QPC Data Systems 1261 Puerta Del Sol San Clemente , CA 92673 Services: Turn-Key commercial voice and data cabling services from planning, to installation, to testing & documentation. We are experts at fiber optics, structured cabling, and data center build-outs. Areas Covered: QPC’s primary service area is Southern California (LA, Orange, San Diego, Riverside Counties) though we will travel further for larger and/or fiber optic projects.