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.

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
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
DPI West logo

DPI West

🇺🇸 1333 Keystone Way Vista, California 92081, US

DPI West specializes in producing injection molds and molded plastic parts, focusing on complex engineering solutions for the medical, electronics, and consumer markets. Their commitment to exceeding customer requirements with timely delivery and competitive pricing sets them apart in the plastics manufacturing industry.

injection molding
plastics manufacturing
molded parts
engineering parts
medical devices
electronics components
consumer products
Company size: 51-200
Founded: 1980

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
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
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
MOS Plastics logo

MOS Plastics

🇺🇸 2308 Zanker Rd San Jose, California 95131, US

MOS Plastics specializes in custom injection molding and assembly for the medical device, life science, and hi-tech industries, offering precision molding of single, dual, and over-molded plastic parts. With a focus on turnkey solutions, it provides comprehensive services including tooling, prototypes, and contract manufacturing.

injection molding
plastics
medical devices
life sciences
diagnostics
pharmaceuticals
tooling
prototypes
assembly
contract manufacturing
Company size: 51-200
Founded: 1974

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
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
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
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

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
JATCO, Incorporated logo

JATCO, Incorporated

🇺🇸 4801 Stoddard Rd Modesto, California 95356, US

A global leader in plastic injection molding, specializing in value creation through innovative part design, tooling, and comprehensive warehousing and distribution services. The focus on advanced manufacturing techniques sets it apart in the plastics manufacturing industry.

plastic injection molding
part design
tooling
clean room
secondary operations
warehousing
distribution
Company size: 2-10
Founded: 1976
Precise Aerospace Manufacturing logo

Precise Aerospace Manufacturing

🇺🇸 224 Glider Circle Corona, California 92880, US

A leader in the Airlines and Aviation industry, Precise Aerospace Manufacturing specializes in close tolerance custom molding and CNC machining, offering innovative solutions for complex engineering resin projects across aerospace, defense, medical, and electronics sectors. Their status as an approved supplier for major OEMs and involvement in the NASA Space Shuttle Program underscores their commitment to quality and precision.

aerospace
injection molding
CNC machining
assembly
defense
electronics
medical
resin
thermoset
thermoplastic
manufacturing
engineering
Company size: 51-200
Founded: 1965
Cord Industries LLC logo

Cord Industries LLC

🇺🇸 541 Industrial Way Ste. 2

Specializing in high-quality molded components, this manufacturing entity has nearly 50 years of expertise in injection molding, offering a comprehensive range of services from design to production. Its unique approach combines in-house engineering and logistics solutions, catering to both start-ups and large enterprises.

mold making
injection molding
plastics
prototyping
mechanical engineering
chemical engineering
logistics
molded components
Company size: 11-50
Founded: 1975

B&H Engineering specializes in contract manufacturing of critical components for the medical, semiconductor, and flat panel industries, offering innovative services such as precision machining, metal spinning, and clean-room assembly. Their diverse capabilities, including special coatings and international outsourcing, position them as a key player in the appliances, electrical, and electronics manufacturing sector.

manufacturing
contract manufacturing
precision machining
sheet metal
metal spinning
electro-mechanical assembly
clean-room assembly
injection molding
cable assembly
coatings
medical components
semiconductor components
Company size: 11-50
Founded: 1972
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
HiTech Plastics and Molds logo

HiTech Plastics and Molds

🇺🇸 25620 Rye Canyon Rd Santa Clarita, California 91355, US

Specializing in thermoplastic injection molding, this manufacturer delivers high-quality, precision-engineered parts for diverse industries including aerospace, medical, and consumer goods. Known for its commitment to exceptional standards and customer service, it offers innovative solutions such as two-shot injection molding and in-mold decorating, all while maintaining competitive pricing.

injection molding
thermoplastics
aerospace
medical
irrigation
consumer goods
mold making
two-shot molding
in-mold decorating
insert molding
sustainable materials
Company size: 11-50
Founded: 1985
Cryogenic Systems & Parts logo

Cryogenic Systems & Parts

🇺🇸 3965 E. La Palma Avenue Anaheim, California 92807, US

Specializing in machinery manufacturing, this firm designs and produces highly efficient and durable cryogenic deflashing machines, leveraging over 30 years of expertise and cutting-edge technology. It stands out as the only manufacturer of such equipment approved by the U.S. government, ensuring exceptional quality and reliability for clients in the rubber and elastomer industries.

cryogenic
deflashing
machinery
manufacturing
elastomers
injection molding
extrusion molding
compression molding
precision engineering
equipment design
industrial machinery
Company size: 2-10
Founded: 1987
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
Onset Engineering Inc. logo

Onset Engineering Inc.

🇺🇸 25 Mauchly 328

Onset Engineering Inc. specializes in mechanical and industrial engineering, offering comprehensive services in engineering, 3D printing, and injection molding to facilitate the transition from product prototypes to full-scale manufacturing. With a strong focus on precision electronics manufacturing and compliance with rigorous industry standards, it provides innovative solutions for a variety of sectors, including aerospace and medical devices.

engineering
3D printing
injection molding
electronics manufacturing
cable assemblies
prototyping
medical devices
wire harness
mold tooling
aerospace harnesses
box builds
compliance
Company size: 2-10
Founded: 2016

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