Separation Processes, Inc. Employee Directory
Civil EngineeringCalifornia, United States2-10 Employees
Separation Processes, Inc. (SPI) is a civil engineering consultancy based in Carlsbad, California, founded in 1980. The firm specializes in applying membrane technology and related advanced processes to water and wastewater treatment, offering services across project stages from pilot studies and planning to design, construction administration, and operations documentation. Its client base includes public and private agencies seeking reliable, high-quality engineering support aimed at optimizing treatment processes and monitoring performance. SPI emphasizes excellence in its work and is positioned within the water treatment sector as a specialist in filtration and membrane-based solutions, drawing on extensive experience to support project success. The company operates with a small team and maintains an international scope through its engineering expertise and project delivery capabilities. There was a recent note of industry context listing peer firms in the water technology space, underscoring SPI’s focused positioning among other established players in membrane and advanced water treatment technologies.