Struggling to find the perfect plastic mold manufacturer for your next project? You’re not alone! With so many factories out there, it’s tough to know who truly delivers on quality, speed, and cost. Choosing the right supplier can make all the difference—think smoother production, fewer headaches, and products you can be proud of. Ready to discover the best in the business? Dive into our comparison and find your ideal manufacturing partner today!

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Plastic Injection Molding – Full-Service Custom Molding

Product Details:
Universal Plastic Mold (UPM) offers high tonnage custom and large part plastic injection molding services, including full-service program management, assembly, product distribution, logistics, packaging, warehousing, and direct shipping, serving businesses of all sizes and industries across the United States.

Technical Parameters:
– Injection molding machines ranging from 240 tons to 2,000 tons
– 24/7/365 full-operation facility with over 300 employees
– ISO 9001:2015 certified and ISO/TS 16949 compliant for quality management
– On-site warehousing and container loading/unloading capabilities

Application Scenarios:
– Manufacturing plastic components for automotive, consumer goods (e.g., toys,
– Creating prototypes for new plastic products
– End-to-end supply chain services including assembly, packaging, and logistics
– Just-in-time (JIT) inventory strategy implementation for clients with dynamic

Pros:
– One-stop, turnkey facility handling all stages from molding to shipping and
– Reduces overhead, cuts time to market, and improves product quality for clients
– Capabilities to handle large and custom parts for multiple industries
– ISO 9001:2015 and ISO/TS 16949 certifications guarantee consistent quality

Cons:
– May not be suitable for very small or low-volume plastic manufacturing projects
– Physical location and logistics may primarily serve US-based customers,

EVCO Plastics | Manufacturing & Injection Molding Company

Product Details:
EVCO Plastics is a manufacturing company specializing in plastic injection molding and related engineering services. They offer expertise in large parts, medical and healthcare products, plastic packaging, consumer products, and industrial products. Services include tooling & mold building, design for manufacturability, prototyping, metal to plastic conversion, contract manufacturing, and thin wall packaging.

Technical Parameters:
– Plastic injection molding including multi-shot, overmolding, insert molding,
– In-mold decorating & labeling, molded-in color, and UV coating as secondary
– Tooling and mold building capabilities, including stack molds
– Robotics & automation integrated in manufacturing processes

Application Scenarios:
– Manufacture of large plastic parts
– Medical and healthcare device components
– Plastic packaging including thin wall and returnable packaging
– Industrial and consumer product manufacturing

Pros:
– Comprehensive range of injection molding processes and secondary operations
– Expertise in both prototyping and high-volume manufacturing
– Ability to handle specialized molding such as LSR and multi-shot applications
– Integrated engineering services including design for manufacturability and

Cons:
– Specific technical specifications and tolerances are not provided in the
– No pricing details or comparative cost advantages disclosed

Top 10 Plastic Injection Mold Companies in the U.S. – IndustrySelect

Product Details:
Plastic injection molds and molded components, including customized molds, packaging for beauty, cosmetics, food & beverage, pharmaceutical uses, commercial towel and napkin dispensers, automotive parts, medical devices, components for aerospace and defense, and low-volume engineering prototypes.

Technical Parameters:
– Advanced techniques like pressure monitoring, laser scanning, and mold flow
– Capability for multi-cavity and precision molds
– In-house design and product development, including prototyping and tool design
– Injection and blow mold techniques, suitable for both high-volume and

Application Scenarios:
– Packaging for beauty, cosmetics, food, beverage, and pharmaceuticals
– Manufacturing of automotive parts and components
– Production of medical devices and aerospace/defense components
– Commercial and industrial product creation, including dispensers and

Pros:
– Strong focus on domestic production and distribution for improved reliability
– Ability to deliver customized, specialized molds using advanced analysis and
– Wide range of industry applications from packaging to defense and medical
– Options for both high-volume and low-volume production runs, supporting

Cons:
– Sector is relatively small and specialized, which may limit vendor options in
– Majority of activity and facilities concentrated in the Midwest, potentially

Precision Molds & Molded Products | PM Mold

Product Details:
PM Mold is a full-service mold manufacturer and plastic injection molder offering product development, design and engineering, custom mold making, injection molding, value-added services, and rapid prototyping. They specialize in high-tolerance, custom molds and molded products with capabilities ranging from prototypes to high-volume production.

Technical Parameters:
– Press sizing ranges from 28 Ton to 500 Ton.
– Facility with 43,000+ sqft dedicated to molding and molded products.
– Can manufacture molds up to 20,000 lbs.
– Handles a wide range of materials including ABS, acetal, acrylic, nylon,

Application Scenarios:
– Automotive and aerospace interior trim components
– Medical, electrical, and military parts
– Home appliance parts, dispenser selector panels, caps and closures
– Industrial equipment components and electronic connector parts

Pros:
– 50+ years of molding experience and products made in the USA since 1963
– Technically oriented with a focus on quality-driven processes
– Ability to support the entire plastics manufacturing process from product
– Offers rapid prototyping using 3D printing for faster product development and

Cons:
– Limited press size may not support extremely large components beyond 500 tons
– Specialization in certain industries may limit available solutions for niche or

Plastic Molding Manufacturing | High Volume Plastic Injection Molding

Product Details:
Plastic Molding MFG offers local manufacturing service solutions specializing in plastic injection molding, providing engineering, molding services, design & tooling, and quality control. They operate 4 plants equipped with over 100 presses and deliver precision parts for various industries, including medical devices produced in ISO Class 8 Cleanrooms.

