Advanced Energy Industries, Inc. is a provider of engineered, precision power conversion, measurement and control solutions. The Company is engaged in designing, manufacturing, selling and supporting its power conversion products and solutions that transform power into various forms in various applications ranging from manufacturing and industrial processes to instrumentation, and test and measurement. It also provides repair and maintenance services for all of its products. Its process power systems include direct current (DC), pulsed DC, low frequency, high voltage, and radio frequency (RF) power supplies, matching networks, remote plasma sources for reactive gas applications and RF instrumentation. These power conversion systems refine, modify and control the raw electrical power from a utility and convert it into power that may be customized and is predictable and repeatable. Its power control modules and thermal instrumentation products are used in the semiconductor industry.