Explore the top plastic injection molding companies in Minnesota because comprehending their operations, strengths, and specialties will provide valuable insights for your manufacturing needs.
Exploring the expansive landscape of Minnesota’s plastic injection molding industry uncovers a rich blend of tradition, innovation, and resilience. An array of companies thrive here, each boasting unique capabilities—from meticulous design to efficient production processes—solidifying Minnesota’s position as a pivotal hub in the national molding scene.
The forthcoming discussion navigates this intricate network, focusing on both long-standing industry fixtures and emerging players who are reshaping the field.
What You Will Learn
REO Plastics
Company: reoplastics.com
Facebook page: Facebook
Services:
- Plastic Injection Molding
- Custom Value Added Services
- Plastic Machining
- Plastic Material Decoration
- Stocking/Fulfillment Services
REO Plastics of Minnesota is a plastic injection molding company offering an array of services including advanced plastic molding automation, custom value added services such as plastic machining and material decoration.
Committed to quality, service, and productivity, they focus on delivering innovative solutions to facilitate their customers’ business success with a broad range of capabilities, delivering world-class plastic injection molding and manufacturing services.
Steinwall
Company: steinwall.com
Facebook page: Facebook
Services:
- Thermoplastic injection molding
- Designing of parts
- Engineering services
- Manufacturing and assembly
- Warehousing services
Steinwall is a thermoplastic injection molding industry leader known for its high capacity production, with press capacities from 30 to 1,750 tons, populated by experienced engineers supported by a highly trained team.
Operating out of a manufacturing facility in Minneapolis, Minnesota, Steinwall boasts a quarter million square feet of production space to meet customers’ supply chain needs.
The company consistently produces reliable parts, offering services spanning from design and engineering to manufacturing and assembly.
MME Group, Inc
Company: mmegroupinc.com
Contact phone: (606) 201-7518
Facebook page: Facebook
Services:
- Full-service injection molding and contract manufacturing
- On-site tooling design and builds
- Custom plastic and silicone injection molding
- Secondary operations and high-level assembly
- Supply chain management and distribution
MME Group is an industry-leading full-service injection molding and contract manufacturing firm, providing services from tooling design to distribution. They specialize in various sectors including medical, heavily regulated fields, and consumer industries.
Its comprehensive offerings encompass product design, mechanical engineering, in-house tooling design, custom plastic and silicone injection molding, high-level assembly, packaging, and supply chain management.
Modern Molding Inc
Company: modernmolding.com
Services:
- In-House Tooling
- Engineering
- Production Injection Molding
- Value Added Sub-Assembly
- Custom Injection Molding
This is an injection molding company located in Delano, MN. Since 1981, they have specialized in producing injection molded plastic parts and manufacturing their own molds in-house, providing a one-stop solution for customers.
Services include engineering, quality control, production injection molding, and value-added sub-assembly.
Vital Plastics
Company: vitalplastics.com
Contact phone: (715) 684-5300
Services:
- Plastic injection molding with equipment ranging from 30 to 400 tons capacity
- High volume injection molding
- Prototypes to production services
- Cellular Manufacturing for plastic injection molded components
- Contract assembly with automatic, semi-automatic or hand-set options.
Vital Plastics is a thermoplastic injection molding company offering contract assembly services, focusing on high-volume production.
Boasting a variety of equipment ranging from 30 to 400 tons capacity, they emphasize quality and detail through Cellular Manufacturing for all molded components.
Located east of Minnesota’s Twin Cities metro area, they have been providing superior customer service, design and engineering assistance, along with timely delivery of quality parts since 1994.
Harbor Plastics
Company: harbor-plastics.com
Contact phone: (763) 479-4772
Services:
- Custom plastic injection molding services with the capacity to handle shot sizes up to 51 ounces and clamping forces ranging from 60 to 350 tons
- Advanced molding engineering services meeting high industry standards
- Lean manufacturing capabilities for efficient “lights out” manufacturing
- Supply of 8ml spray tubes for diverse applications from perfumes to mosquito repellants
- Assistance in complex product transfer or reshoring processes with expertise in logistics and part materials.
