Advanced Plastiform, Inc. is a medical injection molding company specializing in custom plastic manufacturing for vital healthcare components. Since 1988, they have provided precision injection molding, thermoforming, CNC and robotic trimming, and value-added assembly services, focusing on quality and consistency for complex plastic parts required in medical devices.
Want to email decision-makers? Need a specific city or state?
Find your next customers, fetch contacts, and send outreach — all in one place.
Pen Injector Manufacturers
Last updated: February 2026
This directory lists 75 pen injector manufacturers across the United States, from precision molding specialists for disposable pens to full-service contract manufacturers for complex electronic injectors.
Buyers are primarily solving the challenge of reliably producing sophisticated drug delivery devices that integrate seamlessly with specific drug formulations while adhering to the most stringent medical device regulations. This includes ensuring absolute dose accuracy and repeatability across the device's lifetime, managing the complexities of combination product development, and scaling production efficiently without compromising the robust quality system essential for patient safety and regulatory compliance.
Suppliers in this space range significantly, from component manufacturers specializing in high-precision molding for internal mechanisms or needle hubs, to contract assembly houses focused purely on final device integration. At the more comprehensive end are full-service Contract Development and Manufacturing Organizations (CDMOs) who offer end-to-end support, encompassing design, prototyping, regulatory strategy, and full-scale manufacturing, often acting as the design owner for portions of the device.
Want premium placement for your company?
Get featured at the top of this directory
Company Directory
75 companies nationwide
Based in Woodstock, IL, AdvanTech Plastics provides ISO 13485-certified plastic injection molding services for medical device components and assemblies. Specializing in custom, micro, insert, and two-shot molding, they offer solutions for critical healthcare components and support reshoring initiatives.
Based in Brooksville, FL, American Injectables is an FDA-approved CDMO specializing in sterile injectable drug manufacturing. They provide end-to-end services for parenteral drugs, including vials, syringes, and have capacity for cartridges. The company offers flexible batch sizes and supports the product lifecycle.
Based in Apex, NC, Apiject develops an innovative platform for prefilled injector systems, transforming drug delivery. They combine Blow-Fill-Seal Containers with pen needle hubs to create safer, more affordable, and accessible injections. The company focuses on resilient, scalable manufacturing processes and is opening a new generic injectable drug facility.
ARCH Medical Solutions offers precision machining, contract manufacturing, and supply chain integration for medical OEMs. They produce surgical implants, instruments, and various medical devices using high-speed CNC machines and additive manufacturing in FDA-registered facilities. Expertise includes orthopedic, spine, dental, and surgical robotics.
Based in Lafayette, LA, ASH INDUSTRIES specializes in precision plastic, metal, and silicone injection molding, including in-house tooling and design for manufacturing. They offer ISO 13485 compliant medical molding in an ISO Class 7 cleanroom, alongside secondary operations and assembly services for diverse component needs.
Based in Franklin Lakes, NJ, BD (Becton, Dickinson and Company) is a global medical technology company. They manufacture advanced medical devices, including high-quality, customizable disposable pen injectors such as the BD Vystra™. These pen injectors are designed to support therapies requiring frequent administration.
Based in Los Angeles, CA, Cell-Nest Bio is a medical device company specializing in the development and manufacturing of pen injectors. Their flagship product, NEST PEN, is a reusable pen injector for insulin and other self-administered injectables, which has received US FDA 510(k) approval.
Central Plastics, based in Tracy, CA, is an ISO 13485 certified custom plastic manufacturer. They specialize in injection molding, injection stretch blow molding, and thermoforming. Providing high-quality plastic components and tooling for the healthcare, aerospace, and consumer markets, they are well-suited for medical device applications such as pen injectors.
Based in Milford, NH, Cirtronics is a US contract manufacturer for complex medical devices. They provide electromechanical assembly, PCBA, system integration, and testing services. Cirtronics partners with companies to build critical medical devices, directly supporting manufacturing needs for products such as pen injectors.
Based in Menlo Park, CA, Control Plastics provides custom plastic injection molding, metal components, and assembly services. They specialize in prototyping and production for industries including medical devices, holding ISO 13485 and FDA registration for critical applications.
