Struggling to find a reliable manufacturer for your custom plastic parts? You’re not alone—choosing the right partner can make or break your project. With so many factories out there, how do you know which ones truly deliver on quality, speed, and price? Working with a top manufacturer means fewer headaches, consistent parts, and peace of mind knowing your designs are in good hands. Ready to discover the best in the business?

Read on to see our top picks and what sets them apart!

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Plastic parts manufacturer | AGRU Kunststofftechnik (Plastics Technologies)

Custom Plastic Parts – Pioneer Plastics

Product Details:
Pioneer Plastics offers custom plastic parts manufacturing primarily via plastic injection molding. Services include design assistance, rapid prototyping, in-house tool and mold building, molding, quality inspection, and direct shipping. They serve as a turnkey solution provider for custom plastic part production, specializing in replacement service parts for appliances, storage solutions, collectibles display cases, and food industry components.

Technical Parameters:
– Over 40 years of experience in plastic parts manufacturing
– Operates 25 plastic injection molding machines (75-ton to 1200-ton clamp force)
– 50,000+ square foot production and distribution facility in the Midwest
– In-house CNC machining and tool building capabilities

Application Scenarios:
– Replacement plastic service parts for the home appliance and industrial
– Custom molded clear containers and display cases for collectibles and sports
– Storage organization solutions for small household items, tools, and craft
– Food industry applications for components that improve food preparation speed
– Government sector projects with CAGE certification for federal, state, and

Pros:
– Rapid prototyping and short lead times for custom components
– Expert product design guidance and finalized products to customer specifications
– In-house tool building enables mold cost savings and expedited design changes
– Rigorous quality control and preventative maintenance for reliable output
– Centrally located facility for efficient nationwide shipping

Cons:
– Focus on injection molding may limit suitability for very low volume or one-off
– Initial investment in mold tooling can be significant for small production runs

Plastic Parts Contract Manufacturing & Assembly Services

Product Details:
Pride Solutions specializes in manufacturing custom plastic parts, especially using UHMW-PE (Ultra-High Molecular Weight Polyethylene), via compression molding, CNC plastic fabrication, CNC routing/lathe machining, and provides contract assembly services including electromechanical assembly. They also manufacture Poly Capped Elevator Bolts with durable UHMW-PE overmolding. ISO 9001:2015 certified, they deliver B2B solutions from design through production and global shipping.

Technical Parameters:
– Expertise in compression molding UHMW-PE plastic parts and components
– CNC plastic fabrication, routing, and lathe plastic parts machining
– Poly Capped Elevator Bolts feature at least 1/4″ thick UHMW-PE overmolding
– ITAR-compliant assembly technicians; ISO 9001:2015 certified quality

Application Scenarios:
– Custom engineered plastic parts for a wide range of industries
– Abrasion-resistant components for extreme temperature environments
– Poly capped elevator bolts for applications requiring strong, reliable
– Electromechanical assemblies and prototypes to volume production

Pros:
– UHMW-PE offers exceptional abrasion resistance, durability, and self-lubricating
– Ability to handle end-to-end manufacturing, including supply chain and
– ISO 9001:2015 certification ensures quality and consistency
– Versatility in handling both small prototypes and high-volume production

Cons:
– Primary material focus is on UHMW-PE, may not support needs requiring other
– No specific mention of minimum order requirements or lead times

Custom Plastic Parts Manufacturing by Xometry

Product Details:
Custom-manufactured plastic parts through on-demand production services, offering various manufacturing processes such as injection molding, CNC machining, 3D printing, and urethane casting for prototyping and full-scale production.

Technical Parameters:
– Supports a wide range of plastic materials including ABS, Polycarbonate (PC),
– Production capacity ranges from rapid prototyping to high-volume manufacturing.
– Provides tight tolerances as required by customer specifications.
– Available surface finishes include matte, glossy, textured, and custom

Application Scenarios:
– Automotive components
– Medical devices and healthcare products
– Consumer electronics housing and enclosures
– Industrial machinery and prototyping

Pros:
– Fast turnaround times for prototypes and production parts.
– Wide selection of manufacturing processes and plastic materials.
– Instant quoting and design feedback available online.
– Supports both low- and high-volume orders with scalable production.

