Powell Industries, Inc. (Powell) develops, designs, manufactures and services custom engineered-to-order equipment and systems for the management and control of electrical energy and other critical processes. The Company operates in two business segments: Electrical Power Products and Process Control Systems. Electrical Power Products business segment's principal products include power control room substation packages, traditional and arc-resistant distribution switchgear, medium-voltage circuit breakers, offshore generator and control modules, monitoring and control communications systems, motor control centers and bus duct systems. Process Control Systems business segment's DYNAC software suite provides an integrated operations management solution. Its wholly owned subsidiaries include Powell Electrical Systems, Inc., Transdyn, Inc., Powell Industries International, Inc., Switchgear & Instrumentation Limited (S&I) and Powell Canada Inc.