Since 1998, Critical Systems, Inc. (CSI) has been a proven market leader in Orbital Welding Services and Process Application Technologies. We provide expertise in Gas Cabinet, Valve Manifold Boxes & Gas Abatement Systems (Gas Cabinets and Gas Scrubbers, etc.), and Orbital Welding Rental, Lease, Repair and Training Services related to process tool facilitation for Semiconductor, Biotech, Pharmaceutical and related industries.