PTI Sand & Gravel has been serving the construction industry of Southern California since 1948. We offer a wide range of competitively priced materials for your construction needs. Our dedicated transfer fleet covers Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura counties. A PTI driver KNOWS how important it is when you need material at 7:00 a.m. to be there at 7:00 a.m. Whether you require 6 tons or 600 tons, PTI's employees are dedicated to giving our customers fast and friendly service at the best price possible.