Harbor Plastics is a high-quality custom plastic injection molding service provider, capable of handling shot sizes up to 51 ounces with clamping forces ranging from 60 to 350 tons. Specializing in short run, low and medium volume production, they possess lean manufacturing capabilities and have a six sigma certified green belt employee on staff.
In addition to offering premium molding engineering services, Harbor Plastics also manufactures 8ml spray tubes and assists in product transfer and reshoring logistics.
AVID International Molding Solutions
Company: avidims.com
Services:
- Full-service plastic injection molding
- In-house mold design and build
- Contract manufacturing
- Fulfillment and assembly operations
- Tooling capabilities (including prototyping, repair, and maintenance)
AVID International Molding Solutions, with over 25 years of plastic molding experience, offers full-service plastic injection molding. Their contract manufacturing program provides turn-key solutions, combining in-house mold design and build with injection molding capabilities, fulfillment, and assembly operations.
With facilities in Elk River, MN and Monterrey, Mexico, the company exhibits a broad size range with 33 presses ranging from 38 to 500 tons and 17 presses ranging from 90 to 650 tons, respectively.
Spectrum Plastics Group
Company: spectrumplastics.com
Contact phone: (952) 929-3312
Services:
- Injection Molding
- Overmolding, Insert Molding and Micromolding
- Assembly & Packaging
- CNC Machining center
- Manufacturing of Medical Devices such as Bioabsorbable Implants and Surgical handles.
Spectrum Plastics Group Minneapolis is a reputable supplier of precision injection molding and assembly with six decades of experience. They specialize in manufacturing high-quality components and fully assembled medical devices using specially engineered materials like PLA/PLGA/PLLA, Bio-Composites (TCP), PEEK/PEI/PPSU, among others.
Their facility spans 105,000 square feet, housing more than 60 presses for various molding techniques such as overmolding, insert molding, micromolding, and also includes an assembly & packaging section and a CNC machining center.
Plastic Products Co
Company: plasticproductsco.com
Contact phone: (763) 389-3683
Services:
- Plant operations across multiple states
- Diverse processing options
- Wide range of press capabilities (34 presses ranging from 89-1000 ton)
- Customized service options extending from design to order fulfillment
- Comprehensive customer service including phone and fax communication channels
Plastic Products Co. Inc., established in 1980, operates plants in multiple states, offering a variety of process choices as well as a comprehensive range of services from design to order fulfillment.
The company utilizes 34 presses, ranging from 89 to 1000 tons, across a space of 154,312 square feet.
Guttenberg Industries
Company: guttenbergindustries.com
Facebook page: Facebook
Services:
- High-precision custom plastic injection molding
- Operations on a 24/5 basis with occasional weekend shift(s)
- Capability to manufacture parts ranging from smaller than an inch to larger than 575 square inches and 10-lbs of plastic
- Custom design, programming, and building of automation for high efficiency production
- Equipment to verify that parts are produced to specifications
The company, established in 1974, provides high-precision custom plastic injection molding and related services from Minnesota to a global clientele.
With about 150 employees, the firm operates three shifts on a 24/5 schedule, using 37 plastic injection molding presses to create parts of varying sizes.
The company uses advanced technology, including robotics and custom-built automation to ensure high production efficiency and accuracy.
Harbor Plastics
Company: harbor-plastics.com
Contact phone: (763) 479-4772
Services:
- Custom Plastic Injection Molding
- Mold Building Services
- Spray Tubes
- Sonic Welding
- Pad Printing
The company specializes in custom plastic injection molding, providing a range of services including mold building, sonic welding, pad printing, and packaging. Their work is marked by precision, efficiency, and customization making them a vital player in the manufacturing industry.
They also offer molding engineering services, applying expertise and innovation in product development.
Vital Plastics
Company: vitalplastics.com
Contact phone: (715) 684-5300
Facebook page: Facebook
Services:
- Custom injection molding services
- Prototyping to production molding & assembly
- High volume manufacturing with distinct focus on individual customer needs
- Contract Assembly with a large assembly team
- Assistance in design & engineering with quality part supply on time
Vital Plastics, Inc., specializes in thermoplastic injection molding and contract assembly, providing custom solutions from prototypes to large volume production.
The company distinguishes itself through its team of engineers and support staff, with a keen focus on customer’s individual needs.
