ABTCO™ vinyl siding has got you covered. ABTCO™ vinyl siding is made by KP® Building Products , one of the largest manufacturers of building materials in North America. We stand for the highest industry standards in quality, durability, and product innovation. The ABTCO™ brand offers cost-competitive vinyl options for any type of siding project. To meet the demands of an ever-changing market, we continually create new, stronger, more attractive products