Upland, California 91786
PTD, Inc.-Post Tension Design is a fully licensed company established in 1998 to serve San Diego, Riverside, San Benardino, Orange, Los Angeles, & Ventura Counties. We specialize in post-tension design and slab-on-grade foundations. We also offer design for expansive soils, settlement, mat slabs, PT repairs, and sport courts. Please call us today and give us the opportunity to assist you.