Operating from two manufacturing facilities strategically located east of Minnesota’s Twin Cities metro area, the company utilizes all-electric injection molding machines in a 70,000 sq. ft. climate controlled manufacturing space.
CDM Tool & Manufacturing
Company: cdmtool.com
Contact phone: (262) 673-5620
Services:
- Custom injection mold manufacturing
- Injection mold design
- Production of molds from Class 101 to Class 105
- Detailed work on various types of injection molds (including Stack, Gas Assisted, Complex Action, Multi-Shot, and Insert Molding)
- Specialized solution design for specific molding needs
CDM Tool & Manufacturing is a noted custom injection mold manufacturer based in Minnesota. Known for the production of high-quality, precise injection molds, the company uses a variety of equipment and relies on an experienced design team to deliver the work.
CDM’s manufacturing process involves working closely with their clients’ engineers to design and produce molds ranging from Class 101 to Class 105, capable of withstanding up to one million uses.
They specialize in creating various types of molds including stack molds, gas assisted molds, complex action molds, multi-shot molds, and insert molding.
Exceleron Medical
Company: exceleronmedical.com
Contact phone: (877) 834-9279
Services:
- Advanced plastic injection molding
- Breathing Circuit Bacterial Filters manufacturing
- CPAP Filters & Supplies manufacturing
- Custom Medical Filtration manufacturing
- Oxygen Concentrator Filters manufacturing
Exceleron Medical is a St. Paul-based company that specializes in advanced plastic injection molding, offering a wide range of services to local and global medical device companies.
The company is ISO 13485:2016 certified, uses electric, servo driven horizontal and vertical injection mold presses to meet tight tolerances, and operates an ISO quality system to ensure consistent quality control.
Exceleron Medical is also a manufacturer of filtration technologies, including N95 materials and respiratory filters.
Gemini Letters Direct
Company: geminilettersdirect.com
Services:
- Production of made-to-order goods within 14 business days from art approval.
- Provision of different letter styles and colors.
- Offering of mounting options including plain, studs, pads, combination, and combination all.
- Supply of specific mounting hardware suitable for brick or block wall mortar joints.
- Production and supply of letters with dimensions specific to customers’ needs (not under 6″ for certain mounting options).
BrandsGemini is an injection molding company offering custom, made-to-order products with a 14-business day production timeline post-art approval. Their offerings, starting at $13.00, include a variety of letter styles, colors, and mounting options. The company provides several mounting options including plain, stud, pad, and combination types, each accommodating different installation needs for their injection-molded letters.
Federal Molding
Company: federalmolding.com
Contact phone: (651) 777-1305
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Tynik Molding
Company: tynikmolding.com
Contact phone: (507) 291-3495
Services:
- Injection molding services
- Plastic prototype development
- Flaw detection services in early production
- Transformation of conceptual projects into quality marketable products
- Open communication and flexible solutions for production and payment
TyNik Molding, Inc. is an injection molding and plastic prototype development company based in Faribault, Minnesota with over 35 years of industry experience. They specialize in transforming conceptual projects into high-quality, marketable products.
The company prides itself on detecting flaws early in production and providing cost-effective solutions, committing to reliable part production and high standards of customer service.
Midwest Plastics, Inc
Company: midwest-plastics.com
Contact phone: (800) 423-9137
Facebook page: Facebook
Services:
- Custom injection molding for various markets including aerospace, building, industrial, electronic, medical, maritime, and military.
- Operation of injection molding presses in 55-ton to 1,600-ton range for small, large, and multi-component parts.
- Support in selection of materials for optimizing manufacturability, quality, and service performance.
- Production of components with shot sizes from 1.4-ounce to 365-ounce range, able to fill molds with up to 64 cavities.
- Comprehensive engineering and in-house mold design-build capabilities.
Midwest Plastics is a manufacturer of custom injection molded products catering to diverse markets like aerospace, industrial, medical, and military. They work with a wide range of resins and operate injection molding presses in a 55-ton to 1,600-ton range, making them capable of molding small, large, and multi-component parts in prototype, low volume, and high volume quantities.
Their services are reinforced by their strong engineering and in-house mold design-build capabilities, as well as their proficiency in multiple injection molding processes including in-mold assembly.
