ISG offers a proud history of superior controls manufacturing, packaged with responsive and knowledgeable customer service. The technical expertise of our design and project management team, is backed by the quality and craftsmanship of the ISG production staff and product. ISG has the resources necessary to ensure quick, professional, cost effective, solutions. As an industry leader in packaged controls, ISG has been chosen time and time again as the primary UL 508 control panel vendor by some of the biggest names in the high tech, pharmaceutical, renewable energy, and water waste industries.