Cons:
– Some advanced or highly complex part geometries may be limited by certain
– Lead times and pricing may vary based on selected materials or production

Protolabs | Rapid Prototyping & On-demand Production Services

Product Details:
Protolabs offers rapid manufacturing services including 3D printing, CNC machining, injection molding, and sheet metal fabrication for prototyping and low-volume production.

Technical Parameters:
– 3D printing in plastics, metals, and elastomers with various additive
– CNC machining tolerance capabilities to +/- 0.005 in. (0.13 mm) or better
– Injection molding supports hundreds of thermoplastic, elastomer, and liquid
– Sheet metal fabrication with range of metal materials and finishing options.

Application Scenarios:
– Functional prototypes for new product development.
– Low-volume end-use part production.
– Rapid tooling for bridge manufacturing before mass production.
– Custom medical, automotive, aerospace, and consumer product applications.

Pros:
– Extremely fast turnaround times, with parts shipped in as little as 1 day.
– Instant online quoting and automated manufacturability analysis.
– No minimum order quantities, allowing cost-effective prototyping.
– Wide variety of material and process options for diverse requirements.

Cons:
– Less cost-effective for high-volume mass production compared to traditional
– Limited to maximum part sizes depending on process and equipment.
– Surface finish and aesthetic options may be limited compared to specialized
– Tightest tolerances may not match those achievable by specialized,

Custom Plastic Parts Manufacturing | Molding and Prototyping

Product Details:
Custom plastic parts manufacturing, including plastic injection molding, prototyping, overmolding, insert molding, CNC machining, 3D printing, and blow molding, using a wide range of plastic materials tailored to customer requirements.

Technical Parameters:
– Wide selection of plastic materials: PE, PP, PVC, PS, PET, PC, ABS, PU, Nylon,
– Processes include injection molding, overmolding, insert molding, CNC machining
– Ability to achieve tight tolerances and complex geometries
– Suitable for both low-volume prototyping and high-volume production

Application Scenarios:
– Automotive parts (dashboard components, door panels, bumpers, trim, engine
– Consumer electronics (cases, buttons, connectors for smartphones, laptops,
– Medical devices (syringes, catheters, IV connectors, housings for diagnostic
– Packaging (bottles, containers, caps, closures)

Pros:
– Versatility in material and process selection to meet custom requirements
– Durable, lightweight products with excellent electrical and thermal insulation
– Cost-effective solutions suitable for a variety of applications and industries
– Long-standing expertise and professional support in part design and material

Cons:
– Material selection may be complex due to variety and application-specific
– Plastic may not always be suitable if extreme mechanical strength or high

Nicolet Plastics – Custom Injection Molding Manufacturer

Product Details:
Nicolet Plastics is a full-service custom plastic injection molding manufacturer offering services including custom plastic injection molding, engineering and product support, additive manufacturing (3D printing), and value-added operations such as assembly and post-molding processes. They serve a wide range of industries from industrial and medical to aerospace and consumer products.

Technical Parameters:
– Injection molding machines ranging from 30 to 600 tons
– Automated insert molding cells for dedicated production
– Tight tolerance and micro molding capabilities
– 3D printing in plastic (Carbon) and metal (Mantle) with rapid prototyping and

Application Scenarios:
– Automotive parts
– Medical devices
– Industrial components
– Consumer goods and marine applications

Pros:
– Ability to handle low-to-high volume production with varying complexity
– Expertise in tight tolerance, micro molding, and automated insert molding
– Comprehensive engineering and product launch support, including tooling and
– Value-added services like assembly, CNC machining, sonic/vibration welding, and

Cons:
– High tooling costs associated with injection molding
– Challenges with material selection and process optimization

Upside Parts – 3D Printing and Custom Parts Manufacturing

Product Details:
Custom manufacturing services for plastic components and parts, offering rapid prototyping and scalable production through 3D printing (FDM, SLA, SLS), urethane casting, CNC machining, and injection molding.

