Briggs Plumbing Products, a manufacturer of plumbing fixtures and faucets including vitreous china and porcelain enameled steel, announced today the relocation of its corporate headquarters to Berkeley County. The company will also expand its current distribution center in the region. Employment at the distribution center has grown from 30 to 50 employees since opening in March. Corporate office employees are expected to reach 60 by the middle of 2001. The combined relocation and expansion will create 90 new jobs and result in a multi-million dollar investment, according to an announcement made today in conjunction with the Charleston Regional Development Alliance.