About thermOweld® Through our thermOweld® business unit, our exothermic welding materials and accessories, plus a wide array of grounding products, are utilized in infrastructure projects in over 55 countries worldwide. We manufacture all of our weld metal and molds in Oklahoma, USA, as well as the majority of our other products, so you can be certain of the most consistent, high-quality products to satisfy your demanding infrastructure reliability needs. Continental Industries, headquartered in Tulsa, Oklahoma, was formed in 1958 and is today a leading manufacturer of exothermic welding products for electrical grounding, cathodic protection, and lightning protection, as well as connectors for gas, propane, and water distribution service lines. We are a division of Burndy LLC. An ISO 9001 certified company, Continental Industries has manufacturing locations in Tulsa and Broken Arrow , Oklahoma. Our employees are committed to providing the best value to our customers.