Ever wondered why some products shine with quality and consistency, while others fall short? For anyone sourcing custom plastic parts, choosing the right manufacturing partner is often the hidden difference. The best factories don’t just deliver products—they bring your designs to life, on time and on budget, without the stress. Curious which manufacturers truly stand out? Read on to discover the top custom plastic manufacturing factories and find out which one fits your needs best!
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The Leading Plastic Extrusion Company | Pexco
Product Details:
Pexco specializes in custom plastic extrusion solutions, offering a range of plastic components such as tubing, profiles, rods, rails, and custom parts for various industries including industrial, commercial, medical, and specialty markets.
Technical Parameters:
– Offers both standard and custom plastic extrusions, including single and
– Processes a variety of thermoplastic materials such as PVC, polycarbonate, ABS,
– Ability to produce extrusions up to 15 inches wide and tolerance capabilities
– Available secondary operations including drilling, notching, printing, heat
Application Scenarios:
– Aerospace and defense components
– Medical device tubing and profiles
– Lighting diffusers and channels for commercial lighting
– Industrial machine guards, trays, and custom OEM parts
Pros:
– Broad material expertise enables diverse application support
– Custom engineering and design support for product development
– Offers value-added secondary operations for turnkey solutions
– Ability to serve critical and regulated industries like medical and aerospace
Cons:
– Custom solutions may involve longer lead times compared to off-the-shelf
– Potentially higher costs associated with tooling and customization for small
Home | Custom Plastics Inc
Product Details:
Custom Plastics, Inc. manufactures plastic parts and assemblies through profile extrusion and injection molding. They offer fully integrated services including design, prototyping, assembly, printing, packaging, inventory management, and shipping. Their facility houses 20 extrusion lines and capabilities for advanced injection molding, supporting customers from OEMs in multiple industries.
Technical Parameters:
– Facility operates 20 extrusion machines/lines.
– On-time delivery rate of more than 98%.
– ISO-based quality management system.
– Ability to provide value-added services from design to shipping.
Application Scenarios:
– Production of custom plastic profiles and components for OEMs.
– Manufacturing plastic parts for assembly in a variety of industries.
– Full-service projects from concept, prototyping, production to delivery.
Pros:
– Comprehensive, one-stop facility for all stages of plastic part production.
– Experienced in both profile extrusion and injection molding since 1955.
– ISO-based quality assurance with a team dedicated to quality control.
– Proven track record with more than 98% on-time delivery.
Cons:
– No specific mention of capability for extremely large-volume or specialized
– Limited public detail on exact material types or part size ranges.
Custom Plastic Parts | Pioneer Plastics
Product Details:
Custom plastic parts manufacturing using injection molding, including rapid prototyping, design, mold building, production, inspection, and shipping. Specializes in custom components and replacement parts with turnkey solutions from concept to delivery. In-house engineering, tooling, and quality control for large-scale and specialized plastic parts.
Technical Parameters:
– Over 40 years of experience in custom plastic injection molding
– 25 modern plastic injection molding machines with clamp forces ranging from
– 50,000+ square foot production and distribution facility centrally located in
– Molds are built in-house using lathes, mills, and CNC machining
Application Scenarios:
– Replacement parts for the home appliance and industrial services industries
– Clear plastic containers and display cases for collectibles, sports memorabilia
– Custom molded components for the food industry to enable faster, more
– Custom injection molded parts for government sector projects (federal, state,
Pros:
– Rapid prototyping and short lead times for new custom components
– Expert in-house product design and engineering guidance for correct and
– In-house mold building leads to greater mold cost savings and quick design
– Rigorous quality control and preventative maintenance for high reliability
Cons:
– Primarily targets large-scale or higher quantity production, may not be ideal
– Initial mold and tooling costs could be significant compared to additive
Custom Plastic Fabrication | HP Manufacturing
Product Details:
HP Manufacturing provides custom plastic fabrication services including the precision machining of OEM custom parts, point-of-purchase (POP) display solutions, and distribution of performance plastics. They utilize a wide range of high-quality plastics (acrylic, polycarbonate, nylon, acetal, etc.) and offer integrated services from design to assembly in a 110,000 sq. ft. facility.
Technical Parameters:
– Ability to machine and fabricate components with tight tolerances
– Facility equipped with state-of-the-art machinery and CNC milling capabilities
– Works with a wide range of plastics such as Acrylic (Acrylite®, OPTIX®,
– Experience with precision machining for detailed assemblies and components
Application Scenarios:
– Medical equipment and device assembly (e.g., CT medical imaging ‘phantom’
– Industrial/heavy equipment manufacturing
– Point-of-purchase displays for retail applications
– Aerospace, electronics, food processing, wind/power generation, power
Pros:
– Custom fabrication with tight tolerances and high-quality standards
– Integrated manufacturing facility offering design, fabrication, and assembly
– Fast turnaround times and on-time delivery record
– Expertise in a wide range of specialty and performance plastic materials
Cons:
– Specialization in plastics may limit suitability for applications requiring
– No detailed mention of specific certifications or compliance standards for
Custom Plastic Injection Molding | Order Parts Online – Protolabs
Product Details:
Plastic injection molding service providing rapid prototyping and on-demand production of custom plastic parts, suitable for both low-volume and higher-volume manufacturing needs.
