Since 1974, SDE has been providing civil engineering, subsurface utility engineering, land planning, and survey and construction staking services for private development and public agencies including County of San Diego, Cities of Oceanside, San Diego, Del Mar, Poway, Encinitas and Oceanside, as well as SANDAG, NCTD, Sempra Energy/SDG&E, Otay Water District, San Diego County Regional Airport Authority and San Diego County Water Authority.


Rancho Valencia Resort and Spa The Bridges of Rancho Santa Fe Lennar Pechanga Casino Biolegend Sahm Family Foundation Greystar Raecorte Development, LLC. Calexico Megapark, LLC. Bodhi Hill Buddhist Center Cushman & Wakefield AECOM

DMW Associates, LLC. Scripps Health Goral Construction Schmidt Construction Emilio & Sons, Inc. Sharratt Construction, Inc. Manna Development Delawie Stantec Scripps Family Dexter Wilson Engineering, Inc.


City of Encinitas City of Solana Beach City of San Diego Dudek Parsons Kleinfelder HDR Engineering, Inc. AECOM Dokken Engineering Kimley Horn SDG&E City of Carlsbad City of Poway City of Del Mar Otay Water District TC Construction Mid Coast Transit Constructors