Messer Construction, located in Dayton, Ohio, is a full-service commercial construction manager, design-builder, general contractor, program manager and developer. The firm is made up of a group of builders, with more than 750 construction leaders and innovators. Messer s client base includes hospitals and medical facilities, education facilities, aviation, arts and entertainment, religious, historic renovations, and nonprofit, industrial and commercial organizations throughout Ohio, Indiana, Kentucky and Tennessee. The company has been operational since 1932 and also has offices in Cincinnati and Columbus, Ohio, Indianapolis, Louisville and Lexington, Ky. and Knoxville, Tenn. Messer is a 100 percent employee-owned company. The company is also involved in investing in a number of community activities.