Powell Industries , Inc . , headquartered in Houston , designs , manufactures and packages systems and equipment for the control , distribution and management of electrical energy and other dynamic processes . � � Powell provides products and services to large industrial customers such as utilities , oil and gas producers , refineries , petrochemical plants , pulp and paper producers , mining operations , commuter railways and other vehicular transportation facilities . � � For more information , please visit www.powellind.com.