Fabricators and installers of calcium silicate in passive fire protection often also install firestops. Members also include fabricators, brokers, refiners and shippers. Membership in the CWA is open to welding professionals, fabricators, and manufacturers. Metal Fabricators create joint venture manufacturing operation. Some fabricators and manufacturers will provide symbols, data, or instructions concerning installation. Batavia anchored an industrial area that also includes rollercoaster manufacturer Clermont Steel Fabricators. Larger surface fabricators may also use CNC routers. It was manufactured by Clermont Steel Fabricators located in Batavia, Ohio. The track and supports were manufactured by Clermont Steel Fabricators in Batavia in southwest Ohio. The track was fabricated at the Ohio-based Clermont Steel Fabricators. The track was manufactured by Clermont Steel Fabricators located in Batavia, Ohio. These were then scanned by lasers to help the steel fabricators create accurate full-scale components. The U.S. industry is also represented by the National Association of Pipe Fabricators. The firm was renamed Coast Steel Fabricators Limited in 1952. Several Corvair-powered motorcycles have been built by individual fabricators and bike shops.