Technical Parameters:
– 3D printing precision: ±0.5% with a lower limit of ±0.15 mm; lead times as fast
– Urethane casting: from 20 up to 200 parts; wide range of urethanes with
– CNC machining precision: ±0.001 in (±0.020 mm); lead times from 5 business days
– Injection molding: supports part complexities and sizes; order volumes from 1

Application Scenarios:
– Aerospace components
– Industrial and robotics parts
– Automotive, consumer products, jewelry, toys, and medical & dental plastic parts
– Rapid prototyping and validating part designs, as well as full-scale on-demand

Pros:
– Fast lead times starting from one business day
– Instant quotes and direct technical support, including DFM feedback
– Wide range of materials, production methods, and scalable order sizes
– Inspection reports and samples available upon request, ensuring quality control

Cons:
– Urethane casting limited to small quantities (20–200 parts)
– CNC machining has longer lead times (minimum 5 business days) compared to 3D
– Injection molding minimum production quantity is relatively high (1,000 parts)

Custom Plastic Parts | High Quality Plastic Parts – Jaco Products, Inc.

Product Details:
Jaco Products specializes in custom plastic parts manufacturing using advanced injection molding, compression molding, transfer molding, and CNC machining. They produce simple to highly complex precision plastic components in a variety of materials, including Delrin, Ultem, PEEK, Nylon, ABS, Acetal, and HDPE. Jaco offers collaborative part design, prototyping, and high-volume production runs, focusing on difficult-to-machine materials and intricate geometries.

Technical Parameters:
– Works with tight tolerances and intricate geometries using 5-axis CNC equipment
– Supports materials like Delrin, Ultem, PEEK, Nylon, ABS, Acetal, and HDPE
– Utilizes advanced CAD/CAM software, state-of-the-art molding and machining
– Can rout, mill, and turn plastics to extremely low tolerances, producing

Application Scenarios:
– Industries such as aerospace, automotive, chemical, electronics, energy, and
– Custom prototypes or high-volume production runs
– Parts requiring high strength, chemical resistance, or durability under
– Components with specific design, branding, or surface finish requirements

Pros:
– Ability to fabricate complex, high-precision parts that other manufacturers
– Wide range of material options and customization possibilities
– Low-waste, cost-efficient process due to advanced CNC and injection molding
– Expertise in both design collaboration and handling challenging materials

Cons:
– Mold design is expensive and time-consuming if not done correctly the first time
– Certain materials (e.g., Delrin, Nylon, glass-reinforced Ultem, PEEK) present

Custom Plastic Parts Manufacturing | Injection Molding – NORCK

Product Details:
Norck offers on-demand manufacturing for custom plastic and metal parts, including services like CNC machining, 3D printing (plastic and metal), sheet metal fabrication, and injection molding in the United States, Germany, and Europe. Customers can request rapid prototyping, high-volume production, assembly services, and contract manufacturing.

Technical Parameters:
– Provides CNC Machining: Milling, Turning, Grinding, Honing
– 3D Printing processes: Fused Deposition Modeling (FDM), HP Multi Jet Fusion
– Injection molding and sheet metal fabrication available
– Supports both plastic and metal part manufacturing

Application Scenarios:
– Rapid prototyping for product development
– Custom component manufacturing for industrial and commercial uses
– High-volume production runs for OEMs
– Precision part supply for industries requiring wear resistance or complex

Pros:
– Wide range of manufacturing processes (CNC, 3D printing, injection molding,
– Geographically distributed services covering US, Germany, UK, and broader Europe
– On-demand and high-volume production capabilities with rapid prototyping options
– Supports multiple languages, broadening accessibility

