Plastic Injection Molding locations near Upland, CA

Showing 1–10 of 10 results

Upland, CA has 10 plastic injection molding listings across 4 ZIP codes. Details on this page were last refreshed Sep 2026.

Updated Aug 2026

Precision Molded Plastics, Inc.

📍 880 W 9th St, Upland, CA, 91786

📞 909-981-9662

🌐 www.precisionmoldedplastics.com

Precision Molded Plastics is a high-volume, custom injection molding company. We design, manufacture, assemble & package a wide variety of products.

Accellent

📍 2052 W 11th St, Upland, CA, 91786

📞 909-982-1025

🌐 accellent.com

Updated Sep 2026

Custom Plastics

📍 1305 Brooks St, Ontario, CA, 91762

📞 909-984-0200

🌐 spinwelding.com

Custom Plastics is a plastic injection molding company located in Ontario, California. It specializes in manufacturing custom plastic parts for various industries. The business has shown recent online activity, indicating it is operational and engaged with its clientele.

Eagle Products

📍 10811 Fremont Ave, Ontario, CA, 91762

📞 909-465-1548

🌐 eagletshirts.com

Honor Plastics

📍 730 E Francis St, Ontario, CA, 91761

📞 909-923-9710

🌐 honorplastics.com

Plasthec Molding Inc.

📍 1945 S Grove Ave, Ontario, CA, 91761

📞 909-673-1795

🌐 plasthec.com

Allied Hydraulic Services Inc.

📍 1490 Vineyard Ave, Ontario, CA, 91761

📞 800-947-1418

🌐 www.alliedhydraulics.net

Allied Hydraulic Services Incorporated is your one stop for hydraulic repairs and replacement shop. For over 18 years, we have served the plastic injection

Updated Aug 2026

Mission Plastics

📍 1930 S Parco Ave, Ontario, CA, 91761

📞 909-947-7287

🌐 missionplastics.com

Mission Plastics is a plastic injection molding company located in Ontario, California. It has a recent online presence as of 2025, indicating active engagement in the industry. The company specializes in manufacturing plastic components for various applications.

Pyramid Mold & Tool

📍 10155 Sharon Cir, Rancho Cucamonga, CA, 91730

📞 909-476-2555

🌐 pyramidmold.net

Reyrich Plastics Inc

📍 9546 Commerce Center Dr, Rancho Cucamonga, CA, 91730

📞 909-484-8444