Technical Parameters:
– 4 manufacturing plants
– 100+ injection molding presses
– ISO Class 8 Cleanroom for medical device manufacturing

Application Scenarios:
– Consumer products
– Medical device manufacturing
– Industrial components
– Defense and transportation sectors

Pros:
– Quick, efficient, and cost-effective local manufacturing solutions
– Expertise in creating complex parts from concept to completion
– Ability to optimize and improve product design for best results
– Meets stringent quality standards (ISO Class 8 Cleanroom for medical devices)

Cons:
– Limited information on potential minimum order size or capacity limits
– No detailed technical parameters about material types or tolerances provided

ISO 13485 Certified Injection Molding Company | Plastic Injection Molding

Product Details:
Seaway Plastics offers plastic injection molding services, including mold designing and tooling, thermoplastic and liquid silicone rubber (LSR) injection molding, cleanroom injection molding and assembly, low-to-mid volume molding, and post-molding operations. They support rapid production of molds with guidance on optimal materials and construction tailored to project specifications.

Technical Parameters:
– Ability to build all-aluminum molds, aluminum-and-steel combinations, or
– Experience processing over 700 resin types including Liquid Silicone Rubber
– ISO 13485 certified processes for quality management in medical device
– Cleanroom molding and assembly spaces available

Application Scenarios:
– Medical device manufacturing requiring ISO 13485 certification
– Aerospace and defense components production
– Consumer product plastics manufacturing
– Precision industrial plastic parts

Pros:
– Rapid mold production with engineering guidance for material and design
– Extensive experience with a wide range of resins and molding techniques
– Cleanroom facilities support high-purity applications (e.g., medical, pharma)
– ISO 13485 certification indicates high quality and regulatory compliance

Cons:
– No explicit mention of very high-volume (mass production) molding capabilities
– Limited details on specific capacity or maximum part size/tonnage

RSP, Inc.: Plastic Molding & Contract Manufacturing

Product Details:
RSP, Inc. is a full-service global contract manufacturer specializing in plastic molding, including the use of recycled ocean plastics and sustainable packaging. The company offers plastic injection molding, membrane switches, dome arrays, printed graphics, prototyping, rubber keypads, PCB assembly, CNC machining, product assembly, metal fabrication, wire harnesses, laser cutting, touchscreens, and turnkey contract manufacturing services. RSP also provides services such as engineering & product design, contract packaging, and warehousing & logistics.

Technical Parameters:
– Plastic injection molding capabilities
– Manufacturing with recycled ocean plastics and bioplastics
– CNC machining and metal fabrication
– PCB assembly and membrane switch production

Application Scenarios:
– Consumer products
– Medical device manufacturing
– Industrial and technology manufacturing
– Sustainable packaging and products utilizing ocean plastics

Pros:
– Ability to manufacture using recycled ocean plastics, supporting sustainability
– Turnkey and contract manufacturing solutions allowing customers to outsource
– Full suite of services including design, prototyping, manufacturing, packaging,
– Serves clients in over 40 countries, including US, China, Canada, Australia,

Cons:
– Limited information on specific technical tolerances or certifications provided
– Potential complexity due to wide range of offered services and industries,

Nicolet Plastics – Custom Injection Molding Manufacturer

Product Details:
Nicolet Plastics is a full-service custom injection molding manufacturer specializing in low-to-high-volume plastic injection molding, engineering and product support, value-added operations such as assembly and post-molding services, and additive manufacturing (3D printing) for both plastic and metal parts.

Technical Parameters:
– Injection molding machines ranging from 30 to 600 tons
– Specialized automated insert molding cells for dedicated production
– Capability for tight tolerance & micro molding
– Additive manufacturing with Carbon 3D plastic printing and Mantle 3D metal

Application Scenarios:
– Industrial parts manufacturing
– Medical device components
– Marine and aerospace products
– Consumer goods and packaging

Pros:
– Supports a wide range of volumes and part complexities
– Expert engineering and product launch support, including tooling and prototype
– Comprehensive post-molding operations such as assembly, pad printing, CNC
– Leverages advanced additive manufacturing technologies for rapid prototyping

Cons:
– High tooling costs are a challenge
– Potential for issues such as material degradation, mold wear, warpage, and

Custom Injection Molding | Pioneer Plastics

Product Details:
Pioneer Plastics offers custom injection molding services, specializing in the design and manufacture of plastic products such as collectible display cases, containers, trays, lab supplies, grids, and household plastic items. They are a veteran-owned business emphasizing quality, American-made solutions.