Cons:
– Specific pricing, lead times, and tolerances not detailed on the summarized page
– Technical specifications for materials and process limits are not explicit
– Potential complexity for customers new to custom manufacturing due to broad

Comparison Table

Company	Product Details	Pros	Cons	Website
Plastic parts manufacturer	AGRU Kunststofftechnik (Plastics Technologies)
Custom Plastic Parts – Pioneer Plastics	Pioneer Plastics offers custom plastic parts manufacturing primarily via	Rapid prototyping and short lead times for custom components Expert product	Focus on injection molding may limit suitability for very low volume or one-off	www.pioneerplastics.com
Plastic Parts Contract Manufacturing & Assembly Services	Pride Solutions specializes in manufacturing custom plastic parts, especially	UHMW-PE offers exceptional abrasion resistance, durability, and self-lubricating	Primary material focus is on UHMW-PE, may not support needs requiring other	pridesolutions.com
Custom Plastic Parts Manufacturing by Xometry	Custom-manufactured plastic parts through on-demand production services,	Fast turnaround times for prototypes and production parts. Wide selection of	Some advanced or highly complex part geometries may be limited by certain	www.xometry.com
Protolabs	Rapid Prototyping & On-demand Production Services	Protolabs offers rapid manufacturing services including 3D printing, CNC	Extremely fast turnaround times, with parts shipped in as little as 1 day	Less cost-effective for high-volume mass production compared to traditional
Custom Plastic Parts Manufacturing	Molding and Prototyping	Custom plastic parts manufacturing, including plastic injection molding,	Versatility in material and process selection to meet custom requirements Durabl	Material selection may be complex due to variety and application-specific
Nicolet Plastics – Custom Injection Molding Manufacturer	Nicolet Plastics is a full-service custom plastic injection molding	Ability to handle low-to-high volume production with varying complexity Expertis	High tooling costs associated with injection molding Challenges with material	www.nicoletplastics.com
Upside Parts – 3D Printing and Custom Parts Manufacturing	Custom manufacturing services for plastic components and parts, offering rapid	Fast lead times starting from one business day Instant quotes and direct	Urethane casting limited to small quantities (20–200 parts) CNC machining has	www.upsideparts.com
Custom Plastic Parts	High Quality Plastic Parts – Jaco Products, Inc.	Jaco Products specializes in custom plastic parts manufacturing using advanced	Ability to fabricate complex, high-precision parts that other manufacturers	Mold design is expensive and time-consuming if not done correctly the first
Custom Plastic Parts Manufacturing	Injection Molding – NORCK	Norck offers on-demand manufacturing for custom plastic and metal parts,	Wide range of manufacturing processes (CNC, 3D printing, injection molding,	Specific pricing, lead times, and tolerances not detailed on the summarized

Frequently Asked Questions (FAQs)

How do I identify reputable custom plastic parts manufacturers?
Look for manufacturers with strong track records, certifications (like ISO 9001), positive customer reviews, and clear communication. Visiting their factory or requesting samples can help assess their capabilities and production quality.

What factors should I consider when selecting a manufacturer?
Consider their experience with similar products, quality control processes, production capacity, lead times, pricing, and ability to work with your required materials and tolerances.

Can I request prototypes or samples before placing a large order?
Yes, reputable manufacturers typically offer prototypes or samples so you can evaluate the quality, accuracy, and material before committing to bulk production. This helps ensure your needs are met before a larger investment.

How do I ensure the manufacturer can meet my custom specifications?
Provide detailed drawings, 3D models, material requirements, and any critical tolerances. Good manufacturers will review your specs, ask clarifying questions, and offer suggestions to improve manufacturability if needed.

What are the common payment terms when working with custom plastic part suppliers?
Payment terms often include a deposit (such as 30%) before production, with the balance due upon completion or before shipment. Discuss payment milestones and accepted methods (e.g., bank transfer, credit card) with your manufacturer upfront.