Based in Menlo Park, CA, Credence MedSystems, Inc. develops and supplies innovative injectable drug delivery solutions and devices for pharmaceutical and biotechnology manufacturers. The company offers a broad family of drug delivery systems, protected by robust intellectual property, designed to meet the evolving needs of users and clinicians.
Based in Elk River, MN, Cretex Medical offers comprehensive contract manufacturing and engineering services for the medical device industry. They provide solutions from component to finished medical device, including assembly and kitting. The company operates with robust quality systems, is ISO 13485 certified, and FDA registered.
Based in Auburn, NY, Currier Plastics is an ISO 13485 certified and FDA registered contract manufacturer specializing in innovative plastic injection molding and custom blow molding services. They provide high-quality, precision plastic components for the healthcare market, including medical devices, focusing on value and velocity.
Based in San Diego, CA, D&K Engineering provides medical device product design and contract manufacturing services. Specializing in the Medical & Life Sciences industry, they leverage two decades of experience to develop innovative products and solutions.
Embecta specializes in advancing innovation for insulin delivery, providing products designed to enhance the injection experience. As a global medical technology company, it focuses on diabetes care, including the development and manufacturing of pen injectors and related devices.
Enable Injections is a healthcare innovation company based in Cincinnati, OH. They specialize in the development and manufacturing of their enFuse wearable drug delivery platform. This innovative technology comfortably and conveniently delivers large volumes of medications subcutaneously, supporting patient self-administration.
HDA Technology offers compliant pilot production services for medical device contract manufacturing. With on-site prototyping capabilities, they support the development and manufacturing of various medical devices. Their expertise makes them a suitable provider for pen injector manufacturing, ensuring adherence to quality and regulatory standards.
Integer designs and manufactures a broad range of finished device systems and Class III medical devices. They produce hundreds of critical components, serving the demanding medical industry. Their expertise encompasses various drug delivery systems, including pen injectors and similar medical technologies.
Based in Woodbury, MN, Kindeva Drug Delivery is a CDMO specializing in comprehensive drug delivery solutions, encompassing injectable, inhalation, and dermal products. The company provides services from development to commercial manufacturing, utilizing extensive aseptic operations and fill suites for innovative drug product production.
Based in Grand Rapids, MI, Medisurge offers complete U.S.-based medical device manufacturing for original equipment manufacturers (OEMs). They provide extensive engineering support, sterilization, and distribution services, partnering with clients from concept to final product. Medisurge handles diverse medical device production requirements.
Medtronic Diabetes manufactures smart insulin pens and continuous glucose monitoring systems. Their product portfolio includes the InPen™ Smart Insulin Pen and the MiniMed™ 780G system, providing advanced diabetes management solutions. They offer comprehensive care and technology for individuals managing diabetes.
Based in Germantown, WI, MGS specializes in contract manufacturing for advanced drug delivery devices. The company develops and customizes autoinjectors, insulin delivery disposables, and wearable injectors. MGS serves as an expert partner for clients seeking next-generation solutions in the medical device sector.
Based in Fitchburg, MA, Micron Solutions is a contract manufacturer specializing in advanced thermoplastic injection molding, precision machining, and assembly. They produce custom parts and drug delivery devices, serving clients in the medical sector. The company offers comprehensive manufacturing solutions from its US facility.
Based in Emigsville, PA, New Concept Technology offers automated medical device manufacturing solutions. Specializing in rapid prototyping, custom overmold, and injection molding, the company holds ISO 13485 certification. They provide comprehensive manufacturing services from ideation to reality, serving the medical industry with high-quality solutions.
Based in Sacramento, CA, Nivagen Pharmaceuticals is a specialty pharma company that develops, manufactures, and markets generics and specialty drugs. They operate a c-GMP sterile injectables facility capable of producing various dosage forms, including vials, pre-filled syringes (PFS), and cartridges, and offer CDMO services.
Norco Plastics, Inc. provides comprehensive medical plastic manufacturing services, specializing in custom plastic mold injection. Based in Southern California, the company offers large tonnage capacity up to 2800 tons, serving the healthcare industry with tailored solutions. They provide end-to-end manufacturing, assembly, and secondary operations for plastic components.
Based in Santee, CA, Pathway Medtech is a contract manufacturer and developer specializing in medical devices. They offer a single-source solution for commercializing products, including design, engineering, regulatory assistance, and manufacturing of medical devices.
