Looking for a reliable plastic injection molding partner but feeling overwhelmed by the endless choices? You’re not alone—finding the right manufacturer can make or break your next product launch. With so much riding on quality, price, and turnaround time, picking the best supplier is crucial for your business’s success. The right factory guarantees precision parts, consistent results, and peace of mind. Ready to discover which manufacturers truly stand out? Read on to see our top picks!
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EVCO Plastics | Manufacturing & Injection Molding Company
Product Details:
EVCO Plastics specializes in plastic injection molding manufacturing, offering engineering services and capabilities such as tooling & mold building, design for manufacturability, prototyping, metal to plastic conversion, and secondary operations like UV coating. Their expertise covers products for large parts, medical & healthcare, packaging, consumer, and industrial sectors.
Technical Parameters:
– Plastic injection molding processes including multi-shot, overmolding, insert
– In-mold decorating & labeling, molded-in color, stack molds, and UV coating
– Use of robotics & automation, scientific injection molding, and advanced
Application Scenarios:
– Production of large plastic components
– Medical and healthcare device manufacturing
– Plastic packaging solutions (including thin wall packaging and returnable
– Consumer and industrial product manufacturing
Pros:
– Comprehensive molding processes allow for versatile product development
– Expertise in design for manufacturability and early supplier involvement
– Advanced capabilities in automated, high-precision, and scientific molding
Cons:
– Specialization in injection molding may not meet needs requiring other
– Technical details and specific performance specifications for products are
Custom Injection Molding Manufacturer | Nicolet Plastics | Injection …
Product Details:
Nicolet Plastics offers full-service, custom plastic injection molding services for a wide range of industries, providing engineering and product support, additive manufacturing (3D printing), and value-added operations such as assembly and post-molding processes.
Technical Parameters:
– Injection molding equipment ranging from 30 to 600 tons
– Handles low-to-high-volume production runs
– Diverse resin selection for various applications
– 3D printing capabilities: Carbon 3D plastics and Mantle 3D metal printing
Application Scenarios:
– Production of industrial components
– Manufacture of medical devices
– Parts for marine and aerospace industries
– Consumer product manufacturing
Pros:
– Ability to handle a wide range of production volumes and part complexities
– Expertise in tight tolerance and micro molding
– Comprehensive engineering and product development support including DFM and
– Value-added post-molding services such as CNC machining, assembly, pad printing
Cons:
– High tooling costs can be a challenge
– Potential issues such as material degradation, mold wear, warpage, and short
Plastic Injection Molding – Full-Service Custom Molding
Product Details:
Universal Plastic Mold (UPM) offers custom and large part plastic injection molding services using a one-stop facility. UPM provides comprehensive solutions including production, assembly, packaging, warehousing, distribution, and logistics for plastic components of various sizes and complexities.
Technical Parameters:
– Injection molding machines ranging from 240 tons to 2,000 tons
– Full 24/7/365 operational capability with over 300 employees
– ISO 9001:2015 certified and ISO/TS 16949 compliant
– Just-in-time (JIT) inventory management strategies
Application Scenarios:
– Manufacturing custom plastic components for the automotive industry
– Production of consumer goods such as toys and water bottles
– Assembly and logistics support for businesses needing warehousing and direct
– Rapid prototyping and new product development for various industries
Pros:
– One-stop, turnkey manufacturing and logistics services reduce vendor management
– Comprehensive quality control with ISO certifications
– Cost savings and reduced time to market through efficient processes and managed
– Flexible production volumes enabled by JIT inventory control and fast turnaround
Cons:
– Potentially less specialization for extremely niche or micro-scale injection
– Large facility may not be ideal for very small batch or low-volume custom
RSP, Inc.: Plastic Molding & Contract Manufacturing
Product Details:
RSP, Inc. is a global contract manufacturer specializing in plastic molding, including injection molding, sustainable manufacturing with recycled ocean plastic, membrane switches, rubber keypads, PCB assembly, CNC machining, printed graphics, metal fabrication, wire harnesses, laser cutting, touch screens, prototyping, product assembly, and packaging. They offer turnkey contract manufacturing and product design services, with global reach and a focus on flexible manufacturing beyond China.
