G4 Construction Management, a mid-sized general contractor of restaurants and hotels in the upper Midwest, was founded by David Greischar in 2004. Greischar has been in the business for over 40+ years, having previously founded in 1976 and worked as the co-owner of Tech Builders Inc., a large national commercial contracting company.
G4’s business model is built on relationships. We value honesty, communication, cost-containment, and quality within our client relationships above all else. Because of this, a large amount of our business comes from repeat clients and referrals.
G4 has built a reputation for having some of the highest standards of craftsmanship in the industry. We are also known for our ability to collaborate effectively and efficiently with owners, architects, government officials, and key stakeholders in projects of every type and size.