, with better cost control.

The insight & oversight to deliver peace of mind.

Construction Management

Our comprehensive Project Management services take the burden our of the building process, ensuring your project meets expectations. From conception through completion, we oversee & coordinate every step of the project.

  • Mitigate Risk
  • Control Cost
  • In-depth knowledge of our local markets

Doing whatever it takes to deliver your project on schedule.

  • Self Performing
  • Strong Relationships with local trade partners

General Contracting

As one of the largest Union Affiliated General Contractors in the region, Grunloh Construction has the resources and relationships to take on the most demanding projects and deadlines. Our focus on craftsmanship, quality control, and safety, deliver world-class results on schedule.

United Brotherhood of Carpenters and Joiners or America
Laborers' International Union of North America
International Association of Bridge, Structural, Ornamental, and Reinforcing Iron Workers
International Union of Operating Engineers

Let's build something
great together.

Let's Talk.

trusted by
Carle Foundation Hospital
University of Illinois
U.S. Department of Veterans Affairs
Eastern Illinois University
HSHS St. Anthony's Memorial Hospital

Latest Projects


Smith Football Performance Center
Smith Football Performance Center
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University of Illinois Turner Hall
University of Illinois Turner Hall
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State Farm Center
State Farm Center
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