NDT Resources Center: This site was created with funding from the National Science Foundation to serve as a focal point for NDT education on the Internet

NDT.org: Online information for the NDT community. Includes job openings, vendors and their products, and a News section devoted to the latest headlines in nondestructive testing

Scale Manufacturers Association (SMA): Regulators of the United States scale industry. Site contains information on the association, member and product lists, and standards