Founded in 1978, Key remains true to the belief that strong relationships with everyone from clients to subcontractors is the ... key to their success. With offices throughout the Midwest and hundreds of projects completed throughout the country, Key has become one of the most respected general contractors in the United States. Key is consistently recognized in the ENR Top 400 Contractors and as one of the fastest growing, highest quality contractors in the country. Every day, on every project, Key fulfills its mission of complete, no-excuses customer satisfaction. read more