DAYTON, NEVADA--(BUSINESS WIRE)--February 20, 2007--GrayStone Industries, a leading designer and supplier of RF component, integrated products and embedded controller solutions for the defense, industrial, telecommunications and digital imaging markets, today announced that it had secured a contract with Sulphco Inc. of Sparks Nevada to develop a real time embedded control system to be implemented in Sulphco's patented SonoCracking™ oil processing technology to provide monitor and control of high powered ultra-sonic equipment.

"GrayStone Industries is a leader in embedded controller hardware/firmware engineering services to various markets including defense, homeland security, telecommunications and industrial process control." said Roger Bishop, Senior Engineering Consultant for GrayStone Industries Engineering Design Services. "We take great pleasure in this opportunity to further extend our partnership between our two companys"

About SulphCo®:
SulphCo® has developed a patented safe and economic process employing ultrasound technology to desulfurize and hydrogenate crude oil and other oil related products. The company's technology upgrades sour heavy crude oils into sweeter, lighter crudes, producing more gallons of usable oil per barrel.

About GrayStone Industries:
GrayStone Industries is a leading provider of engineering design services, RF components, integrated products and embedded controller systems that serve multiple markets including defense, homeland security, industrial process control and digital imaging.
For more information visit www.graystone-ind.com or call 775-315-3524.