Arc Machines, Inc. Arc Machines, Incorporated is the premier line of orbital welding equipment in the world. AMI manufactures systems that weld tube to tube, tube to fitting, tube to tubesheet, pipe to pipe, pipe to fitting, and many custom designed applications. Their systems offer the ultimate in repeatability, producing X-Ray quality welds time after time. We have worked on developing orbital solutions for many different industries, including nuclear, military, aerospace, biotechnology, petrochemical, semiconductor, pharmaceutical, food and dairy processing, utilities, paper, commercial shipping, boiler fabrication, and many others. Click here to go to the Arc Machines, Inc. web site.