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Pacific Southwest Industries

Pacific Southwest Industries has been offering engineering services and supplying pumps and systems to the plumbing and construction community since 1978. We specialize in supplying custom built pre-packaged lift stations, pressure booster systems, and rain water harvest systems for commercial and residential applications: custom homes, tenant improvements, building additions, big box super centers, and more. 


Whether you need a small sump pump or a complete lift station, we can design and deliver a complete custom pump system for your specific application.


A Better Process for engineers/contractors/developers. Click to learn more>

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We have been dealing with Pacific Southwest Industries for over 20 years. The products, craftsmanship and knowledge, is second to none.

We only use Pacific Southwest Industries, we have tried others and they don’t compare.

Plumbing Dynamics


Extremely knowledgeable and helpful team. the only company I go to for all our pump needs for over 6 years.

Echo Plumbing


Toal Engineering, Inc. has had the pleasure of working with Pacific Southwest Industries (PSI) for over 15 years on numerous projects throughout southern California. The staff is courteous, well informed, and available when you need them. Their expertise and their prompt, efficient, and comprehensive service make them an invaluable resource for our company for the design and installation of stormwater and water distribution pump systems.


Toal Engineering


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