Top 22 Plastic Manufacturing Companies in California

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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.

K T Plastic Corp

🇺🇸 2321 Yates Ave Los Angeles, California 90040, US

K T Plastic Corp specializes in plastics manufacturing, focusing on innovative solutions and high-quality production processes to meet diverse industry needs.

plastics
manufacturing
polymers
extrusion
injection molding
materials
fabrication
thermoplastics
composites
recycling
Company size: 2-10

Geiger Plastics, Inc.

🇺🇸 16150 S Maple Ave Gardena, CA 90248, US

Geiger 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.

plastics
manufacturing
polymers
injection molding
extrusion
thermoforming
custom fabrication
materials science
product design
supply chain
Company size: 2-10
Hi-Rel Plastics & Molding, Inc. logo

Hi-Rel Plastics & Molding, Inc.

🇺🇸 7575 Jurupa Ave Riverside, CA 92504, US

Specializing 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.

plastics manufacturing
injection molding
blow molding
prototyping
mold making
clean room
micro molding
silicone molding
product assembly
CNC machining
thermoforming
custom packaging
Company size: 11-50
Founded: 1984
Santa Fe Machine Works, Inc. logo

Santa Fe Machine Works, Inc.

🇺🇸 14578 Rancho Vista Dr Fontana, California 92335, US

A 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.

industrial machinery
manufacturing
injection screws
extrusion screws
machine parts
plastic molding
extrusion equipment
valves
general machining
printing presses
Company size: 2-10
Founded: 1923
Merrill's Packaging logo

Merrill's Packaging

🇺🇸 1529 Rollins Road Burlingame, CA 94010, US

Merrill'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.

packaging
thermoforming
extrusion
injection molding
blow molding
medical device
clean room
tooling
design
Company size: 51-200
Founded: 1961
Marman Industries logo

Marman Industries

🇺🇸 1701 Earhart La Verne, California 91750, US

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.

injection molding
mold design
contract manufacturing
medical plastics
product development
precision manufacturing
healthcare industry
engineering services
Company size: 51-200
Founded: 1985
Plastic & Metal Center, Inc. logo

Plastic & Metal Center, Inc.

🇺🇸 23162 La Cadena Drive Laguna Hills, CA 92653, US

Specializing 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.

machining
injection molding
thermoforming
die cutting
medical
aerospace
military
packaging
assembly
testing
validation
product development
Company size: 11-50
Founded: 1993
Quality Plastics NZ logo

Quality Plastics NZ

🇺🇸 801 S PALM AVE ALHAMBRA, California 91803, US

A 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.

injection molding
plastic parts
custom components
manufacturing
plastics
molded products
quality assurance
Company size: 2-10
Central Plastics & Mfg logo

Central Plastics & Mfg

🇺🇸 1480 E Pescadero Ave Tracy, California 95304, US

Specializing 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.

plastics
manufacturing
injection molding
thermoforming
cleanroom
medical devices
aerospace
custom molding
prototyping
assembly
part decoration
sustainable molding
Company size: 51-200
California Quality Plastics logo

California Quality Plastics

🇺🇸 2226 S Castle Harbour Pl Ontario, California 91761, US

California 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.

plastics
manufacturing
materials
supply chain
custom molding
injection molding
extrusion
fabrication
product design
quality control
Company size: 11-50
Founded: 1978

Pipe King

🇺🇸 3290 Jefferson Blvd West Sacramento, CA 95691, US

Pipe King specializes in plastics manufacturing, focusing on innovative solutions for pipe production. Their unique approach emphasizes quality and efficiency, setting them apart in the industry.

plastics
manufacturing
extrusion
injection molding
fabrication
supply chain
materials
polymers
components
Company size: 2-10
TNT Plastic Molding Inc logo

TNT Plastic Molding Inc

🇺🇸 725 East Harrison Corona, California 92879, US

Specializing 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.

