Trusted by data-driven investors
California's top 22 plastic manufacturing companies excel in diverse sectors such as aerospace, medical, and consumer goods. With specialties ranging from injection molding and thermoforming to advanced prototyping and sustainable materials, these firms leverage cutting-edge technologies and stringent industry standards. Highlights include Quality Plastics NZ's custom components, TNT Plastic Molding's large tonnage capabilities, and Bio-Marine's eco-friendly solutions, all strategically located across California to meet industry demands efficiently.
Hi-Rel Plastics & Molding, Inc.
🇺🇸 7575 Jurupa Ave Riverside, CA 92504, USSpecializing in custom plastic injection and blow molded products, this manufacturer offers a comprehensive range of services including design, engineering, mold making, and product assembly. With certifications in ISO 9001:2015 and AS 9100 Rev D, it features advanced capabilities such as clean room molding and rapid prototyping, setting it apart in the plastics manufacturing industry.
Santa Fe Machine Works, Inc.
🇺🇸 14578 Rancho Vista Dr Fontana, California 92335, USA world-leading manufacturer in the industrial machinery sector, specializing in the production and repair of injection and extrusion screws, barrels, and valves for printing presses and plastic molding equipment. Known for its innovative Posi-Melt custom injection screws and a comprehensive range of machine parts, it caters to diverse industrial needs.
K T Plastic Corp
🇺🇸 2321 Yates Ave Los Angeles, California 90040, USK T Plastic Corp specializes in plastics manufacturing, focusing on innovative solutions and high-quality production processes to meet diverse industry needs.
Geiger Plastics, Inc.
🇺🇸 16150 S Maple Ave Gardena, CA 90248, USGeiger Plastics, Inc. specializes in plastics manufacturing, focusing on innovative solutions and high-quality production processes to meet diverse industry needs. Their commitment to excellence positions them as a leader in the plastics sector.
Master Plastics specializes in custom plastic injection molding, focusing on innovative solutions for the medical device and industrial sectors. Their expertise in tailored manufacturing processes sets them apart in the plastics manufacturing industry.
Quality Plastics NZ
🇺🇸 801 S PALM AVE ALHAMBRA, California 91803, USA leading provider in the plastics manufacturing industry, this firm specializes in injection molded plastic parts and complete products, offering a full-service, single-source solution for custom components. Their focus on quality and comprehensive service sets them apart in the market.
TNT Plastic Molding Inc
🇺🇸 725 East Harrison Corona, California 92879, USSpecializing in high-quality plastic injection molding and tool making, this ISO9001-certified manufacturer offers a comprehensive range of services including ultrasonic welding, large tonnage molding, and full assembly capabilities. With over 43 years of experience, it leverages advanced technology and a full-service tool shop to deliver precision-engineered parts and assemblies.
A manufacturer specializing in precision plastic products for the medical device and healthcare industry, offering fully integrated services from product development to production, with a focus on quality and innovation. Their capabilities include advanced mold design, engineering, and ISO-certified injection molding processes.
Kal Plastics specializes in heavy gauge cut sheet thermoforming and contract manufacturing within the plastics manufacturing industry, offering high-quality material handling containers and a range of secondary operations. Their innovative vacuum forming process provides cost-effective solutions for prototyping and product development, delivering superior quality and durability compared to traditional manufacturing methods.
Euro-tec
Euro-tec specializes in the manufacturing and distribution of new and used plastic machinery, serving the plastics manufacturing industry. The focus on both new and used equipment offers clients a versatile approach to meet their machinery needs efficiently.
California Quality Plastics
🇺🇸 2226 S Castle Harbour Pl Ontario, California 91761, USCalifornia Quality Plastics specializes in plastics manufacturing, offering a comprehensive range of products to meet diverse plastic needs, positioning itself as a one-stop shop in the industry.
Merrill's Packaging
🇺🇸 1529 Rollins Road Burlingame, CA 94010, USMerrill's Packaging specializes in innovative packaging solutions, focusing on thermforming, extrusion, and injection molding, with a strong emphasis on medical device packaging and clean room manufacturing. With over 60 years of experience and ISO 13485 certification, it is recognized for its quality and excellence in the packaging and containers industry.
Ramko Injection specializes in plastic injection molding and assembly, offering innovative solutions in the plastics manufacturing industry. Their focus on precision and efficiency sets them apart in delivering high-quality plastic components.