Technical Parameters:
– Supports 25 to 10,000+ parts per order
– Wide range of thermoplastic resins available
– Parts shipped as fast as 1 day
– Offers overmolding and insert molding capabilities
Application Scenarios:
– Functional prototyping
– Production of end-use parts in low to mid volumes
– Bridge tooling prior to full-scale manufacturing
– Medical, automotive, electronics, and consumer products industries
Pros:
– Fast turnaround and quick shipping times
– No minimum order quantity required
– Online quoting and design analysis tools
– Wide range of material and finishing options
Cons:
– Typically not ideal for very high-volume mass production compared to
– Limited to part sizes and complexities that can be accommodated by their
Custom Plastic Injection Molding Service – Xometry
Product Details:
Xometry offers custom plastic injection molding services for producing end-use parts and prototypes in a variety of materials and finishes. Their services cover rapid prototyping, low-volume, and high-volume production with on-demand manufacturing and access to a global network of vetted facilities.
Technical Parameters:
– Supports a wide range of thermoplastics (ABS, polycarbonate, nylon, etc.) and
– Part dimensions: up to 18″ x 18″ x 18″ according to specific project needs
– Tolerance: as low as +/- 0.005 inch (depending on material and geometry)
– Production quantities: from 1 to over 100,000+ units
Application Scenarios:
– End-use production parts for automotive, medical, aerospace, and consumer
– Rapid prototyping for design validation
– Bridge tooling and low-volume manufacturing before mass production
– Production of functional prototypes with production-grade materials
Pros:
– Fast quoting and digital ordering process
– Wide material and finish selection
– Scalable from prototyping to high-volume production
– Quality assurance with ISO 9001:2015 certification and inspection capabilities
Cons:
– Lead times may be longer for highly complex or specialty parts
– Initial tooling costs can be high for low-volume runs
Nicolet Plastics – Custom Injection Molding Manufacturer
Product Details:
Nicolet Plastics specializes in custom plastic injection molding, offering engineering and product support, value-added post-molding operations and assembly, and additive manufacturing (3D printing) services for various industries and part volumes.
Technical Parameters:
– Equipment range: 30 to 600 tons injection molding machines
– Specialized automated insert molding cells for dedicated production
– Tight tolerance and micro molding capabilities
– 3D Printing: Carbon 3D Plastics and Mantle 3D Metal technologies
Application Scenarios:
– Industrial components
– Medical devices
– Marine and aerospace parts
– Consumer products
Pros:
– Supports low-to-high volume production with flexible equipment range
– Offers comprehensive engineering, tooling, and prototype assistance
– Provides post-molding value-added operations such as assembly, overmolding, and
– Rapid prototyping and custom part production via 3D printing (plastic and metal)
Cons:
– High tooling costs associated with injection molding
– Challenges with material selection, process optimization, and mold wear
Custom Plastic Manufacturing Company | 35+ Years of Experience
Product Details:
AdvancTEK offers custom plastic manufacturing solutions, including injection molding, thermoforming, reaction injection molding (RIM), and compression molding. The company provides services from design and prototyping to full-scale production, as well as value-added services like assembly, kitting, labeling, and contract manufacturing.
Technical Parameters:
– Injection molding capacity: 65T – 3500T
– Thermoforming maximum sheet size: up to 6′ x 8′
– Compression molding suitable for large part & deep draw
– Certifications: IATF 16949 and ISO 14001
Application Scenarios:
– Production of high-quality, detailed plastic components for various industries
– Rapid prototyping for design and testing using production-intent materials
– Custom solutions for growth or challenge scenarios in client projects
Pros:
– Full-service support from concept to production
– Wide range of plastic fabrication technologies and capacities
– Value-added services such as assembly, labeling, and kitting
– Low scrap rate and high efficiency in injection molding, contributing to cost
Cons:
– No specific mention of limitations with extremely large-scale or highly
– Does not list potential longer lead times for highly customized projects or
Plastic Injection Molding – Full-Service Custom Molding
Product Details:
Universal Plastic Mold (UPM) offers comprehensive injection molding services for custom and large plastic parts, including production, assembly, packaging, warehousing, direct shipping, program management, logistics, and distribution services, operating as a full-service one-stop facility.
Technical Parameters:
– Injection molding machines with clamping forces ranging from 240 tons to 2,000
– ISO 9001:2015 certified and ISO/TS 16949 compliant quality management system
– 24/7/365 operational capabilities with over 300 employees
Application Scenarios:
– Mass production of custom plastic components and large parts for various
– Prototype development for new plastic products
– Automotive production and service parts
– Manufacturing for consumer goods such as water bottles, toys, and automotive
Pros:
– Turnkey, full-service solutions including manufacturing, assembly, logistics,
– High production capacity suitable for businesses of all sizes and a wide range
– Cost-saving benefits from streamlined processes, reduced overhead, and faster
– Just-in-time (JIT) inventory and program management expertise for optimal
Cons:
– Focus on large part and high tonnage injection molding may not be ideal for
– No mention of international shipping or services outside the United States
Custom Plastic Solutions | Manufacturing & Raw Materials
Product Details:
Custom Plastic Solutions offers custom plastic manufacturing services specializing in large part molding, including plastic injection molding, low pressure structural foam molding, gas assist molding, thermoforming, rotational molding, rubber molding, and raw material supply such as resins, compounds, sheets, rods, tubing, seals, and gaskets.
