Providers of welding and fabrication services supply welding and structural fabrication for a variety of materials.  These vendors also supply a selection of services including machining, CAD support, and field welding. Services, materials, and certifications or quality requirements are all important to consider when searching for suppliers of welding and fabrication services. Services offered by providers of welding and fabrication services include welding, machining, pressure vessel fabrication, CAD or CAM support, piping fabrication, and field welding.