RJC American Inc
🇺🇸 3731 W Warner Ave Santa Ana,CA92704 Los Angeles, California 92704, USSpecializing in industrial machinery manufacturing, RJC American Inc. offers innovative custom manufacturing services, rapid prototyping, and advanced CNC machining, alongside expertise in plastic injection molding and mold making.
Professional Plastics
🇺🇸 1810 E. Valencia Drive Fullerton, CA 92831, USA global leader in plastics manufacturing, this organization specializes in the fabrication and distribution of high-performance plastic materials, including sheets, rods, tubes, and films. With a focus on innovative material solutions and a robust network that combines local expertise with global reach, it offers a wide range of specialty plastics and fabrication services.
Coi Rubber Products, Inc.
🇺🇸 19255 San Jose Avenue Unit D-1 City of Industry, California(CA) 91748, USSpecializing in custom molded rubber and plastic components, this manufacturer employs injection and compression molding techniques while adhering to IATF 16949:2016 and ISO 9001:2015 standards. With a focus on in-house contract manufacturing and engineering support, it offers streamlined logistics and technical expertise, delivering high-quality products at cost-effective prices across various industries, including automotive and electronics.
Boom Industrial, Inc
🇺🇸 2010 Wright Ave La Verne, California 91750, USBoom Industrial specializes in the manufacturing of custom rubber, plastic, and metal products, leveraging ISO certifications to ensure quality and reliability. Their innovative approach focuses on providing tailored solutions to customer challenges, setting them apart in the plastics manufacturing industry.
Plastic & Metal Center, Inc.
🇺🇸 23162 La Cadena Drive Laguna Hills, CA 92653, USSpecializing in mechanical and industrial engineering, this firm offers a comprehensive range of services including machining, injection molding, and thermo vacuum forming, catering specifically to the medical, aerospace, and military sectors. With a focus on quality and compliance, it provides a one-stop shop for component needs, backed by ISO9000 certification and expertise in GMP medical production processes.
Plastirey Containers Inc.
🇺🇸 1555 S. Dupont #A Ontario, CA 91761, USPlastirey Containers Inc. specializes in the manufacturing of plastic packaging solutions, including bottles, jars, caps, and flexible tubes, primarily for the cosmetic, personal care, pharmaceutical, and food industries. The firm stands out with its in-house decoration capabilities and custom mold design, ensuring high-quality production that adheres to ISO9000 quality control standards.
Central Plastics & Mfg
🇺🇸 1480 E Pescadero Ave Tracy, California 95304, USSpecializing in precision injection molding and thermoforming, this innovative manufacturer serves diverse sectors including medical, aerospace, and electronics, offering a comprehensive range of custom plastic solutions. With a state-of-the-art facility and a commitment to quality, it stands out for its certifications and in-house capabilities, ensuring high standards and tailored services.
McNeal Enterprises, Inc.
🇺🇸 2031 RINGWOOD AVE San Jose, California 95131, USSpecializing in plastics manufacturing, McNeal Enterprises offers innovative solutions in plastic machining, thermoforming, and assembly, with a strong focus on the semiconductor, medical, and fluidics markets. The organization is distinguished by its ISO and FDA registrations, ensuring high-quality standards in its specialized products such as microfluidics and manifolds.
LNS Technologies
🇺🇸 241 Kings Village Rd Scotts Valley, California 95066, USLNS Technologies specializes in affordable benchtop plastic injection molding machines, enabling small businesses and home shops to produce a wide range of plastic products in-house. Their innovative PIM-SHOOTER™ Model 150A allows for quick prototyping and production using low-cost molds, significantly reducing turnaround times and costs for inventors and educational institutions.
Updated on
Let our AI browse all websites for you
Save time, improve accuracy, and get ahead of the competition with Cenco.ai.
Get startedYou might be interested in
Top Nuclear Energy Companies in the US
Explore the top nuclear energy companies in the US, focusing on investment insights and unique sector specializations for 2025.
Top 20 Aerospace and Defence companies in the US
Discover the top 20 aerospace and defense companies in the US, focusing on innovative solutions and investment strategies for industry professionals.
Top 27 Cruise Travel Agents
Discover the top 27 cruise travel agents in the U.S. offering specialized services for personalized cruise vacations in 2025.