Blackwell Plastics partners with OEM manufacturers and sub-tier suppliers in the San Antonio and Central Texas region to provide plastic injection molding and plastic extrusion of engineering grade resins that satisfy demanding industrial applications. We support San Antonio manufacturing and are members of the San Antonio Manufacturers Association. Blackwell Plastics supports plastic injection molding and plastic extrusion projects from design to manufacturing and fulfillment.
Our project engineers provide assistance in product design, material selection and tooling. Blackwell Plastics has full service in house plastic injection mold and plastic extrusion die building capabilities. Injection molding and extrusion are supported by an extensive secondary operations group that provides plastics machining, welding, heat staking, inserts and mechanical assembly.
Blackwell Plastics supports San Antonio customers through Kan Ban and managed inventory service. Blackwell Plastics Operations follows the guidelines of ISO 9001 2008.






