• Auburn Hills cleantech firm gets 21st Century investment commitment

AUBURN HILLS, Mich., April 7, 2008 /PRNewswire/ -- Plexus Systems, Inc., provider of Plexus Online on-demand software for the manufacturing enterprise, today announced it has signed contracts with Wescast Industries Inc. (TSX: WCS.A), the world's leading supplier of cast exhaust manifolds for passenger cars and light trucks