Arcosa Lightweight is the largest producer of rotary kiln expanded shale and clay lightweight aggregate in North America, with production facilities in California, Colorado, Texas, Louisiana, Indiana, Kentucky, Alabama and Arkansas. Arcosa Lightweight is uniquely situated to supply expanded shale and clay lightweight aggregate to markets in most of the 48 contiguous states. With plants located with access to America's extensive inland river system, as well as the nation's railroad network, Arcosa Lightweight is able to serve the construction industry from California to Virginia, and from Minnesota to Florida, and most points in between.