The Top 32 Injection Molding Companies in California

Plastic injection molding companies in California offer a wide range of expertise and services for clients looking to produce high-quality plastic parts.

California is a hub of innovation and manufacturing, with countless industries relying on plastic injection molding for their production needs. From aerospace to automotive, medical to consumer goods, California houses a multitude of plastic injection molding companies that deliver exceptional quality and precision.

In this blog post, we will explore some of the top injection molding companies in the Golden State, highlighting their expertise, capabilities, and contributions to various industries. Whether you are looking for reliable partners or seeking insights into California’s thriving manufacturing scene, this post will provide valuable information about plastic injection molding companies in the state.

So let’s dive right in and discover what sets these California-based manufacturers apart from the competition!

Springboard

Company: springboardmfg.com

Facebook page: Facebook

Services:

• Precision plastic injection molding
• Innovative molding techniques
• Delivery of intricate plastic parts for critical applications
• Turnkey service from design to high volume production to delivery
• Engineering service to optimize product designs for performance and manufacturability

Springboard is a leading precision injection molding company in California. They specialize in delivering high-quality plastic parts using innovative molding techniques.

With their turnkey service and engineering expertise, Springboard offers complete support from design to production, making them the top choice for plastic injection molding in California.

JG Plastics

Contact phone: (714) 751-4266

Services:

• Precision injection molding
• Thermoset molding
• Micromolding
• Overmolding
• Design assistance and product development

JG Plastics is a well-established injection molding company based in Southern California that has been providing comprehensive services since 1975. With their state-of-the-art facility and experienced technicians, engineers, and toolmakers, they specialize in precision injection molding, thermoset molding, micromolding, and overmolding.

Offering design assistance and product development along with secondary operations such as sonic welding and pad printing, JG Plastics is committed to delivering innovative solutions of the highest quality to meet your specific plastic requirements.

Quality Plastics NZ

Contact phone: (626) 289-9248

Services:

• Injection molded plastic parts
• Complete injection molded plastic products
• Full service, single source provider
• Quality custom injected molded plastic components
• High level of versatility in meeting production requirements

Quality Plastics NZ is a leading plastic injection molding company located in Alhambra, California. With a strong commitment to honesty, integrity, and reliability, they provide high-quality custom injected molded plastic components and products.

Serving a wide range of customers from small startups to large multinational corporations, Quality Plastics NZ excels in meeting even the most challenging plastic injection molding production requirements.

Precision Molded Plastics Inc

Facebook page: Facebook

Services:

• Custom mold and tool building
• High volume injection molding
• Secondary operations, decorating, and assembly
• Reshoring assistance and easy mold transfers
• Certified quality management system

Precision Molded Plastics is an ISO certified injection molding company with over forty years of experience. They offer comprehensive plastics manufacturing, custom tooling and mold building, high volume injection molding, as well as secondary operations, decorating and assembly services.

With a focus on quality and customer service, Precision Molded Plastics has become a trusted supplier to Fortune 500 companies in various industries such as medical, aerospace, food and beverage, construction, agriculture and more.

Valencia Plastics Inc

Company: valenciaplastics.com

Services:

• Full-service plastic injection molding facility
• State-of-the-art equipment for tight tolerances on plastic parts
• In-house engineering staff using CAD software
• Wide range of knowledge on all current plastic resins available
• One-stop shop with in-house mold shop, assembly, and secondary operations

Valencia Plastics is a full-service plastic injection molding company that specializes in producing high-quality plastic parts. They have state-of-the-art equipment and the ability to maintain tight tolerances on molded parts.

With their in-house engineering staff, wide range of knowledge on plastic resins, and one-stop-shop capabilities, they are able to provide comprehensive solutions for all injection molding needs. Furthermore, Valencia Plastics is ISO 9001:2015 compliant, ensuring the highest quality parts for their customers.

They also offer assembly and secondary operations to meet specific requirements.

JATCO

Facebook page: Facebook

Services:

• Plastic injection molding
• Metal to plastic conversion
• Product(life) consulting
• Design services
• Warehousing and distribution solutions

JATCO Inc. Is a California-based plastic injection molding company that specializes in metal to plastic conversion.

They offer a comprehensive range of services including product consultation, design, production, warehousing, and distribution solutions. With their global leadership and focus on value creation, JATCO is a reliable one-stop shop for all types of projects in the industry.

