Gaithersburg, Md.--GE Global eXchange Services, PricewaterhouseCoopers L.L.P. and Enterworks Inc. will jointly develop and market business process integration software. GE Global and Ashburn, Va.-based Enterworks are doing most of the development work. GE Global and New York-based PWC, meanwhile, will expand a previously announced consulting agreement to include marketing and implementation of the new platform. The companies will focus on Fortune 500 companies and their trading partners.