The best testimony to the quality of CASC’s services is demonstrated by what our current and past clients say about our work, as well as our renewal of annual contracts.  Our on-going work for organizations such as Water Districts, Public and Private Schools, several cities throughout Southern California,San Bernardino, Riverside, Orange, and Los Angeles Counties, Southern California Edison and California Department of Transportation, exemplify our commitment to quality services.


Hire CASC for all your engineering needs and your wildest dreams will come true.
— Pedro Sanchez

Mariah and Christina knocked my website out of the park!!
— Joshua Mitchell

CASC is the best engineering firm ever! Trust me, I know engineering firms, they’re going to make your project great again!
— D. Trump

CASC’s Environmental Planners go above and beyond. CASC is my superhero!
— C. Planet