Free Consultations • Our Metals Library Dates Back to the 1940s

South Bay Bronze

(408) 947-0607

Hours of Operation:
Monday - Saturday, 6:00 a.m. - 9:00 p.m.

About Us

Your Resource for Cast Plaques & Prototypes in Los Banos, CA

South Bay Bronze originated from an old and respected foundry in San Francisco, California, that had been in operation since 1846. Called Kingwell Bros. Ltd., it was purchased and reformed by the current owner, Gil Hernandez, in 1983 to meet the needs of industrial, military, and metropolitan communities. Contact us to learn more about our cast plaques and prototypes in Los Banos, CA. 

As a full-service foundry, we have the resources necessary to provide you with all casting materials and metalworking services you require. Many industries rely on our facilities to meet their sculpting and manufacturing needs. Backed by more than 49 years of experience and a reputation for quality workmanship, you can count on us for superior service.

The Dependable Foundry for Metal Casting

Metal is a versatile material that can stand the test of time. Whether as a work of art or as a component of your next great innovation, this material works hard. Choose our company that brings out the full potential of your ideas. At South Bay Bronze, we’re dedicated to helping our clients meet their metalworking needs. As your source for casting work in San Jose, CA, we work hard to ensure you attain strong and picture-perfect results. 

We’re a foundry based in history, and we carry on a legacy of excellence in everything we do. By utilizing the latest technology and quality materials, our team turns your ideas into reality. Whether you are commissioning a custom plaque, work of art, or are designing a prototype, we’re here for you. 

Since our founding, we have been the premier provider of casts for the municipal industry, commercial industry, and sculpture clients. Our extensive experience allows you to feel confident in our ability to handle your metalworking projects with care and attention to detail. We construct products as simple as plaques or as complex as prototypes by utilizing our facilities.

About Our Processes

Always be sure to choose our experienced company. We’ve seen the industry change and grow over the years. While we adapt with the times, we understand that a commitment to quality and satisfaction remains constant. To that end, we make a point to prioritize the unique needs of every client--with each project. All metal casting work begins with a free consultation. We listen to your needs and project goals first and then make the appropriate recommendations. 

Metal casting is a staple in art and industry, and we’ve worked with many different clients over the years. Our metals library and portfolio date back to the 1940s. View our photo gallery to gain an idea of the wide range of work we have performed. Then, request a consultation with us to begin your casting project.

About the Owner

Gil Hernandez has been at the helm of development in foundry castings for Silicon Valley corporations since the 1960s. His prototypes include: 

  • HP-35 - HP's First Pocket Calculator
  • HP's Waveguides and Related Parts
  • Spectra-Physics Laser Scanner
  • NASA Shuttle Craft - Wind Test Bronze Models
  • Argo Systems - Deep Water Communications
  • IBM Computer Systems
  • Many More


With so many options for casting plaques and prototypes, it just makes sense to rely on South Bay Bronze, where we have the resources to provide you with the metalworking support you require. We have the knowledge and expertise to meet your specific metal casting needs. 

No matter how simple or complex your project is, we’ll go above and beyond to help you realize your vision. We welcome clients of all sizes, from individuals to large corporations. Place your trust in our full-service foundry for all quality metalworking.

Contact us to find out more about our cast plaques and prototypes services. We proudly serve clients in Los Banos, California, and the surrounding areas.