Struggling to find a reliable injection molding partner? You’re not alone—choosing the wrong manufacturer can lead to costly delays, quality issues, and endless headaches. But what if you could easily spot the top factories trusted by industry leaders? The right supplier means flawless parts, on-time delivery, and peace of mind. In this article, we’ll break down the best injection molding factories and what sets them apart. Read on to discover your ideal partner!

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EVCO Plastics | Manufacturing & Injection Molding Company

Product Details:
EVCO Plastics offers plastic injection molding solutions, engineering services (including design, tooling, prototyping, and contract manufacturing), and a variety of specialized molding processes such as overmolding, gas assist molding, multi-shot, insert molding, and liquid silicone rubber injection molding. They also provide secondary operations like in-mold decorating, labeling, and UV coating.

Technical Parameters:
– Capabilities include large part molding, thin wall packaging, and stack molds.
– Expertise in scientific injection molding and robotics & automation for
– Material selection and metrology for precision and quality control.
– Processes cover molded-in color, overmolding, gas assist, multi-shot, insert

Application Scenarios:
– Medical and healthcare device manufacturing.
– Plastic packaging solutions, including returnable and thin wall packaging.
– Consumer and industrial product components.
– Conversion of metal parts to plastic for lighter, cost-effective solutions.

Pros:
– Broad expertise in various injection molding processes and secondary operations.
– Full-service engineering support from design for manufacturability to
– Focus on automation, quality control, and scientific molding for consistency.
– Capabilities for complex parts, large sizes, and advanced labeling/decorating.

Cons:
– No specific drawbacks are mentioned; possible limitation is a focus solely on
– Lack of detailed technical data on maximum part size, tolerances, or machine

ISO 13485 Certified Injection Molding Company | Plastic Injection Molding

Product Details:
ISO 13485 certified provider of plastic injection molding services, specializing in mold designing and tooling, plastic and LSR injection molding, clean room molding and assembly, low-to-mid volume injection molding, and post molding operations.

Technical Parameters:
– Can build molds ranging from Class 105 to Class 101 (all-aluminum,
– Experienced processing with over 700 types of resins, including Liquid Silicone
– Cleanroom injection molding and assembly capabilities
– Offers DFM (Design for Manufacturability) support and guidance on machine

Application Scenarios:
– Medical device manufacturing
– Aerospace and defense components
– Consumer product plastics
– Precision industrial applications

Pros:
– ISO 13485 certified for medical-grade manufacturing
– In-house tooling and a wide range of mold class options provide flexibility and
– Expertise with a broad range of resins (including LSR) and materials
– Cleanroom capability supports products requiring stringent contamination control

Cons:
– No mention of extremely high-volume production specialization
– Limited information on secondary services (e.g., part decoration, packaging,

Plastic Injection Molding – Full-Service Custom Molding

Product Details:
Universal Plastic Mold (UPM) provides high tonnage custom and large part plastic injection molding, serving as a one-stop facility for production, assembly, packaging, warehousing, shipping, and logistics. Their services include full-service program management, assembly, product distribution, just-in-time inventory, and turnkey solutions for plastic part manufacturing.

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

Application Scenarios:
– Manufacturing large and custom plastic parts for various industries
– Production and prototyping of new plastic products
– Assembly, packaging, warehousing, and direct shipping for plastic components
– Just-in-time inventory solutions and program management to optimize supply

Pros:
– Comprehensive, one-stop solution covering the entire injection molding process
– Ability to handle both small and large volumes for businesses of all sizes
– ISO-certified quality management ensures consistent product quality
– Reduces overhead and time-to-market while increasing overall product quality

Cons:
– Focus appears limited to plastic injection molding and related logistics; may
– Physical requirements for high tonnage machinery might limit flexibility for

Custom Injection Molding – Pioneer Plastics

Product Details:
Custom injection molding services for plastic products, including collectible display cases, storage containers, packaging solutions, household items, and specialty display cases for sports and collectibles.

Application Scenarios:
– Display and storage of collectibles such as diecast cars, sports memorabilia,
– Packaging for food items like candy and nuts
– Containers for laboratory supplies
– Household storage and utility items

Pros:
– Wide variety of display and storage solutions tailored for different
– Veteran-owned, American-made products indicating local manufacturing and
– Ability to provide custom injection molding for specialized customer needs

Cons:
– No specific technical specifications or material details provided on the page
– Product range appears to be limited primarily to plastic-based solutions

Custom Injection Molding Manufacturer | Nicolet Plastics | Injection …

Product Details:
Nicolet Plastics is a custom injection molding manufacturer offering full-service plastic injection molding, engineering and product support, value-added post-molding operations, and additive (3D) manufacturing for a diverse range of industries including industrial, medical, marine, aerospace, and consumer products.

