General Info

Custom Components of Eagle River, now known as CornerStone Custom Builders, offers a range of open-wall framing packages to residential and light commercial builders. Founded in 1990 by Glenn Schiffmann, the company provides a variety of design and construction services. It offers production, scheduling and material handling services. The company has partnerships with Quality Cabinets and Pella Windows & Doors. It works with various granite and solid surface fabricators. The company maintains a more than separate 20,000-square-foot material storage facility. The company manages a staff of over 70 full-time employees. It works as primary contractor for nearly 120 area subcontractors who employ 360 additional people. Located in Eagle River, Wis., Custom Components of Eagle River additionally publishes a newsletter.