About Us

Lynwood Pattern Service, Inc.

LPS is a continuous growing aluminum foundry in Southern California, providing your needs for sand and permanent mold castings. We pay attention to the unique technical challenges and ensure quality products.

Our company was established in Lynwood, California in 1945.  We run green sand molding and over the years have expanded our core making capabilities as well as capacity to include shell core dry sand (no bake).
In 2019 Lynwood Pattern Service, Inc. had out grown it's current facility with the desire to serve more customers and moved to Ontario, California to a larger facility formaly known as Alum-Alloy Co.


Our History

  • 1945

    The Lynwood Pattern Service, Inc. was established.

  • 1961


  • 1975


  • 1980


  • 1985


  • 1988


  • 1996


  • 2000

    Move to Compton, California expanding it's facility capacity

  • 2018

    Expansion of the core shop department to include dry sand (no bake) and larger shell cores with 400 series shell core machine.

  • 2019

    Moved to Ontario, California
    Location of the former Alum-Alloy Co.