Washington Rotating Control Heads, Inc. is a leading manufacturer of Rotating Control Devices and diverters for oil, gas, water, and geothermal drilling around the world. For over 40 years, Washington Rotating has served the national and international drilling industry with a high-quality, dependable and innovative product. Our manufacturing plant, based in Washington, Pennsylvania, is API Spec Q1 and ISO 9001:2008 certified. All of our products are proudly made in the USA.