Plastics Manufacturing in the Pasadena Region
Pasadena businesses in healthcare, research, food service, retail and consumer products depend on plastic components and packaging. The broader Los Angeles area is one of the largest manufacturing regions in the United States, with injection molders, film producers, packaging companies and recyclers serving companies of every size.
Plastic manufacturers offer services including injection molding, extrusion, thermoforming, rotational molding, prototyping and recycled resin production. With California's strong focus on sustainability, many are also investing in recycled content and circular manufacturing.
How We Evaluated Plastic Manufacturers
We considered manufacturing capabilities, quality systems, sustainability initiatives, reputation, production scale and accessibility for Pasadena-area businesses.
The 10 Best Plastic Manufacturers Serving Pasadena
1. Rehrig Pacific Company
Based in Los Angeles, Rehrig Pacific manufactures reusable plastic crates, pallets, carts and waste containers, and it is known for durable products used in beverage, grocery and waste management industries.
2. Crown Poly
Crown Poly is a Southern California manufacturer of plastic bags and film products, including innovative dispensing systems used in grocery stores.
3. Berry Global
Berry Global is one of the largest plastic packaging manufacturers in the world, with California operations producing containers, closures and films.
4. Amcor
Amcor is a global packaging leader producing flexible and rigid plastic packaging and investing heavily in recyclable and reusable designs.
5. Pactiv Evergreen
Pactiv Evergreen produces food service and food packaging products, supplying restaurants, grocery stores and food processors across Southern California.
6. Sealed Air
Sealed Air manufactures protective and food packaging solutions, including well-known cushioning materials used in shipping and logistics.
7. Protolabs
Protolabs provides rapid injection molding, CNC machining and 3D printing. Pasadena engineers and startups use its digital quoting and fast turnaround for prototypes and low-volume production.
8. Xometry
Xometry operates a manufacturing marketplace connecting customers with a network of manufacturers offering injection molding, machining and additive manufacturing.
9. Envision Plastics
Envision Plastics produces recycled plastic resins in Southern California, supplying brands seeking food-grade and post-consumer recycled content.
10. rPlanet Earth
rPlanet Earth operates a recycling and manufacturing facility in the Los Angeles area that converts used plastic bottles into new packaging, supporting a circular economy.
Sustainability and California Plastics Rules
California has adopted ambitious policies to reduce plastic waste, including requirements that single-use packaging become recyclable or compostable and minimum recycled content standards for many beverage containers. These rules are pushing manufacturers to redesign products, use more recycled material and invest in recycling infrastructure. Pasadena businesses selecting plastic suppliers should ask about recycled content options, recyclability of packaging designs and compliance with state requirements. Choosing the right partner can reduce environmental impact while preparing companies for future regulations.
Plastics in Healthcare and Research
Pasadena's hospitals, clinics and research laboratories rely heavily on specialized plastic products. Medical-grade plastics are used in syringes, tubing, diagnostic devices, sample containers and protective equipment. Research laboratories need precision labware and custom components that meet strict purity standards. Manufacturers serving these markets must maintain rigorous quality systems, cleanroom environments and full traceability of materials. For life sciences startups in Pasadena developing new devices or diagnostic tools, choosing a plastics partner experienced with medical regulations can shorten development time and support smoother regulatory approvals.
Working With a Plastics Partner
Successful plastics projects begin with close collaboration. Manufacturers can review designs for moldability, recommend materials and suggest changes to wall thickness, draft angles and ribs that improve part quality and reduce costs. Clear communication about tolerances, finishes, colors and testing requirements prevents surprises during production. Pasadena companies should request first-article inspection reports and plan for pilot runs before full production.
Plastics Industry Trends
Recycled content, lightweight packaging and reusable systems are major priorities. Advanced recycling technologies are being explored, and manufacturers are adopting digital design and rapid prototyping tools. Medical and laboratory plastics continue to grow, supporting Pasadena's healthcare and biotechnology sectors.
Frequently Asked Questions
What is the difference between injection molding and 3D printing?
Injection molding requires an upfront investment in tooling but produces large quantities of identical parts at a low cost per unit. 3D printing requires no tooling and is ideal for prototypes and small runs, but the cost per part is usually higher at scale.
How much does an injection mold cost?
Tooling costs vary widely depending on part size, complexity, material and expected production volume. Simple aluminum prototype molds cost far less than hardened steel production tools.
Can recycled plastic match virgin plastic quality?
For many applications, high-quality recycled resins perform very well, and food-grade recycled materials are increasingly available.
How do I protect my product design?
Use nondisclosure agreements, clarify tooling ownership in contracts and consider patent protection for novel designs.
Choosing a Plastic Manufacturer
Define your product specifications, volumes, materials and sustainability goals. Ask about tooling costs, lead times, quality certifications and recycled material options. A capable plastics partner helps Pasadena businesses deliver reliable products while meeting environmental expectations.