Technical Parameters:
– Plastic injection molding processes
– Recycled ocean plastic and bioplastics options
– Membrane switches including dome arrays
– CNC machining, PCB assembly, and laser cutting capabilities
Application Scenarios:
– Consumer product manufacturing
– Medical device production
– Industrial components and equipment
– Sustainable packaging and products using recycled ocean plastic
Pros:
– Wide range of manufacturing capabilities (plastics, electronics, printing,
– Experience in sustainable and recycled material use (ocean plastics,
– Turnkey solutions enable outsourcing entire production processes
– Global reach: serving clients in over 40 countries
Cons:
– Specific technical specifications and tolerances for products/services are not
– Potential lead times or minimum order quantities are not specified
Plastic Molding Manufacturing | High Volume Plastic Injection Molding
Product Details:
Plastic Molding Manufacturing (PMM) provides local manufacturing solutions specializing in precision plastic injection molding. The company offers services from design and engineering to molding, tooling, and quality control, supporting the creation of complex parts from concept to completion. PMM operates four plants equipped with over 100 presses and maintains cleanroom capabilities for critical applications.
Technical Parameters:
– Over 100 injection molding presses across 4 plants
– ISO Class 8 Cleanroom for medical device manufacturing
– End-to-end support: engineering, design, molding, tooling, and quality control
– Automated plastic injection molding processes
Application Scenarios:
– Medical device manufacturing requiring sterile environments
– Consumer product components
– Industrial and defense parts
– Transportation and electrical connectors
Pros:
– Quick, efficient, and cost-effective local manufacturing solutions
– Ability to optimize and improve product design for best results
– Stringent quality standards, including ISO Class 8 cleanroom expertise
– Broad industry coverage and the capability to produce complex precision parts
Cons:
– Specific technical part/material limitations are not detailed
– Limited explicit mention of customization scope or possible minimum order sizes
– No referenced certifications beyond ISO Cleanroom provided on this page
Custom Injection Molding – Pioneer Plastics
Product Details:
Pioneer Plastics offers custom injection molding services, specializing in the design and manufacturing of American-made plastic products, including collectible display cases, containers, trays, grids, and various custom plastic solutions.
Technical Parameters:
– Custom injection molding capabilities
– Ability to create a wide range of product sizes and shapes
– Specialized in American-made plastic products
– Focus on quality craftsmanship as a veteran-owned business
Application Scenarios:
– Display and protection of collectibles such as diecast cars, sports memorabilia
– Packaging solutions for food, candy, nuts, and honeycomb
– Storage for lab supplies and household items
– Specialty industrial applications requiring custom plastic parts
Pros:
– Veteran-owned business with focus on quality American manufacturing
– Wide product range covering both consumer and industrial needs
– Custom design and injection molding to match unique requirements
– Strong emphasis on craftsmanship and product durability
Cons:
– Limited information on minimum order quantities or lead times
– Specific technical material specs and certifications are not detailed
Custom Plastic Injection Molding Company | Molded Devices, Inc.
Product Details:
Molded Devices, Inc. offers custom plastic injection molding, blow molding, dip molding and coating, tube extrusion, and assembly/secondary operations for medical, industrial, and aerospace/defense markets. Their products include medical tubing, catheters, cuffs, balloons, cannulas, single-use disposables, pumps, motors, plastic gears, and components for industrial and financial equipment.
