Top 22 Plastic Manufacturing Companies in California

4 min read

Get started

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.

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
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
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
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
Domino Plastics Manufacturing, Inc. logo

Domino Plastics Manufacturing, Inc.

🇺🇸 601 Gateway Court Bakersfield, California 93307, US

Specializing in custom vinyl products and packaging solutions, this plastics manufacturing firm offers rapid design-to-production capabilities and an extensive range of services, including injection molding and die cutting. With a strong commitment to sustainability, it incorporates recycled materials into its product line while delivering innovative solutions tailored to industrial needs.

plastics manufacturing
custom packaging
vinyl products
injection molding
die cutting
recycling
rigid displays
plastic fabrication
archival storage
sustainability
packaging solutions
Company size: 11-50
Founded: 1972
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

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
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
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

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
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
Bio-Marine logo

Bio-Marine

🇺🇸 6116 La Salle Ave Suite 200

Bio-Marine specializes in the development of bio-renewable plastic additives that significantly reduce the reliance on petroleum-based plastics, offering a sustainable alternative derived from natural waste materials such as cast-off shells. By enabling manufacturers to replace 20% to 60% of conventional plastic with its innovative additive, Bio-Marine aims to minimize environmental impact and promote a more sustainable future.

bio-renewable
plastic additive
sustainable materials
waste reduction
carbon footprint
biodegradable
environmental impact
injection molding
extrusion
blow molding
natural resources
Company size: 2-10
Founded: 2017
Knightsbridge Plastics Inc. logo

Knightsbridge Plastics Inc.

🇺🇸 3075 Osgood Ct Fremont, California 94539, US

Knightsbridge Plastics specializes in precision plastic injection molding, offering in-house tooling and design capabilities for small to medium-sized tight tolerance parts. With the ability to manage production runs from one to a million parts, it stands out in the plastics manufacturing industry for its versatility and quality assurance.

plastics
manufacturing
injection molding
precision molding
tooling
design
quality assurance
tight tolerance
production runs
small parts
medium parts
Company size: 11-50
Lusida Products, Inc. logo

Lusida Products, Inc.

🇺🇸 3505 Hart Ave Suite 207

Lusida Products specializes in the manufacturing of rubber, plastic, and metal components, offering innovative solutions in metal fabrication, rubber molding, and plastic molding. With a strong commitment to excellence, it caters to diverse industries, including automotive and plumbing, by adapting to the evolving needs of its market.

manufacturing
rubber
plastic
metal
components
fabrication
molding
automotive
plumbing
hydraulics
Company size: 11-50
ENPLAS MICROTECH, INC logo

ENPLAS MICROTECH, INC

🇺🇸 3211 SCOTT BLVD Santa Clara, California 95054, US

Enplas Microtech specializes in precision plastic manufacturing, focusing on the development of injection molding plastic microfluidic devices for the life sciences and biomedical sectors. Its innovative engineering capabilities position it as a premier source for advanced microfluidic solutions.

plastics
manufacturing
injection molding
microfluidics
biomedical
life sciences
precision engineering
Company size: 2-10
Founded: 2013
JSN Industries Inc. logo

JSN Industries Inc.

🇺🇸 9700 Jeronimo Rd Irvine, California 92618, US

JSN Industries specializes in the manufacturing and decoration of plastic squeeze tubes for the cosmetic and health markets, offering innovative custom injection molding and a range of printing and labeling techniques, all proudly produced in the USA.

packaging
containers
cosmetic packaging
plastic tubes
injection molding
tube decoration
offset printing
silk screen
hot stamping
labeling
Company size: 51-200
Founded: 1984
Plastics Plus Technology, Inc. logo

Plastics Plus Technology, Inc.

🇺🇸 1495 Research Drive Redlands, CA 92374, US

Specializing in custom close-tolerance injection molding, this innovative player in the plastics manufacturing industry delivers high-quality, mission-critical components for sectors such as medical, automotive, and electronics. With a commitment to rigorous quality management and a comprehensive suite of services, it ensures streamlined supply-chain solutions tailored to meet diverse client needs while emphasizing reliability and performance.

plastics
injection molding
close-tolerance
high-volume
manufacturing
medical components
automotive components
gaming components
electronics components
quality management
supply-chain
CNC machining
Company size: 11-50
Founded: 1979
ARZ TECH INC logo

ARZ TECH INC

🇺🇸 1411 N Batavia St Ste. 110 Orange, California 92867, US

Specializing in plastics manufacturing, this firm offers contract manufacturing and supply chain management services, emphasizing a turnkey approach from product design to delivery. With ISO 9001:2008 certification and extensive experience in various molding techniques, it leverages facilities in Asia to provide high-quality products at competitive prices while ensuring U.S. standards.

contract manufacturing
supply chain management
plastic injection
biomedical equipment
automobile cables
turnkey assembly
multi-shot molding
vertical molding
horizontal molding
insert molding
over-molding
ISO certification
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
Microdyne Plastics, Inc. logo

Microdyne Plastics, Inc.

🇺🇸 1901 E. Cooley Drive Colton, California 92324, US

Microdyne Plastics specializes in innovative design and precision plastic molding services, focusing on injection and blow molded products for diverse markets, including medical devices and electronic components. With a commitment to high-quality manufacturing in the U.S.A., it offers a range of standard consumer containers alongside custom solutions.

plastic manufacturing
injection molding
blow molding
precision parts
contract manufacturing
medical devices
electronic components
consumer containers
design engineering
tooling
Company size: 51-200
Founded: 1975
Vip Rubber & Plastic Company logo

Vip Rubber & Plastic Company

🇺🇸 540 S Cypress St La Habra, CA 90631, US

A leading manufacturer in the plastics industry, specializing in custom rubber and plastic products, including extruded profiles, molded parts, and tubing. Known for high-quality standards and the ability to create tailored compounds, it serves diverse sectors such as aerospace, medical, and defense while adhering to stringent industry specifications.

rubber
plastic
extrusion
molding
sheeting
tubing
gaskets
aerospace
transportation
medical
defense
agriculture
Company size: 51-200
Founded: 1961

Updated on

Let our AI browse all websites for you

Save time, improve accuracy, and get ahead of the competition with Cenco.ai.

Get started

You might be interested in