For over 30 years Engineering Repro Systems has provided Architects, Contractors, Engineers, and Developers with process enha ... ncing systems for Construction Document Management, Printing, and Distribution. In 1999, ERS became a wholly owned subsidiary of the largest reprographics company worldwide, American Reprographics Company (ARC). The premier core of ARC's business model is Planwell. It was ERS that placed construction project documents on-line back in 1997 with a product we helped create called "Bid-View" which later became Planwell. The worlds largest on-line Planroom today. read more