PCI Pharma Services is a contract development and manufacturing organization (CDMO) specializing in advanced drug delivery and drug-device combination products. They offer comprehensive manufacturing, assembly, and commercial packaging solutions for various devices, including pen injectors, from their US facilities.
Based in Upland, CA, Precision Molded Plastics Inc is a high-volume plastic injection molder. The company is committed to manufacturing high-quality plastic products and components, suitable for various industries including medical devices like pen injectors.
Pyramid Pharma Services, Inc. provides commercial manufacturing services, specializing in vial and prefilled syringe filling for various pharmaceutical products. Since its first commercial run in 2015, the company offers crucial capabilities for pen injector manufacturers seeking reliable prefilled syringe components. Based in Mesa, CA.
Based in Bland, MO, Roberson Machine Company offers precision CNC machining services, including milling, turning, wire EDM, and 3D printing. They provide prototype to production manufacturing for diverse industries, with a strong focus on medical devices, aerospace, automotive, and electronics, ensuring high-quality components.
Based in Port Richey, FL, Seaway Plastics Engineering is an ISO 13485 certified injection molder specializing in thermoplastic and Liquid Silicone Rubber components. They provide plastic injection molding, in-house tooling, and cleanroom molding and assembly services in ISO Class 7 & 8 environments, serving medical and highly regulated industries.
Based in Macungie, PA, Sharp Services, LLC specializes in autoinjector assembly, labeling, and packaging services. The company offers sterile manufacturing for drug products and comprehensive primary and secondary packaging solutions from its GMP facilities, supporting clinical to commercial launch.
Based in Yorba Linda, California, SpecialTeam is an FDA registered and ISO 13485:2016 certified full-service Medical Device Contract Manufacturer. The company offers comprehensive manufacturing services for various medical devices, supporting clients from design through production. SpecialTeam specializes in delivering high-quality, compliant medical device innovations to market.
Based in Hanover, MA, SRC Medical is an ISO 13485 certified medical contract manufacturing company. They specialize in plastic injection molded products and assemblies, providing comprehensive services from tooling to sterilization management. With a focus on the medical device industry, SRC Medical manufactures critical components for drug delivery systems, diagnostics, and surgical devices.
Stelray is a contract manufacturer specializing in precision plastic injection molding and custom product manufacturing. They provide in-house mold tooling, design support, and value-added finishing, including assembly, within a white room environment. The company is ISO 9001:2015 certified, FDA registered, and cGMP compliant for medical device components.
Based in Merrimack, NH, TechNH specializes in custom plastic injection molding services, providing high-quality, precision parts for the healthcare industry. They handle complex components for highly-regulated medical applications, from prototype to production.
Tegra Medical provides end-to-end contract manufacturing solutions for medical devices, partnering with OEMs globally. The company specializes in producing high-precision components, including exceptionally sharp tips, and offers wire, tubing, grinding, and coating services. Tegra Medical operates multiple facilities in the United States and internationally.
Trademark Plastics (TPI), based in Riverside, CA, is a vertically integrated contract manufacturer specializing in custom medical device components through high-precision plastic injection molding. They feature two Class 8 cleanrooms and controlled white rooms, providing turnkey solutions from concept to production, with ISO 9001 and 13485 certifications.
Based in Valencia, CA, Valencia Plastics Inc. provides high-volume, custom plastic injection and blow molded parts. They specialize in medical injection molding, utilizing medical-grade plastics to create desired shapes and functions for diverse industrial applications.
Weiss-Aug provides precision metal stamping, injection molding, and automated assembly solutions for critical medical device applications. The ISO 13485-certified company manufactures complex components and sub-assemblies for drug delivery devices, including insulin pens and auto-injectors, within ISO Class 7 cleanrooms at its US facilities.
West Pharmaceutical Services, Inc. manufactures packaging components and delivery systems for injectable drugs and healthcare products. The company provides innovative, high-quality injectable solutions and services, supporting drug developers. They focus on the safe, effective containment and delivery of life-saving medicines for patients.
ADLINK SJMC is a US-based, FDA-registered, ISO 13485-certified division specializing in medical device contract manufacturing. They provide comprehensive solutions, including design, development, production, and post-market support for various medical devices, making them suitable for pen injector manufacturing.