Technical Parameters:
– Medical injection molding and clean room molding capabilities
– Production of multi-lumen, corrugated, expandable, and smooth corrugated tubing
– Dip molding, dip coating, spray coating, and tube extrusion processes
– Specialty services such as ultrasonic welding, micro drilling, and UV/solvent
Application Scenarios:
– Medical device manufacturing (catheters, endotracheal tubes, intravenous
– Industrial equipment components (motors, plastic gears, business and financial
– Aerospace and defense component fabrication
– Food and beverage production equipment components
Pros:
– Wide range of molding and manufacturing processes under one company
– Clean room manufacturing and assembly for high-purity/medical needs
– Experience serving regulated industries like medical, aerospace, and defense
– Custom engineering, product development, and rapid prototyping capabilities
Cons:
– No concrete mention of minimum order quantities or lead times
– Limited public technical specifications for individual products
– Potentially higher costs compared to standard, non-custom suppliers
USA Manufacturer | Custom Injection Molding & CNC Machining | MSI
Product Details:
MSI Mold manufactures custom injection molded plastic parts and precision CNC machined metal or plastic components in-house in the USA. They handle mold building, prototyping, and production runs from 100 to 100,000 units, serving as a single-source supplier for both injection molding and CNC machining solutions.
Technical Parameters:
– Production runs: 100 to 100,000 units
– All molds built in-house with lead times from 10 days to 12 weeks
– Unlimited tooling life warranty while manufacturing is with MSI
– Precision CNC machining including turning, 3 & 4 axis milling, and in-house
Application Scenarios:
– Prototype and production-quality plastic part manufacturing
– Custom metal and plastic parts for various industries
– Low- to high-volume plastic injection molding projects
– Projects requiring compliance such as ITAR and ISO 9001 certification
Pros:
– All manufacturing and tooling done in-house in the USA for quality control
– Free design consultation and engineering support for part optimization
– Rapid quotes, fast lead times, and on-time delivery commitment
– No hidden charges and unlimited tooling life warranty for in-house projects
Cons:
– Only accepts projects manufactured within their facility for warranty coverage
– Specializes in custom projects; may not serve ultra-high-volume commodity parts
Plastic Injection Molding | Custom Plastic Molding | Made in USA
Product Details:
Peliton offers high-quality custom plastic injection molding and manufacturing services at low cost. They process a wide variety of thermoplastics and engineered resins, offer custom assembly integrating in-house and externally-sourced parts, and have in-house screen and pad printing departments. Their machine shop supports mold making, repair, maintenance, prototyping, and tooling fabrication. They also assist with reshoring manufacturing operations from overseas to the USA.
Technical Parameters:
– Capability to work with a wide range of thermoplastics and engineered resins
– 650 Ton Dima Plastic Molding Machine
– In-house CNC machining for tool and mold fabrication
– Pad printing and screen printing on various substrates (vinyl, Coroplast, metal
Application Scenarios:
– Manufacturing agricultural products, kitchenware, toys, tools, and auto parts
– Production of promotional products and home/office items
– Printing of real estate signs, political campaign signs, industrial placards,
– Assisting inventors and industrial designers with new product development and
Pros:
– Competitive pricing with high-quality, USA-based manufacturing
– Custom assembly, prototyping, and project management support
– In-house machine shop for fast mold repair and tooling
– Enhanced communication and intellectual property security compared to offshore
Cons:
– Limited explicit mention of international manufacturing capabilities
– Potentially less suited for extremely high-volume, low-cost commodity plastic
Plastic Injection Molds Manufacturer | Mold Design Company : Plastic …
Product Details:
The company provides custom plastic injection molding services, including prototyping and end-use manufacturing components. Tooling is made in-house, primarily using aluminum molds, and a range of approximately twenty different polymeric resins is available. Key offerings include design consultation, material selection guidance, and manufacturability feedback.
