Commercial diversity have given Wood County much economic strength and stamina. The area is a lead partner with the Polymer Alliance Zone, and the E.I. du Pont plant just south of Parkersburg is one of the company's largest facilities. GE Plastics is also a major employer in Wood County. Parkersburg is known as the "Savings Bond Capital of the World," since it serves as the home of the U.S. Treasury's Bureau of the Public Debt. The Bureau has been located in Parkersburg since 1957, and it employs approximately 1800 people.
Wood County is also the home to manufacturers of everything from architectural louvers to large truck haulers. It's the home of one of America's largest, and last, art glass manufacturers, Fenton Art Glass. Retailer Coldwater Creek has located its eastern United States distribution center in Wood County, and fine companies such as Simonton Windows, Fypon Manufacturing, United Bankshares, and Mountain State Blue Cross Blue Shield have also chosen to make their home in Wood County.