Technical Parameters:
– Capable of producing injection molded parts up to 350 pounds
– Over 150 machines available for production
– 30+ years of experience in plastic manufacturing
– Access to raw materials from 75+ global plastics producers
Application Scenarios:
– OEMs requiring custom large and small plastic components
– Projects needing specialized molding techniques (structural foam, gas assist,
– Industries seeking sustainable plastic solutions or recycled raw materials
– Clients needing both manufacturing and raw materials supply
Pros:
– US-based manufacturing ensuring high quality standards
– Offers a full range of custom molding processes for various project sizes
– Strong supply chain for raw material sourcing and quick turnaround
– Emphasis on sustainable and recycled product options
Cons:
– No explicit mention of small quantity or prototyping support
– Limited information on certifications or compliance with industry standards
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| The Leading Plastic Extrusion Company | Pexco | Pexco specializes in custom plastic extrusion solutions, offering a range of | Broad material expertise enables diverse application support Custom engineering | Custom solutions may involve longer lead times compared to off-the-shelf |
| Home | Custom Plastics Inc | Custom Plastics, Inc. manufactures plastic parts and assemblies through profile | Comprehensive, one-stop facility for all stages of plastic part production | No specific mention of capability for extremely large-volume or specialized |
| Custom Plastic Parts | Pioneer Plastics | Custom plastic parts manufacturing using injection molding, including rapid | Rapid prototyping and short lead times for new custom components Expert | Primarily targets large-scale or higher quantity production, may not be ideal |
| Custom Plastic Fabrication | HP Manufacturing | HP Manufacturing provides custom plastic fabrication services including the | Custom fabrication with tight tolerances and high-quality standards Integrated | Specialization in plastics may limit suitability for applications requiring |
| Custom Plastic Injection Molding | Order Parts Online – Protolabs | Plastic injection molding service providing rapid prototyping and on-demand | Fast turnaround and quick shipping times No minimum order quantity | Typically not ideal for very high-volume mass production compared to |
| Custom Plastic Injection Molding Service – Xometry | Xometry offers custom plastic injection molding services for producing end-use | Fast quoting and digital ordering process Wide material and finish | Lead times may be longer for highly complex or specialty parts Initial tooling | www.xometry.com |
| Nicolet Plastics – Custom Injection Molding Manufacturer | Nicolet Plastics specializes in custom plastic injection molding, offering | Supports low-to-high volume production with flexible equipment range Offers | High tooling costs associated with injection molding Challenges with material | www.nicoletplastics.com |
| Custom Plastic Manufacturing Company | 35+ Years of Experience | AdvancTEK offers custom plastic manufacturing solutions, including injection | Full-service support from concept to production Wide range of plastic | No specific mention of limitations with extremely large-scale or highly |
| Plastic Injection Molding – Full-Service Custom Molding | Universal Plastic Mold (UPM) offers comprehensive injection molding services | Turnkey, full-service solutions including manufacturing, assembly, logistics, | Focus on large part and high tonnage injection molding may not be ideal for | www.upminc.com |
| Custom Plastic Solutions | Manufacturing & Raw Materials | Custom Plastic Solutions offers custom plastic manufacturing services | US-based manufacturing ensuring high quality standards Offers a full range of | No explicit mention of small quantity or prototyping support Limited |
Frequently Asked Questions (FAQs)
How do I find reputable custom plastic manufacturing factories?
Start by searching online directories, industry forums, and trade shows. Look for manufacturers with strong client reviews, relevant certifications, and several years in business. Asking for recommendations from industry peers can also help you find trustworthy suppliers.
What should I consider when evaluating a manufacturer’s capabilities?
Check if the factory uses the right processes (like injection molding or blow molding) for your product, and verify their experience with similar projects. Ask about their equipment, quality control procedures, product customization options, and production capacity to ensure they meet your needs.
How can I verify the quality of a manufacturer’s products?
Request product samples and inquire about their quality assurance measures. Look for ISO certifications or similar standards, and ask if they offer third-party testing or factory audits. Client testimonials and references can also provide insight into product quality.
What factors affect the cost of custom plastic manufacturing?
Costs depend on material type, product complexity, tooling requirements, order quantity, and finishing options. Request detailed quotes from several manufacturers to compare prices and ensure everything (like prototyping or shipping) is included for an accurate comparison.
Do I need to visit the factory before placing an order?
While not strictly necessary, visiting the factory can help you assess facilities, meet the team, and better understand operations. If travel isn’t possible, ask for a virtual tour or detailed photos and request references to gain confidence in their capabilities.