Application Scenarios:
– Display and storage of collectibles such as diecast models, sports memorabilia,
– Packaging for food items like candy and nuts
– Laboratory supply containers
– Household plastic components such as putty knives, cord grips, and caster wheels

Pros:
– Custom design and manufacturing capabilities to meet diverse client needs
– Wide range of product applications from collectibles to household and
– American-made, veteran-owned business, suggesting a focus on quality and

Plastic Injection Molding | Custom Molding Company | MSI

Product Details:
Custom plastic injection molds built in-house for producing high quality molded plastic parts, including both insert molds and free standing molds, with lifetime manufacturer warranty and full project support.

Technical Parameters:
– Insert molds: lead times from 5 to 15 days, low cost, suitable for small parts
– Free standing molds: lead times from 3 to 8 weeks, higher cost, suitable for
– Molds constructed using aircraft grade aluminum or hardened mold steels
– Tight manufacturing tolerances and modern CNC/EDM machining used for precision

Application Scenarios:
– Production of custom plastic parts for various industries requiring high
– Rapid prototyping and short-run manufacturing for small and medium parts (using
– High-volume or multi-cavity plastic part production (using free standing molds)
– Projects where single-source responsibility and USA-based manufacturing are

Pros:
– In-house mold design and manufacturing ensures high quality control and
– Lifetime warranty on mold production life for customer requirements
– Ability to choose between low-cost/fast lead insert molds and more robust free
– Consistent quality, fast communication, and reduced transportation costs by

Cons:
– High upfront investment required for mold construction
– Longer lead times and higher costs for large, complex, or multi-cavity free

Comparison Table

Company	Product Details	Pros	Cons	Website
Plastic Injection Molding – Full-Service Custom Molding	Universal Plastic Mold (UPM) offers high tonnage custom and large part plastic	One-stop, turnkey facility handling all stages from molding to shipping and	May not be suitable for very small or low-volume plastic manufacturing projects	www.upminc.com
EVCO Plastics	Manufacturing & Injection Molding Company	EVCO Plastics is a manufacturing company specializing in plastic injection	Comprehensive range of injection molding processes and secondary operations Expe	Specific technical specifications and tolerances are not provided in the
Top 10 Plastic Injection Mold Companies in the U.S. – IndustrySelect	Plastic injection molds and molded components, including customized molds,	Strong focus on domestic production and distribution for improved reliability	Sector is relatively small and specialized, which may limit vendor options in	www.industryselect.com
Precision Molds & Molded Products	PM Mold	PM Mold is a full-service mold manufacturer and plastic injection molder	50+ years of molding experience and products made in the USA since	Limited press size may not support extremely large components beyond 500
Plastic Molding Manufacturing	High Volume Plastic Injection Molding	Plastic Molding MFG offers local manufacturing service solutions specializing	Quick, efficient, and cost-effective local manufacturing solutions Expertise in	Limited information on potential minimum order size or capacity limits No
ISO 13485 Certified Injection Molding Company	Plastic Injection Molding	Seaway Plastics offers plastic injection molding services, including mold	Rapid mold production with engineering guidance for material and design	No explicit mention of very high-volume (mass production) molding
RSP, Inc.: Plastic Molding & Contract Manufacturing	RSP, Inc. is a full-service global contract manufacturer specializing in	Ability to manufacture using recycled ocean plastics, supporting sustainability	Limited information on specific technical tolerances or certifications provided	www.rspinc.com
Nicolet Plastics – Custom Injection Molding Manufacturer	Nicolet Plastics is a full-service custom injection molding manufacturer	Supports a wide range of volumes and part complexities Expert engineering and	High tooling costs are a challenge Potential for issues such as material	www.nicoletplastics.com
Custom Injection Molding	Pioneer Plastics	Pioneer Plastics offers custom injection molding services, specializing in the	Custom design and manufacturing capabilities to meet diverse client needs Wide
Plastic Injection Molding	Custom Molding Company	MSI	Custom plastic injection molds built in-house for producing high quality molded	In-house mold design and manufacturing ensures high quality control and

Frequently Asked Questions (FAQs)

How do I find reliable plastic mold manufacturers?
Start by searching industry directories, trade shows, and online platforms like Alibaba or ThomasNet. Read company profiles, check reviews, and ask for recommendations from industry networks. It’s also helpful to contact trade associations for reputable manufacturer lists.

What should I consider when evaluating a plastic mold factory?
Consider experience, certifications (such as ISO), production capacity, quality control processes, and past client feedback. Visiting the factory (or requesting a virtual tour) can help verify their capabilities and standards before partnering.

How can I compare quotes from different suppliers effectively?
Ensure each quote covers the same specifications, material quality, turnaround time, tooling costs, and after-sales support. Avoid choosing solely on price; analyze value, quality assurances, and long-term business potential.

What questions should I ask potential manufacturers?
Ask about their experience with your product type, minimum order quantities, lead times, sample process, quality control measures, and warranty terms. Also, inquire about communication practices and how they handle issues or modifications.

How do I ensure product quality from a new supplier?
Request samples or prototypes before committing to large orders. Confirm their quality assurance processes, certifications, and inspection reports. Regularly audit production, and set clear quality standards in your contract.