APS Precision Injection Molding Services
Company: myapsi.com
Contact phone: (262) 971-2774
Services:
- Precision injection molding services
- Multi-shot injection molding
- Insert molding and assemblies
- Turnkey manufacturing solutions
- Spectrometer color matching
Alpha Plastics Solutions, Inc. is a global provider of precision injection molding services, offering multi-shot injection molding, insert molding, and assemblies to various specifications.
This firm offers a holistic production approach, handling tasks from prototyping to final product, in quantities ranging from 4 to 40,000,000 parts.
They offer supplemental services such as color matching, in-mold labeling, ultrasonic welding, and printing, and they have demonstrated their capabilities in projects for the trucking and toy industries.
MN Rubber & Plastics
Company: mnrubber.com
Facebook page: Facebook
Services:
- Development and manufacturing of custom-molded rubber and thermoplastic components
- Integration of rubber and thermoplastic components in complex assemblies
- Material science, design support, and manufacturing consultation for engineering challenges
- Design and manufacturing of close-tolerance components complying with federal regulations
- Precision molding of rubber components with outstanding technical and manufacturing services
This injection molding company specializes in developing and manufacturing custom-molded rubber and thermoplastic components and their integration into complex assemblies. Its clients often engage it early in projects for its expertise in material science, design support, and manufacturing. The company excels at creating close-tolerance components and assemblies that meet strict FDA regulations.
Productions are carried out through global operations and it is committed to delivering excellence in the quality and performance of its products.
Taurus Engineering
Company: taurusengineering.net
Services:
- Design For Manufacturing Injection Molding
- Insert & Soft Touch Molding
- Value Added Manufacturing
- In-House Mold Making
- Complete Contract Manufacturing
Located at 1375 Willow Lake Blvd, St. Paul, MN, Taurus Engineering is an injection molding company offering complete contract manufacturing services with a focus on medical product development.
They provide a range of services such as design for manufacturing, insert and soft touch molding, value-added manufacturing, and in-house mold making.
The company showcases flexibility and rapid responsiveness, making them an apt partner for medical product developers.
Plastech Corporation
Company: plastechcorporation.com
Services:
- Full service custom injection molding
- Contract manufacturing
- Insert, foam and gas-assist molding
- Overmolding, clear part molding, in mold labeling
- Project management services
Plastech Corporation is a full-service custom injection molder and contract manufacturer that has been providing best in class project solutions since 1963.
The company has extensive capabilities which include injection molding, insert, foam, and gas-assist molding, overmolding, clear part molding, in-mold labeling, and handling multiple presses from 30 – 1,500 tons.
It also specializes in project management, employing a team of experienced professionals to oversee every project, augmented by quality control and supply chain management.
Protolabs
Company: protolabs.com
Facebook page: Facebook
Services:
- Custom plastic parts production
- Aluminum mold usage for cost-efficient tooling and accelerated manufacturing cycles
- Stock of about 200 different thermoplastic resins
- Design guidelines for enhanced moldability, cosmetic appearance, and production time reduction
- Quality inspections including Critical to Quality inspections
This injection molding company specializes in creating custom plastic prototypes and end-use production parts with speedy lead times. It boasts of several high-profile certifications such as ISO 9001:2015 and ITAR Registered, highlighting their commitment to quality.
Utilizing cost-efficient aluminum molds, the firm stocks approximately 200 different thermoplastic resins for applications like low-volume production, bridge tooling, and prototyping.
Darter Plastics
Company: darter.com
Services:
- Injection molding
- Pad printing
- Mold creation
- Engineering and design
- Product assembly services
Darter Plastics is an industry-leading injection molding company offering additional value-added services such as engineering, design, and product assembly. It is globally recognized for maintaining high-quality standards, prompt product delivery, and customized mold creation services.
The company prides itself on being a one-stop solution for clients, providing tailor-made, comprehensive services and products, resulting in consistent client retention.
JD Products
Company: jdproductsinc.com
Facebook page: Facebook
Services:
- High-quality injection molded parts production
- Timely delivery of molded parts
- Provision of affordable plastic products for various industries
- Excellent customer service
- Manufacturing facilities expansion for increased production capacity
JD Products Inc is an injection molding company based in Vadnais Heights, Minnesota. Established in 1974 by James Denney Sr, JD Products has been servicing various industries with high-quality, affordable injection molded parts for close to 50 years.