Pacific Plastics

Services:

• Injection mold production
• Molded plastic parts production
• Complete design, tooling, and manufacturing services
• ISO 9001:2015 and ISO 13485:2016 certified facility
• Collaboration and shared capabilities with Diversified Plastics, Inc.

Pacific Plastics Injection Molding, a division of Diversified Plastics, Inc., is an ISO 9001:2015 and ISO 13485:2016 certified injection molding company. They specialize in producing custom injection molds and molded plastic parts that consistently exceed customer requirements.

With complete design, tooling, and manufacturing services, they offer great value and deliver on schedule.

Universal Plastic Mold

Contact phone: (888) 893-1587

Facebook page: Facebook

Services:

• Plastic injection molding service
• Turnkey manufacturing solution
• Product design
• Mold making
• Complex product assembly services

Universal Plastic Mold is an injection molding company with over 60 years of experience in plastic manufacturing. They specialize in creating high-quality and cost-effective parts through their plastic injection molding service.

Operating 24/7/365, they are committed to meeting deadlines and providing just-in-time supplies for businesses engaged in e-commerce. They offer a turnkey manufacturing solution that includes product design, mold building, shipping, complex product assembly services, mold making, and 3PL warehousing.

Providien Medical

Services:

• Medical Injection Molding for the healthcare industry
• ISO Class 8 Clean Room Molding
• Over Molding program
• Insert Molding
• Over-Molding/Micro Molding

Providien, located in Carlsbad, CA, is a globally recognized leader in the field of Medical Injection Molding for the healthcare industry. With a commitment to quality, advanced technology investments, and a team of expert professionals, Providien plays a crucial role in ensuring the success of your product.

Their 50,000 square-foot facility houses ISO Class 8 Clean Rooms with white room molding and a variety of presses capable of handling commodity and specialized resins.

Advance Plastics

Services:

• AS9100D Certified
• Custom Injection Molding
• Injection Molding Machines
• Lifetime Guarantee
• Tool Room On Site

This injection molding company is AS9100D Certified and specializes in custom injection molding. They offer production volumes, have a tool room on-site, and provide a lifetime guarantee on their products.

Morgan Industries Inc

Contact phone: (800) 222-6929

Services:

• Design and manufacture of efficient, low-volume injection molding equipment
• Specialization in the MORGAN-PRESS® injection molding system with numerous applications and advantages
• Ability to mold almost all thermoplastics quickly through streamlined setup and operations
• Catering to various industries such as medical, electrical, automotive, prototyping, and product design
• Fast turnaround times, prototype shot sizes up to 4 oz. by 6 cu. in., and reliable performance

Morgan Industries Inc. Is a Southern California-based company specializing in efficient, low-volume injection molding equipment.

Their key product, MORGAN-PRESS®, offers numerous advantages such as quick mold time setup and operations, the ability to mold almost all thermoplastics, and applications in various industries including medical, electrical, and automotive part production. With over 50 years of experience in perfecting their machines for optimal performance and reliability, Morgan Industries Inc.

Is the go-to choice for businesses looking to save money and time on their injection molding needs.

Xometry

Facebook page: Facebook

Services:

• Highly customized injection molding service
• On-demand prototype and production molding
• Expert consultation on each injection mold quote
• Project managers on every order
• Quality assurance with ISO 9001:2015 and AS9100D certified quality management system, ITAR registration, and options for inspections, hardware traceability, material certifications, and CoCs

Xometry injection molding is a leading provider of high-quality, customized injection molding services in California. With a customer-first approach, their skilled engineering team guides clients through the entire molding process, ensuring parts are molded to exact specifications without compromising on design.

Xometry’s expertise spans various industries and they offer expert consultation, project managers, and quality assurance to deliver top-notch parts on time.

SR Plastics

Company: srplasticsmolding.com

Contact phone: (951) 520-9486

Services:

• Precision injection molding services
• In-house engineering tool design
• Production and inspection of precision plastic products
• Secondary operations including over molding, sonic welding, hot stamping, decorative molding, secondary machining, and assemblies
• Customization and monitoring of production to meet specific client standards

SR Plastics is a Southern California-based precision injection molding company that specializes in the manufacture and production of high-quality plastic products. With their extensive expertise and in-house capabilities, including engineering tool design, production, inspection, and secondary operations such as over molding and sonic welding, SR Plastics ensures maximum efficiency and accuracy for their clients’ specific standards.

For more information on their secondary machining and assemblies capabilities, visit srmachining.com.

