The Korte Company was founded in 1958 on the belief that professionalism, quality and value added services are fundamental to a successful company. More than fifty years later, that philosophy has earned Korte the reputation for delivering high quality, responsive services to our clients nationwide. Throughout our history, Korte has pioneered both Design-Build and construction management as effective project delivery methods. Our staff includes architects and engineers to provide a full range of integrated design and construction services. Korte was one of the seven founding members of the Design-Build Institute of America.

Poettker Construction Company is a relationship-driven construction firm specializing in construction management, design/build, general contracting and self-perform services. Established in 1980, Poettker actively serves local, regional and national clients from its offices in Breese, IL and Charlotte, NC, and continues to expand its diverse portfolio in commercial, distribution, mixed-use, municipal, educational, federal government, healthcare, hospitality, industrial, recreational, retail, and energy markets. Poettker is a multi-generation, family-owned and veteran-owned business with outstanding client ratings for safety, quality, collaboration, sustainability, financial management, and communication. The Poettker Difference. . . Our quality relationships build your quality projects.

O’Shea Builders is a leading commercial construction-solutions provider in Illinois. We provide Construction Management, Design-Build and General Contracting services.

Contegra Construction is a nation-wide design-build, general contracting and construction management firm serving the industrial, corporate, multi-family, healthcare, institutional and retail markets. We pride ourselves on the integrity of both our people and our projects; it is an essential part of our culture and drives our dedication to excellent service and proven results.

Sutton's is a full service remodeler serving Springfield, IL and the surrounding Central Illinois area. Sutton's specializes in Roofing, Siding, Windows, Doors, Decks, Kitchen & Bath Remodeling, Room Additions and Insurance Reconstruction Services. The company was started in 1946 as Sutton's Roofing and Siding and has been locally serving Springfield's home improvement needs. We are proud to provide quality, professionalism, and customer satisfaction in all of our efforts here at Sutton's.

Buraski Builders is a family-owned and operated business specializing in new home and light commercial design and construction, remodeling, handyman services (no job too big or too small), and home inspections for sellers and buyers. Over the past 30 years, Buraski has become an award-winning, full-service construction firm offering a wide range of projects and services to the central Illinois community. We are also responsible for the building of the homes at Springfield's Villas at Pine Creek, an active lifestyle community, and the Homes of Stone Creek. Owners Frank and Barbara Buraski, son, Jason Buraski, and daughter, Heather Sobieski believe in guaranteed service before, during and long after the sale. Voted Best Home Builder in 2007, 2008, 2009, 2010, 2011, 2013, 2014 and Best Remodeling Contractor in 2014

R & R General Contractors, Inc. is a construction company based out of 1230 North State Highway 121, Mount Zion, Illinois, United States.

BLANKENSHIP FARMS INC is a company based out of 1905 NEATHERY CEMETERY RD, MULBERRY GROVE, Illinois, United States.

JUN CONSTRUCTION COMPANY is a construction company based out of P.O. BOX 263, GODFREY, Illinois, United States.

Pfund Construction Inc is a construction company based out of 2400 Little Round Top Dr, Edwardsville, Illinois, United States.