We can help take your product from CAD drawing to physical production
Our experienced team of plastic parts manufacturing specialists will take your product from initial CAD drawing to final delivery with innovative design, superior precision, and guaranteed accuracy. View the video below to get a glimpse of the dedicated team and supportive company culture at PEP.
Who We Are & What We Do
Founded in 1981, PEP has been an industry leader in custom plastic injection molding in the Greater Los Angeles area for over 40 years. With extensive experience in manufacturing high-quality custom plastic parts, the team at PEP remains dedicated to providing superior customer service and establishing long-lasting client relationships built on trust and integrity.
PEP is an AS9100D & ISO 9001:2015 , ITAR and FDA Certified Company, with the in-house capacity to manage every aspect of the custom plastic injection molding process. With application of highly technical scientific developments and advanced plastic parts manufacturing methods, we provide innovative engineering and design concepts that are both efficient and cost-effective for small volume and large volume production.
Experience The Best Custom Injection Molding Service In Pomona, CA
With 40 years of experience in the custom plastic parts manufacturing industry, our dedicated team will exceed your expectations with a unique combination of exceptional quality and competitive pricing. PEP will take your product from concept to completion, while remaining on time and on budget.
Our Services
Whether you are looking for low volume production, high volume production, or sample runs for product prototypes, we have the custom injection molding capacity to get the job done on time and on budget.
Industries
Our Valuable Customers









Our Certifications



Plastic Injection Molding Capabilities
Industries target | Aerospace , Medical , Automotive , Defense , Electronic , Consumer , Industrial. |
Material Expertise | PEEK, ABS , Acetyl , Acrylic , Copolymer Polypropylene , HDPE/LDPE , Nylon , PEEK , Vectra , PET , Polycarbonate , Polyester , Polypropylene , Polystyrene , Polyurethane , ULTEM , Liquid Crystal Polymers |
Product Capabilities | Large Size parts, Medium-sized parts , Micro parts , Miniature parts , Small-sized parts. |
Services | Insert Molding , Over Molding, assembly , Mold Making , Kanban Program , Inventory Managed Shipment, Printing or decorating. |
Production Volume | Low Volume , Small Runs , High Volume , Large Runs , Sample Runs |
File Formats | AutoCAD (DWG) , STEP , UG , IGES , JPEG or JEPG , PDF , Solid Works (SLDPRT, SLDDRW, SLDDRT) |
Shot Size | 56g (min) – 4564.27g (max) |
Clamping Force | 38 tons (min) – 880 tons (max) |
Number of Cavities | 1 cavity (min) –48 cavities (max) |
Tolerance (+/-) | Down to 0.0001 in. |
PEP is dedicated to high-quality production of your products from design to delivery.
Contact our experts to help bring your idea to market efficiently & cost-effectively.