The company continues to grow based on its commitment to trust, excellent customer service, and product quality, and currently operates from a 45,000 square foot manufacturing facility.
Diversified Plastics, Inc
Company: divplast.com
Contact phone: (512) 921-6396
Facebook page: Facebook
Services:
- Custom micro-molding
- Plastic-injection molding
- Additive manufacturing
- Design for manufacturing assistance
- Cleanroom assembly and packaging
Diversified Plastics, Inc. (DPI) is an employee-owned company that provides high-precision micro-molding, plastic injection molding, and additive manufacturing services. Specializing in complex components for the medical device, filtration, telecommunications, electronics, and various industrial markets, DPI offers a full-service approach, including design assistance, molding, assembly, and packaging.
Additionally, DPI hails as a member of the Carbon® Production Network, leveraging the Carbon DLS process in their Acceleration Station® services for a quicker market entry, and operates in Minneapolis, Minn. and Vista, Calif. The company holds ISO 9001:2015 and 13485:2016 certifications, and is FDA registered, ITAR certified, and UL registered.
Smith Metal Products
Company: smithmetals.com
Contact phone: (651) 257-3143
Services:
- Titanium MIM (Metal Injection Molding)
- 3D Binder-Jet Metal Printing
- In-House Metallurgy Lab
- Designing for MIM
- Vendor Differences in MIM Process
The injection molding company specializes in several areas, including Titanium Metal Injection Molding (MIM), 3D Binder-Jet Metal Printing, and has an in-house metallurgy lab.
They serve diverse industries such as firearms, medical, aerospace, automotive, and appliances.
The company’s techniques include several steps from molding to debinding, sintering, and secondary operations.
Alexandria Industries
Company: alexandriaindustries.com
Contact phone: (800) 568-6601
Facebook page: Facebook
Services:
- Plastic injection molding solutions of various sizes
- Use of latest industry standards and high-quality raw materials
- Production of innovative solutions tailored to customer needs
- Advanced component features and tight tolerances with state-of-the-art equipment
- Single-source for all component needs, saving time and money
Alexandria Industries is a plastic injection molding company that provides a variety of custom plastic shapes with its advanced equipment and raw materials. They cater to the individualized needs of their customers, maintaining industry standards while innovating solutions, and strive to achieve tighter tolerance requirements.
Their cutting-edge TMC E-series plastic injection-molding presses reduce lead times by up to 50%, improve capacity, and adapt to dynamic client needs. The company ensures the delivery of high-quality components, offering sourcing from a single location for customer convenience and cost-effectiveness.
Aroplax Corporation
Company: aroplax.com
Facebook page: Facebook
Services:
- Proven injection molding partner
- Best mold design assurance
- Appropriate material selection
- Efficient manufacturing processes
- Timely delivery of products
The injection molding company boasts a reliable and experienced partnership in the industry. They promise an optimized mold design, suitable material selection, and efficient manufacturing. Delivering as promised is their prominent commitment.
Minnesota Rubber & Plastics
Company: mpo-mag.com
Facebook page: Facebook
Services:
- Optimizing material selection for injection molded applications
- Manufacturing with Plastics & Metals
- Medical Contract Manufacturing
- RJG Mold Smart Award for innovation
- Running implant device Clinical Studies
Minnesota Rubber & Plastics specializes in optimizing material selection for customers’ injection molded applications, with a key focus on the medical market.
The company provides contract manufacturing services, handling both plastic and metal materials.
It’s recognized for innovations such as an implantable device with an oxygen factory, spotlighting their commitment to cutting-edge medical technology.
Pacific Plastics Injection Molding
Company: pacificplastic.com
Services:
- Injection molding
- Custom mold creation
- Engineering and design services
- Complete tooling services
- Manufacturing services
Pacific Plastics Injection Molding is a company that produces injection molds and molded plastic parts, offering services that encompass design, tooling and manufacturing.
Their work exceeds customer requirements, providing great service and value at a reasonable price.
The company, being ISO 9001:2015 and ISO 13485:2016 certified, was acquired by Diversified Plastics, Inc. in 2018, resulting in shared capabilities and resources for their ISO certified facilities.