Technical Parameters:
– Aluminum molds used, typically without internal heating or cooling lines
– Supports order quantities from 100 to 100,000 pieces
– Turnaround time for molds and sample parts ranges from 5 days to 5 weeks
– Offered with unrestricted tooling life assurance (no additional tooling costs
Application Scenarios:
– Pilot runs and functional prototyping
– Bridge tooling and low-volume production
– Mass production for industries such as automotive, medical devices, consumer
– Manufacture of items like locks, handles, specialist connectors, and points of
Pros:
– Rapid turnaround (prototype and production in as little as 7 days)
– Free component design guidance and technical assistance
– Cost-effective tooling and manufacturing using aluminum molds
– Consistently high part quality with scientific molding and maintainable
Cons:
– Use of aluminum molds without cooling/heating lines may result in somewhat
– Slightly higher scrap rate compared to additive processes like 3D printing
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| EVCO Plastics | Manufacturing & Injection Molding Company | EVCO Plastics specializes in plastic injection molding manufacturing, offering | Comprehensive molding processes allow for versatile product development Expertis | Specialization in injection molding may not meet needs requiring other |
| Custom Injection Molding Manufacturer | Nicolet Plastics | Injection … | Nicolet Plastics offers full-service, custom plastic injection molding services | Ability to handle a wide range of production volumes and part complexities Exper |
| Plastic Injection Molding – Full-Service Custom Molding | Universal Plastic Mold (UPM) offers custom and large part plastic injection | One-stop, turnkey manufacturing and logistics services reduce vendor management | Potentially less specialization for extremely niche or micro-scale injection | www.upminc.com |
| RSP, Inc.: Plastic Molding & Contract Manufacturing | RSP, Inc. is a global contract manufacturer specializing in plastic molding, | Wide range of manufacturing capabilities (plastics, electronics, printing, | Specific technical specifications and tolerances for products/services are not | www.rspinc.com |
| Plastic Molding Manufacturing | High Volume Plastic Injection Molding | Plastic Molding Manufacturing (PMM) provides local manufacturing solutions | Quick, efficient, and cost-effective local manufacturing solutions Ability to | Specific technical part/material limitations are not detailed Limited explicit |
| Custom Injection Molding – Pioneer Plastics | Pioneer Plastics offers custom injection molding services, specializing in the | Veteran-owned business with focus on quality American manufacturing Wide | Limited information on minimum order quantities or lead times Specific | www.pioneerplastics.com |
| Custom Plastic Injection Molding Company | Molded Devices, Inc. | Molded Devices, Inc. offers custom plastic injection molding, blow molding, dip | Wide range of molding and manufacturing processes under one company Clean room | No concrete mention of minimum order quantities or lead times Limited public |
| USA Manufacturer | Custom Injection Molding & CNC Machining | MSI | MSI Mold manufactures custom injection molded plastic parts and precision CNC | All manufacturing and tooling done in-house in the USA for quality control Free |
| Plastic Injection Molding | Custom Plastic Molding | Made in USA | Peliton offers high-quality custom plastic injection molding and manufacturing | Competitive pricing with high-quality, USA-based manufacturing Custom assembly, |
| Plastic Injection Molds Manufacturer | Mold Design Company : Plastic … | The company provides custom plastic injection molding services, including | Rapid turnaround (prototype and production in as little as 7 days) Free | Use of aluminum molds without cooling/heating lines may result in somewhat |
Frequently Asked Questions (FAQs)
How do I find reliable plastic injection molding manufacturers?
Start by researching online directories, industry trade shows, and recommendations from industry peers. Look for manufacturers with good reviews, proper certifications, and a history of delivering quality products. Reaching out to several companies lets you compare services, pricing, and customer service responsiveness.
What should I look for when evaluating potential manufacturers?
Check for experience in your specific product sector, modern equipment, and quality control processes. Ask about certifications, sample work, production capabilities, and whether they offer design support or prototyping. A factory visit can also provide valuable insights into their operations.
How can I ensure the quality of the parts produced?
Request information about the manufacturer’s quality assurance practices, such as ISO certifications and inspection reports. Ask for sample parts and review customer testimonials. Establish clear quality requirements in your contract and discuss the process for resolving any quality issues.
What information do I need to provide to get an accurate quote?
Provide detailed drawings or 3D models, specify materials, desired quantities, color requirements, and any special tolerances or finishes. Sharing as much information as possible upfront helps the manufacturer give you an accurate price and lead time.
Is it better to choose a local or overseas injection molding manufacturer?
Local manufacturers offer easier communication, faster shipping, and potential cost savings on logistics. Overseas suppliers may offer lower production costs but could involve longer lead times and increased shipping expenses. Consider your budget, project timeline, and comfort level with international business before deciding.