Cord Industries

Contact phone: (760) 728-4590

Services:

• Custom plastic injection molding
• Insert molding and over molding
• Product design, product prototypes, and mold design
• Assembly, packaging, and shipping
• In-house mold design, tool fabrication, and production tooling and fabrication with fast turnaround

Cord Industries is a custom plastic injection molding company that offers a comprehensive range of services, including mold design, tool fabrication, prototype development, and production tooling. With extensive experience in the field, Cord Industries is equipped to handle various scenarios encountered in injection molding.

They prioritize fast turnaround times for urgent tooling needs to ensure their clients can bring their plastic products to market quickly.

Foam Molders & Specialties

Contact phone: (800) 378-8987

Services:

• Mold manufacturing services for foam injection molding
• Custom foam parts manufacturing
• Reaction injection molding
• Rim injection molding
• Design and build services for custom foam injection molding projects

Foam Molders and Specialists in California is a leading foam molding company that offers mold manufacturing services for industrial and manufacturing applications. Their team has numerous in-house capabilities, including custom styrofoam molds, rim injection molding, and reaction injection molding.

With a focus on high-quality products and stellar service, they are dedicated to designing and building solutions that meet their customers’ exact specifications.

Petersen Plastic Injection Molding Corporation

Contact phone: (562) 404-3461

Facebook page: Facebook

Services:

• Precision injection molding of plastics
• Manufacturing of custom specific blended color concentrates
• Addition of additives, UV stabilizers, and flame retardants
• Design, development, and manufacturing guidance
• Efficient and on-time delivery of results

Petersen Molding Corporation is a prominent manufacturer in Los Angeles, California, specializing in injection molded plastics. With extensive expertise and capabilities, they excel in delivering efficient and timely results for projects of varying scales.

Their commitment to quality has been unwavering for over 70 years, providing clients with superior products at competitive prices.

MCA Molding Corp

Company: moldingcorp.com

Contact phone: (800) 634-3991

Services:

• In-house moldmaking: New molds / mold repairs / existing molds service.
• Full Service Injection Molding: Product Manufacturing.
• Complete Engineering Services: Design, Drawings, Prototyping.
• Insert molding: Plastic over metal.
• Overmolding: Plastic over plastic.

Molding Corporation of America (MCA) is a leading custom injection molding company, offering a wide range of services including in-house moldmaking, full-service injection molding, engineering services, insert molding, overmolding, and decorating. With its state-of-the-art equipment and highly trained staff, MCA is able to serve various markets such as aerospace, consumer goods, healthcare, automotive, electronics and more.

From designing and prototyping to producing high-quality plastic parts and finished products, MCA provides diverse rapid manufacturing solutions for critical applications.

Connekt LLC

Facebook page: Facebook

Services:

• High quality custom plastic injection molded part design
• Close-tolerance injection molding of all sized plastic parts
• Total concept solution from design to production, fulfillment, and packaging
• Material expertise with a wide range of commodity, engineering, and specialty plastics
• Worldwide manufacturer integration with advanced inspection systems and equipment

Connekt LLC is a trusted injection molding company specializing in the design and production of custom plastic parts. With expertise in close-tolerance molding, they offer a total concept solution from design to fulfillment.

Their team of engineers ensures high-quality molds and can recommend from a wide range of materials for various certifications. By integrating advanced inspection systems and additional support services, Connekt LLC guarantees precision, color, texture, and mechanical characteristics that meet customers’ specifications.

With multiple locations across the United States, they provide custom injection molding services with top-quality plastic to bring prototypes and designs to life.

Country Plastics

Company: countryplastics.net

Services:

• Injection mold design
• Custom plastic injection molding
• Secondary operations (sonic welding, CNC milling/CNC turning, pad printing, part assembly)
• Fulfillment and shipping services
• Commitment to high-quality products and long-term relationships with clients, employees, and suppliers

Country Plastics, Inc. Is a leading injection molding company located in Fresno and Visalia, California.

With ISO 9001:2015 registration and machines ranging from 110 to 400 U.S. Tons, they have the capabilities to produce precision plastic parts up to 60 oz.

Their strategic location in CA’s Central Valley allows for efficient fulfillment and shipping of products both within the United States and internationally. Committed to delivering high-quality products, Country Plastics focuses on developing long-term relationships with their clients, employees, and suppliers while striving for precision and innovation in everything they do.