Technical Parameters:
– Injection molding equipment ranging from 30 to 600 tons
– Automated insert molding cells for dedicated production
– Ability to handle low- to high-volume production and complex part geometries
– Capabilities include tight tolerance & micro molding, CNC machining, sonic &

Application Scenarios:
– Automotive parts manufacturing
– Medical device production
– Consumer goods and industrial parts
– Packaging and aerospace components

Pros:
– Expertise in engineering and product launch support from concept to final
– Comprehensive in-house and outsourced tooling and prototype assistance
– Wide range of value-added operations (assembly, sub-assembly, printing, welding
– Advanced additive manufacturing options in both plastics (Carbon 3D) and metals

Cons:
– High tooling costs for injection molding projects
– Process can face challenges with material selection, mold wear, and defects

USA Plastic Injection Molder | Crescent Industries

Product Details:
Crescent Industries offers custom plastic injection molding solutions including mold design, tooling, tool transfer, insert molding, over molding, kitting & assembly, and plastic part decoration. They also provide injection molding for medical device, military, and industrial/OEM markets.

Technical Parameters:
– Plastic injection mold design and build
– Insert molding and over molding capabilities
– Kitting & assembly and post-processing options
– Injection molding automation and quality systems

Application Scenarios:
– Medical device manufacturing requiring cleanroom injection molding
– Military components and assemblies
– Industrial/OEM custom injection molded parts

Pros:
– Comprehensive in-house services from design to post-processing
– Ability to handle complex injection molding projects including insert and over
– Focus on quality systems and automation to improve reliability and efficiency

Cons:
– Limited technical specifications provided up front
– Primarily focused on specific industries, potentially limiting broader

Plastic Molding Manufacturing | High Volume Plastic Injection Molding

Product Details:
Plastic Molding MFG provides local manufacturing solutions focused on creating complex plastic parts from concept to completion. Services include engineering, design & tooling, quality control, and comprehensive molding capabilities with over 100 presses across 4 plants. The company specializes in precision plastic injection molding and offers ISO Class 8 Cleanroom manufacturing for medical device applications.

Technical Parameters:
– Over 100 molding presses across 4 manufacturing plants
– ISO Class 8 Cleanroom expertise for medical device manufacturing
– Automated plastic injection molding processes
– Comprehensive engineering, tooling, and quality assurance services

Application Scenarios:
– Medical device manufacturing requiring strict cleanliness standards
– Consumer product manufacturing
– Industrial and defense parts production
– Transportation components and electrical connectors manufacturing

Pros:
– Quick, efficient, and cost-effective local manufacturing solutions
– Ability to produce complex, precision parts from concept to completion
– Industry expertise in cleanroom molding meeting stringent standards
– Capability to optimize and improve product design collaboratively

Cons:
– No specific examples of product limitations or technology gaps provided
– Potential limited information on highly specialized or niche molding processes

Custom Plastic Injection Molding Company | Molded Devices, Inc.

Product Details:
Custom plastic injection molding, blow molding, dip molding, tube extrusion, engineering & tooling, assembly and secondary operations. Product offerings include medical devices (catheters, cannulas, balloons, tubing, pumps), industrial components (micro-metering pumps, cash dispensers, plastic gears), and various tubing/fittings.

Technical Parameters:
– Medical clean room molding and assembly
– Multi-lumen and corrugated tubing options
– Specialty gears and assemblies, including insert and over-molding
– Dip coating and spray coating capabilities

Application Scenarios:
– Medical device manufacturing and assembly
– Industrial and energy sector component production
– Aerospace and defense applications
– Production of business and financial equipment components

Pros:
– Wide range of plastics manufacturing processes (injection molding, blow molding
– Specialized medical molding capabilities including clean rooms
– Custom engineering and product development services

Cons:
– Technical or material specifications not fully listed on the main page
– Limited detailed performance data for each product category

Manufacturing – Plastic Injection Molding Company Florida USA

Product Details:
Plastimold offers comprehensive plastic part manufacturing services specializing in injection molding, injection mold design and making, CNC machining, assembly, packaging, pad printing, 3D printing, and fulfillment. They manufacture using a range of mold materials for both low- and high-volume production, provide end-to-end services from design to warehousing, and offer customization for various industries.

Technical Parameters:
– Automated Toshiba injection molding machines ranging from 45 to 390 tons, with
– Use of aluminum, P20, H13, and stainless steel molds for different volume
– High precision Makino CNC machines and full machine shop capabilities including
– Supports FDM, SLS, SLA, Polyjet, and rubber mold 3D printing technologies

Application Scenarios:
– Plastic parts manufacturing for consumer products, medical devices,
– Low to high volume plastic injection molding projects
– Custom product and component manufacturing requiring assembly, packaging, or
– Rapid prototyping and production validation via 3D printing

Pros:
– State-of-the-art mold design and validation tools minimize costly reworks and
– Full-service, end-to-end solutions including design, manufacturing, assembly,
– High quality standards with process-controlled quality management and real-time
– Dedicated customer service including just-in-time manufacturing and inventory

Cons:
– Requires a one-time upfront tooling fee for injection mold making
– Focus appears to be on mid to high volume production—may not be ideal for

Murray Plastics: Custom Plastic Injection Molding Company

Product Details:
Custom plastic injection molded parts and components, including mold design, engineering, and production using advanced molding techniques. Capabilities include in-house design, engineering, and mold making, providing one-stop solutions for plastic part manufacturing.

