Ontario, California

Jensen Ontario, formerly Southwest Concrete Products/CalPortland, provides Southern California customers with sewer and storm drain manhole and drainage inlet products. This facility also specializes in small underground enclosures, including Brooks brand small box products. Jensen Ontario is accessibly located east of Los Angeles and Pasadena, and west of San Bernadino and Riverside on Benson Avenue.

Jensen Products Offered in Ontario, California

Underground Enclosures
Our Ontario facility manufactures high-quality small underground enclosures, commonly known as handholes. These enclosures provide secure access points for underground utilities, ensuring reliable protection for electrical, fiber optic, and telecommunication infrastructure. Our handholes are widely used in industries such as telecommunications, power distribution, and transportation, helping to safeguard critical connections while allowing for easy maintenance and system expansion.

Stormwater Management Products
Jensen Infrastructure in Ontario, CA produces sewer and storm drain manholes designed to facilitate access to underground water management systems. Built for long-term performance, our manholes are essential components in municipal wastewater systems, stormwater infrastructure, and industrial drainage applications. Utility companies, public works agencies, and construction contractors rely on our precast solutions for efficient water management.

Drainage Products
Our Ontario, CA facility also specializes in manufacturing durable drainage inlet products that efficiently capture and direct stormwater runoff into underground drainage systems. These products play a vital role in preventing flooding and erosion in urban developments, roadways, and commercial properties.

Frequently Asked Questions

Which industries use precast products from this facility? 

Our products serve industries including telecommunications, utilities, transportation, municipal infrastructure, and land development.

Can I pick up my order directly from the Ontario, CA facility? 

Yes, we offer pickup options for customers. Please contact us in advance to schedule an appointment and confirm product availability.

How can I get a quote for products from the Ontario facility? 

You can request a quote by contacting our Ontario team directly via phone or email, or by filling out our online request form.