Pro Mold, Inc

Company: cmtc.com

Facebook page: Facebook

Services:

• Custom Injection Molding: Small and Medium Parts, Engineering Plastics, Commodity Resins, Thermoplastic Elastomers, Insert Molding, Over Molding, Secondary Operations, Packaging
• Plastic Mold Making Services: Class 101-104, Family Molds, Aluminum Molds, Transfer Molds, Blow Molds, Inserts Only, Hot Runners, Compression Molds, Liquid Silicone Molds, Injection Blow Molds
• Plastic Mold Design Engineering: Mold Design, Product Design, Materials Selection, CNC Programming, Engineering Changes, Trouble Shooting, Reverse Engineering
• Tooling Needs: Fully staffed tool room to supply any tooling needs
• In-house Engineering Support: Assistance with part and mold design, and material selection

Pro Mold, Inc. Is a reputable injection molding company that specializes in custom injection molding and manufacturing of molds for the plastics and rubber industry.

Their well-equipped facility includes a fully staffed tool room to meet any tooling needs, an in-house engineering team to assist with part and mold design, as well as material selection. With their extensive range of services including plastic mold making and design engineering, Pro Mold is able to cater to various customer requirements efficiently.

Crown Plastics

Company: crown-plastics.com

Contact phone: (800) 214-8600

Services:

• Custom plastic injection molding for short and moderate production runs
• Over molding and insert molding capabilities
• In-house state-of-the-art tool room for mold tooling
• Assembly and distribution services including custom packaging, drilling and tapping, painting and shielding, hot stamping, pad printing, threaded inserts, and ultrasonic welding
• Full turnkey solutions for comprehensive project management

Crown Manufacturing is an injection molding company with a comprehensive range of services. They have extensive expertise in custom plastic injection-molding and offer support throughout every stage of the mold-making process.

Crown provides value-added capabilities such as assembly, distribution, and various finishing techniques to meet all customer needs in one place.

Medway Plastics

Facebook page: Facebook

Services:

• Injection molding services in California and Texas
• Custom injection molding
• High-quality plastic parts production
• Expertise in various industries
• Dedicated customer support

Medway Plastics Corporation is a custom injection molding company with locations in California and Texas. They offer services in both regions, with offices in Long Beach, CA and Round Rock, Austin, TX.

With a focus on quality and customer satisfaction, Medway Plastics provides expert injection molding solutions for a wide range of industries. Contact them for more information via phone at (562) 630-1175 or email.

California Sealing Solutions

Contact phone: (949) 655-1007

Services:

• Custom injection molding
• Secondary operations (ultrasonic welding, milling, drilling and tapping, heat staking, painting, and hot stamping)
• Gas assist molding for hollow parts
• Insert molding with both vertical and horizontal press configurations
• Leveraging leading-edge technologies for efficient and scalable manufacturing processes

CSS, Inc is an injection molding company that offers efficient and scalable manufacturing processes using leading-edge technologies. Along with custom molding, they provide secondary operations such as ultrasonic welding, milling, drilling and tapping, heat staking, painting, and hot stamping to further enhance the value of their services.

They specialize in gas assist molding for hollow parts to improve appearance and eliminate sink marks, and also offer insert molding for components utilizing metal or plastic parts placed in the mold prior to injection.

Westec Plastics

Services:

• Custom plastic injection molding services
• Tight tolerance mold manufacturing and production
• Engineering design support for concept to design projects
• Full-service tool room for mold design, prototypes, and manufacturing
• Real Time Monitoring System for tracking mold performance and efficiency during production

Westec Plastics Corporation is a leading injection molding company with over 50 years of experience in the industry. Based in Livermore, CA, they specialize in tight tolerance mold manufacturing and production, providing top-quality custom plastic injection molding services.

With a dedicated engineering design team and a full-service tool room, Westec offers comprehensive support from concept to design. They have state-of-the-art injection molding machines integrated into their Real Time Monitoring System for efficient production and also provide ISO Class 8 clean room facilities for medical and other applications requiring high cleanliness standards.

I.G.S. Molding

Company: igsmolding.com

Services:

• Plastic manufacturing and injection molding
• Tooling and fabrication
• Assembly services
• Third-party logistics
• Mold repair and services

With over 10+ years of experience, this minority female-owned and operated injection molding company specializes in eco-friendly innovative plastic solutions. They focus on sustainable product innovation and the manufacturing of proprietary biopolymer resins, supporting a green planet.

