Southwest Plastics Co. is a plastic injection molding service located in Glendora, California. The company specializes in delivering precise and reliable molding solutions tailored to meet the needs of various industries. Serving clients throughout the 91741 area, Southwest Plastics Co. provides expertise in producing high-quality plastic components using advanced injection molding techniques.
The facility in Glendora is equipped to handle a wide range of plastic materials and project sizes, accommodating both small runs and larger production volumes. The company’s focus on maintaining tight tolerances and consistent part quality makes it a valuable partner for businesses requiring durable and accurately manufactured plastic parts. Their operations emphasize efficiency and attention to detail, ensuring each product meets client specifications.
Southwest Plastics Co. works closely with customers to develop customized molding processes that optimize production timelines and material usage. The company’s team understands the complexities involved in plastic injection molding and applies industry best practices to support product development, prototyping, and full-scale manufacturing. This approach helps clients bring their designs to fruition while addressing challenges related to plastic processing.
Located in the heart of Glendora, Southwest Plastics Co. continues to support the regional manufacturing community by providing dependable plastic injection molding services. Its commitment to technical proficiency and customer collaboration makes it a recognized resource for businesses seeking precise and efficient plastic part fabrication in California.


































