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.

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

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
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
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
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
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
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

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.

plastics
manufacturing
machinery
equipment
rep
used machinery
new machinery
territory
Southern California
Arizona
Company size: 2-10
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
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

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
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
Professional Plastics logo

Professional Plastics

🇺🇸 1810 E. Valencia Drive Fullerton, CA 92831, US

A 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.

plastics manufacturing
high-performance plastics
plastic sheets
plastic rods
plastic tubes
plastic films
thermoforming
injection molding
fabrication
distribution
specialty plastics
material solutions
Company size: 201-500
Founded: 1984
Coi Rubber Products, Inc. logo

Coi Rubber Products, Inc.

🇺🇸 19255 San Jose Avenue Unit D-1 City of Industry, California(CA) 91748, US

Specializing 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.

automotive
custom manufacturing
rubber products
plastic products
injection molding
compression molding
transfer molding
contract manufacturing
engineering support
value-added services
logistics
quality assurance
Company size: 201-500
Founded: 2011
Boom Industrial, Inc logo

Boom Industrial, Inc

🇺🇸 2010 Wright Ave La Verne, California 91750, US

Boom 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.

plastics
manufacturing
rubber
custom products
injection molding
rubber molding
metal stamping
metal forging
machining
extrusion
bonding
Company size: 501-1000
Founded: 1996
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
Plastirey Containers Inc. logo

Plastirey Containers Inc.

🇺🇸 1555 S. Dupont #A Ontario, CA 91761, US

Plastirey 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.

packaging
containers
manufacturing
plastic bottles
plastic jars
plastic caps
flexible tubes
cosmetic packaging
pharmaceutical packaging
food packaging
mold making
decoration
Company size: 201-500
Founded: 1986
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
McNeal Enterprises, Inc. logo

McNeal Enterprises, Inc.

🇺🇸 2031 RINGWOOD AVE San Jose, California 95131, US

Specializing 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.

plastics
manufacturing
machining
thermoforming
welding
assembly
microfluidics
fluidics
medical
semiconductor
fabrication
retaining rings
Company size: 51-200
Founded: 1976
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

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