Arc Products, AP Automation's parent company, provides equipment repair, service support, parts supply, and PC board supply for major welding manufacturers; including PowCon, Cyclomatic, Plazcraft, Lincoln, Miller, Hobart, Thermal Dynamics, ESAB, L-Tech, Airco, & Linde.

AP Precision Metals, Inc. offers complete manufacturing of precision sheet metal parts and cabinetry, from design to finishing. Services include sheet metal manufacturing, welding and fabrication, computer design and engineering, and powder coat and screen printing. Based in San Diego, CA.

Weld Plus, Inc. Pipe fabrication, welding positioners, manipulators, tank turning rolls, seam welders, rotators, turntables, chucks, headstocks tailstocks and used welders. Cincinnati Welding Supplies.