Engel Industries produces a full range of Metal Fabricating and Rollforming Equipment from the very basic through our patented TDF® System and our completely automated HVAC Commercial and Residential Duct Fabrication Systems. the "Coiline". For the Metal Construction Industry, we manufacture two production models of High Speed Metal Framing Systems and a transportable Jobsite version. In addition to our metal framing equipment, Engel builds a full line of Accessory and Roofing Panel Systems.