Their services include plastic injection molding, tooling and fabrication, assembly services, third party logistics, project management, mold repair, and more. They serve various industries including healthcare (consumer healthcare, diagnostics, biopharma), automotive (engine parts, interior components), consumer goods (food and beverage, personal care), commercial products (tooling technologies), among others.

Contact them at (562) 801-3522 or [email protected] for more information or to request a quote.

Jet Mold Products

Facebook page: Facebook

Services:

• Custom plastic injection molding prototyping and tooling
• Sonic welding
• CNC milling and turning
• Pad printing
• Plastic injection molding projects of any scope

Jet Mold Products is a trusted injection molding company in California with over three decades of experience. They offer a range of plastic injection molding services, including sonic welding, CNC milling and turning, and pad printing.

Whether you have small or large production runs, Jet Mold Products welcomes all kinds of plastic injection molding projects. Contact their friendly and knowledgeable team at 559-276-1716 for any inquiries or for a free quote on their services.

AAIMS

Contact phone: (254) 535-2419

Services:

• Free engineering evaluation for bringing ideas
• Start to finish support in design using Fusion, SolidWorks, and AutoDesk
• Tooling services including preventative maintenance, maintenance programs, project management, mold sampling, and mold design
• Manufacturing capabilities with press sizes ranging from 55 to 500-tons, short and long runs, engineered resins, and short lead times
• Automation services to enhance efficiency and productivity
• Quality control measures with a dedicated quality assurance team, ANSI/ASQ Z1.4 AQL lot sampling, capability studies, and CMM analysis

AAIMS is an injection molding company that offers free engineering evaluations for bringing ideas to life. With expertise in design using software like Fusion, SolidWorks, and AutoDesk, they provide start-to-finish support from conceptualization to mold design.

They specialize in manufacturing with press sizes ranging from 55 to 500-tons, offering short lead times for both short and long runs while using engineered resins. AAIMS emphasizes automation and quality control through dedicated teams and ANSI/ASQ Z1.4 AQL Lot Sampling methods for accurate capability studies and CMM analysis.

Acorn-GenCon Plastics

Services:

• Solutions Design and Engineering
• Equipment Manufacturing Capabilities
• Quality Control
• Resin Mold Shrink Rate
• Mold Classifications

This injection molding company offers solutions in design and engineering, equipment manufacturing capabilities, quality control, resin mold shrink rate calculations, and various mold classifications. They also provide tooling services with real-time production monitoring through IQMS software.

The company keeps clients informed about news updates such as merger and acquisition opportunities.

Pro Mold

Company: promoldincsocal.com

Contact phone: (951) 776-0555

Services:

• Custom Injection Molding for small and medium-sized parts
• Insert Molding and Over Molding
• Secondary Operations and Packaging
• Mold Design and Product Design
• Materials Selection and Engineering Changes

This injection molding company specializes in custom manufacturing of small and medium-sized parts using a variety of materials such as engineering plastics, commodity resins, and thermoplastic elastomers. They offer services such as insert molding, over molding, secondary operations, packaging, mold design, product design, materials selection, CNC programming, engineering changes troubleshooting, and reverse engineering.

With a fully staffed tool room and an in-house engineering team available to assist with part and mold design as well as material selection needs.

Nicolet Plastics

Contact phone: (715) 276-4200

Facebook page: Facebook

Services:

• Full-service custom injection molding
• Quality engineering
• Partnering with customers to provide differentiated service
• Creating better plastic parts according to customer needs and preferences
• Involving clients in the project to ensure desired results

Nicolet Plastics is an award-winning plastic injection molding company that specializes in custom injection molding. With their exceptional skills and expertise, they create high-quality plastic parts tailored to their customers’ specific needs and preferences.

They offer a full-service approach, working closely with clients throughout the entire process to ensure desired results.

PRe Plastics, Inc

Services:

• Full-service custom plastic injection molding
• Design assistance for unique and marketable features
• Engineering from idea to completed assembly
• Rapid prototyping with in-house FDM Machine and CNC machining
• Hundreds of client and PRe Plastics patents in the U.S. and International Markets

PRe Plastics is an ISO 9001:2015 certified injection molding company that specializes in helping customers bring their ideas to life. With a full range of services, including design assistance, prototyping, mold construction, and plastic part manufacturing, PRe Plastics works closely with clients to create unique and marketable products while reducing manufacturing costs.

Their expertise in plastic product design and engineering ensures efficient production from concept to final assembly.

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