This is a growing compilation of useful welding and engineering links.

AP Automation is the automated welding division of Arc Products. Arc Products has been building automated equipment and systems for over 20 years, and we are only recently making all of this available through AP Automation. Equipment includes seam trackers, arc voltage control, magnetic arc control, TIG wire feed, orbital TIG, spot welders and pipe rotation systems, as well as custom automation systems.

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.