injection molding
plastics manufacturing
tool making
ultrasonic welding
elastomers
assembly
warehousing
robotics
program management
close tolerance
supplier development
Company size: 51-200
Founded: 1984
Master Plastics logo

Master Plastics

🇺🇸 Eubanks Drive Suite I

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.

plastic manufacturing
injection molding
custom molding
medical devices
industrial applications
Company size: 11-50
Founded: 1990
Kal Plastics logo

Kal Plastics

🇺🇸 2050 E 48th St Los Angeles, CA 90058, US

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.

plastics
manufacturing
thermoforming
vacuum forming
die cutting
prototyping
material handling
CNC trimming
fabrication
secondary operations
product development
tooling
Company size: 11-50
Wunder-mold Inc. logo

Wunder-mold Inc.

🇺🇸 790 Eubanks Dr Vacaville, California 95688, US

Wunder-Mold specializes in advanced technical ceramic and thermoplastic injection molding, offering customized components with a focus on precision and cost-effectiveness. With nearly 30 years of expertise, it is one of the few firms capable of ceramic injection molding, providing high-performance materials for demanding applications across various industries.

manufacturing
injection molding
ceramic
thermoplastic
alumina
zirconia
prototyping
precision
customization
aerospace
automotive
healthcare
Company size: 11-50
Founded: 1996

Ramko Injection

🇺🇸 3551 Tanya Ave Hemet, California 92545, US

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.

plastics
manufacturing
injection molding
assembly
Company size: 51-200

JG Plastics specializes in injection molded plastic products, focusing on innovative manufacturing techniques within the plastics industry.

injection molding
plastics
manufacturing
polymer
custom molding
thermoplastics
production
industrial design
Company size: 11-50
Concepts 2 Industries Inc. logo

Concepts 2 Industries Inc.

🇺🇸 2829 S Rodeo Gulch Rd # 6 Soquel, California 95073-2066, US

Specializing in custom thermoplastic injection molding, this manufacturer focuses on producing small precision components using engineering-grade materials, catering to industries such as telecommunications, medical, electronics, military, and hi-tech. Its innovative approach includes offering comprehensive services from tooling to assembly, ensuring tight tolerances and high-quality production.

plastics
manufacturing
injection molding
thermoplastics
precision components
engineering materials
tooling
assembly
secondary operations
telecommunications
medical devices
electronics
Company size: 2-10
Founded: 1990

Rob Wellington Quigley Faia

🇺🇸 416 13Th St San Diego, CA 92101, US

Rob Wellington Quigley Faia specializes in plastics manufacturing, focusing on innovative design and sustainable solutions within the industry.

plastics
manufacturing
materials
polymers
extrusion
injection molding
thermoforming
composites
recycling
fabrication
Company size: 11-50
LNS Technologies logo

LNS Technologies

🇺🇸 241 Kings Village Rd Scotts Valley, California 95066, US

LNS 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-SHOOTERâ„¢ Model 150A allows for quick prototyping and production using low-cost molds, significantly reducing turnaround times and costs for inventors and educational institutions.

plastic injection molding
prototyping
R&D
manufacturing
benchtop machine
small business
sample parts
education
CNC instruction
aluminum molds
epoxy molds
3D printing
Company size: 2-10
Founded: 2012
partZpro logo

partZpro

🇺🇸 8583 Irvine Center Drive 180 Irvine Irvine, California 92618, US

partZpro specializes in custom manufacturing solutions, offering services such as CNC machining, 3D printing, sheet metal fabrication, injection molding, and casting, catering to both prototype and production needs. Their innovative approach provides comprehensive capabilities for diverse industrial applications.

CNC machining
3D printing
sheet metal
injection molding
casting
custom manufacturing
prototyping
production
Company size: 2-10
RJC American Inc logo

RJC American Inc

🇺🇸 3731 W Warner Ave Santa Ana,CA92704 Los Angeles, California 92704, US

Specializing 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.

custom manufacturing
rapid prototyping
CNC machining
plastic injection mold
plastic injection molding
mold making
Company size: 2-10

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