JCI Metal Products JCI is a full-service sheet metal company that specializes in providing fabrication, installation, modernization and repair services for the military marine industry. The company s product line includes shipboard ventilation, shipboard joiner, storage and habitability systems. Its products feature penetrations, hoods, coamings, terminals, dampers, filters, screens and control fittings. The company has a fleet of fabrication equipment, such as vertical band saws, spot welders, pan brakes, shears and lock formers. In addition, it offers cribbing systems, access covers, flame sprays and ship board mailboxes.