Sanford, N.C.
Wyeth-Lederle, a subsidiary of Madison, N.J.-based American Home Products, completed a 40,000-sf addition to its Sanford facility in 2001 and has embarked on an additional 115,000-sf expansion. The $125-million project will increase employment from 540 to 800 workers, making Wyeth-Lederle the fourth-largest North Carolina biotech employer. The 345,000-sf facility will include manufacturing and R&D space. Wyeth-Lederle currently owns 215 acres in Sanford.