OMP
Company: omp-usa.com
Contact phone: (262) 567-1313
Services:
- Design Services
- Molding Services
- Mold Building Services
- Value Added Services
- Tool Transfer
Oconomowoc Molded Products is a prominent injection molding service located in Minnesota that has been operating for over 20 years.
The company provides a range of services including design, mold building, and additional value-added services.
They have served various manufacturing and design firms in several cities across Minnesota, assisting different industries with their custom injection molded parts.
Matchless Plastics, Inc
Company: matchlessplastics.com
Contact phone: (763) 557-0995
Services:
- Thermoplastic injection molding
- Hybrid Aluminum/Steel tooling
- Soft touch over-molding and insert molding
- Light assembly
- Texturing, pad printing, and machining.
Located near Minneapolis, Minnesota, the company is a specialist in thermoplastic injection molding and tool making, featuring rapid turnaround hybrid aluminum/steel tooling and high-end thermoplastic molding.
It takes full in-house approach to production, covering aspects like complex parts geometries, tight tolerances and features an experienced engineering staff.
The company underlines a broad range of value-added services, including soft touch over-molding, insert molding, texturing, pad printing, and light assembly, all while maintaining ISO 9001:2015 certification and demonstrating a commitment to continuous improvement.
Commercial Plastics Company
Company: ecommercialplastics.com
Contact phone: (262) 605-9000
Facebook page: Facebook
Services:
- Plastic Injection Molding
- Large Part Molding
- Structural Foam Molding
- Post Molding Decorating
- Automated Assembly & Packaging
Commercial Plastics Co., an Illinois-based company, possesses a comprehensive array of injection molding services including large part molding, structural foam molding, two-shot molding, and various decorating and assembly services.
They cater to a wide spectrum of sectors such as aerospace, agriculture, beauty products, healthcare, lighting, and more.
Recently, Commercial Plastics Co expanded by acquiring the assets of Imperial Plastics Inc., a custom injection molder based in Lakeville, Minnesota.
SafeWay
Company: safewayhyd.com
Facebook page: Facebook
Services:
- Plastic injection and insert injection molding services
- Supply of a broad range of standard and custom products
- Partnering with machining, stamping, and assembly divisions for complete supply chain solutions
- Full range of support services, including engineering and secondary operations
- Assistance in product design with a focus on quality for manufacturing and assembly.
Specialty Integrated Services Plastic Injection Molding, based in Minnesota, is a full-service injection and insert injection molding provider, specializing in polypropylene molding.
Equipped with 23 presses with shot sizes ranging from 2 to 80 ounces, the company provides a wide range of standard and custom products, operates with notably short lead times, and offers engineering and secondary operations.
They aim for customer satisfaction through excellent service and high-quality product design and manufacturing.
LCS Precision Molding
Company: lcsplasticsinc.com
Services:
- Custom injection molding projects
- Part design and prototyping
- Assistance with resin selection
- Sourcing cost-effective tooling
- Short run manufacturing and part assembly
LCS Precision Molding, Inc. operates over 45 years, providing one-stop service for custom injection molding projects across different industries such as fenestration, motorsports, furniture, and electronics.
The firm boasts service-oriented sales staff, experienced engineers, and a high-performance injection molding factory with 15 injection presses.
This company guides clients from design to full-scale production, offering services like part design, prototyping, resin selection, and sourcing cost-effective tooling.
The firm specializes in cost-effective short run manufacturing, part assembly, and consistent OTD record of >95%.
Sign Letter Source
Company: signlettersource.com
Services:
- Production of Injection Molded “Minnesota” letters from durable CAB material
- Offering varied sizes, depths and styles of Injection Molded Plastic Letters
- Provision of all-weather plastic letters with a lifetime warranty against fading, cracking, and chipping
- Manufacturing of eco-friendly products using cellulose acetate butyrate (CAB)
- Maintenance check and replacement service for failed letters
The company specializes in injection molding, specifically in the production of plastic letters, numbers, and logos often referred to as “Minnesota” letters. These products, made from cellulose acetate butyrate (CAB), are designed to simulate the look of cast letters and able to withstand various environmental conditions, including extreme heat and cold, without fading or cracking.
They offer a lifetime warranty on their products, with a commitment to provide replacements for any failed items at no additional charge.
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