Technical Parameters:
– Over 20 years of experience in injection molding plastics
– Engineer-led design and engineering processes
– Wide variety of materials and part sizes supported
– Produced in a state-of-the-art, quality-controlled facility in the United States

Application Scenarios:
– Manufacturing custom plastic components for diverse industries
– Production of intricate or specialized plastic parts
– Projects requiring end-to-end plastic part design, engineering, and

Pros:
– Made in the USA with founder-led, personable service
– Globally competitive pricing with innovative and cost-effective solutions
– Professional guidance through every step and rigorous quality control
– Ability to handle a wide range of capabilities, materials, and project sizes

Cons:
– Limited online disclosure of specific technical specifications or supported
– No mention of minimum order quantities or turnaround times

Comparison Table

Company	Product Details	Pros	Cons	Website
EVCO Plastics	Manufacturing & Injection Molding Company	EVCO Plastics offers plastic injection molding solutions, engineering services	Broad expertise in various injection molding processes and secondary operations	No specific drawbacks are mentioned; possible limitation is a focus solely on
ISO 13485 Certified Injection Molding Company	Plastic Injection Molding	ISO 13485 certified provider of plastic injection molding services,	ISO 13485 certified for medical-grade manufacturing In-house tooling and a wide	No mention of extremely high-volume production specialization Limited
Plastic Injection Molding – Full-Service Custom Molding	Universal Plastic Mold (UPM) provides high tonnage custom and large part	Comprehensive, one-stop solution covering the entire injection molding process	Focus appears limited to plastic injection molding and related logistics; may	www.upminc.com
Custom Injection Molding – Pioneer Plastics	Custom injection molding services for plastic products, including collectible	Wide variety of display and storage solutions tailored for different	No specific technical specifications or material details provided on the	www.pioneerplastics.com
Custom Injection Molding Manufacturer	Nicolet Plastics	Injection …	Nicolet Plastics is a custom injection molding manufacturer offering	Expertise in engineering and product launch support from concept to final
USA Plastic Injection Molder	Crescent Industries	Crescent Industries offers custom plastic injection molding solutions including	Comprehensive in-house services from design to post-processing Ability to	Limited technical specifications provided up front Primarily focused on
Plastic Molding Manufacturing	High Volume Plastic Injection Molding	Plastic Molding MFG provides local manufacturing solutions focused on creating	Quick, efficient, and cost-effective local manufacturing solutions Ability to	No specific examples of product limitations or technology gaps provided Potentia
Custom Plastic Injection Molding Company	Molded Devices, Inc.	Custom plastic injection molding, blow molding, dip molding, tube extrusion,	Wide range of plastics manufacturing processes (injection molding, blow molding	Technical or material specifications not fully listed on the main page Limited
Manufacturing – Plastic Injection Molding Company Florida USA	Plastimold offers comprehensive plastic part manufacturing services	State-of-the-art mold design and validation tools minimize costly reworks and	Requires a one-time upfront tooling fee for injection mold making Focus appears	plastimoldproducts.com
Murray Plastics: Custom Plastic Injection Molding Company	Custom plastic injection molded parts and components, including mold design,	Made in the USA with founder-led, personable service Globally competitive	Limited online disclosure of specific technical specifications or supported	murrayplastics.com

Frequently Asked Questions (FAQs)

What should I consider when choosing an injection molding factory?
Look at factors like production capacity, expertise with your material and product type, quality certifications (like ISO), lead times, and ability to communicate clearly. Touring the facility or requesting samples can also give you confidence in their capabilities.

How can I verify the quality of a potential injection molding manufacturer?
Ask for quality certifications, details on their quality control process, and examples of previous work. Request samples or references from existing clients. Good factories have strict inspection processes and are transparent about how they maintain high standards.

Is it better to work with a local or overseas injection molding factory?
Both have pros and cons. Local factories offer easier communication and faster shipping, but may cost more. Overseas options can save on production costs, but require careful vetting and may involve longer lead times and higher shipping expenses.

What information do I need to provide to get an accurate quote?
You’ll need to provide a 3D CAD design or detailed drawings, information on the material you want, order quantity, color requirements, expected tolerances, and any special surface finishes. The more details you provide, the more accurate your quote will be.

Can injection molding manufacturers help with product design?
Yes, many manufacturers offer design-for-manufacturability (DFM) services to optimize your part for injection molding. Their engineers can suggest improvements to reduce costs, enhance function, and avoid production issues, helping to bring your idea to life efficiently.