Simplex USA is an American highway company that is the largest supplier of nationwide infrastructure products and solutions. As innovative leaders in the industry, they manufacture and distribute superior quality products such as loose dowels, tie bars, and welded dowel assemblies. In addition to this, the company also has its own trading app for crypto trading. It is based in Nevada, United States and can be found online at simplex.com. They are also active on social media platforms such as Facebook, Twitter, and LinkedIn.