Fresenius Kabi Contract Manufacturing offers comprehensive services for sterile medical devices and pharmaceuticals. They specialize in manufacturing high-quality devices for drug applications, including products for insulin therapy and prefilled syringes. The company also provides sterile fill and finish services for various solutions and emulsions.
Gerresheimer develops and produces pen injectors, offering integrated drug delivery system solutions from concept to finished product. The company also manufactures pharmaceutical primary packaging, diagnostic, and medical products. With over 40 global production sites, including US facilities like Denver, CO, Gerresheimer maintains high quality and sustainability.
Based in San Carlos, CA, Medterials Inc. specializes in designing, developing, and manufacturing specialized drug administration devices. They offer comprehensive services for combination products, including product design, testing, and GMP pilot-scale manufacturing. Expertise spans ophthalmology, cardiovascular, and wound care, delivering innovative drug formulations and tailored devices.
Medtronic is a prominent medical technology company that develops and manufactures advanced medical devices. Their offerings include innovative pen injectors, such as the InPen™ smart insulin pen, which integrates with a mobile app for precise dosing calculations and diabetes management.
Based in Marietta, GA, Owen Mumford designs and manufactures self-injection medical devices and injectable drug delivery systems. They develop custom device solutions for intramuscular and subcutaneous injections, serving pharmaceutical and diagnostic companies globally from their own facilities. Their systems deliver medication for many chronic diseases.
Based in Fremont, CA, A&D Precision Inc. is an ISO 13485 certified contract manufacturer. They specialize in medical device manufacturing, providing precision machining, clean room assembly (Class 1,000 and 10,000), and comprehensive assembly services for various medical equipment. The company supports product development through its lifecycle.
Based in Carlsbad, CA, Argonaut Manufacturing Services is a CDMO specializing in aseptic and non-aseptic drug fill-finish. They provide comprehensive manufacturing services for drug-device combination products, including final assembly and packaging of sterile pharmaceuticals into various delivery systems like pen injectors.
Based in Carlsbad, CA, Carlsbad Technology Inc. is an FDA-approved, cGMP-compliant manufacturing facility. They specialize in contract manufacturing and assembly of complex medical devices, including drug delivery systems and injectables, for the pharmaceutical and medical device industries. Services include sterile filling, aseptic processing, and packaging.
Based in Fremont, CA, Evolve Manufacturing Inc. delivers end-to-end contract manufacturing services, specializing in medical devices and life sciences. They offer comprehensive solutions from design and prototyping to production and assembly, including precision manufacturing for complex medical technologies. Their capabilities support the development and production of drug delivery systems like pen injectors.
Fujifilm Biotechnologies is a contract development and manufacturing organization (CDMO) based in Research Triangle Park, NC. They specialize in end-to-end support for biopharmaceutical portfolios, offering cell line development, cGMP drug substance and drug product manufacturing. Capabilities include pre-filled syringes and auto-injector final assembly.
Gilero partners with global healthcare companies, developing innovative medical devices and drug delivery systems from concept to commercialization. They offer tailored solutions for product development, encompassing design, engineering, and manufacturing to support global-scale production for the medtech industry.
JG Plastics Group LLC, based in Costa Mesa, CA, specializes in precision injection molded parts and tooling for demanding, close-tolerance components. Leveraging scientific molding principles and decades of experience, they serve major medical device companies, making them a direct supplier for pen injector manufacturers.
Based in Glen Allen, VA, Kaléo specializes in the innovation, design, and manufacturing of drug-device combinations, specifically auto-injectors. The company develops precision and reliable auto-injectors, utilizing human factors engineering and fully automated manufacturing processes to meet patient needs across various disease categories.
Based in Manitowoc, WI, Kaysun Corporation, Inc. specializes in custom injection molding for complex medical applications. Certified ISO 13485:2016 and MedAccred, Kaysun provides expert medical product design, production, and assembly services. They are well-suited to manufacture components for medical devices such as pen injectors.
Based in Jasper, IN, Kimball Solutions is a Contract Manufacturing Organization (CMO) and Electronics Manufacturing Services (EMS) provider. The company specializes in engineering and design, offering comprehensive solutions for the medical market, including the manufacturing of various drug delivery devices.
Based in Grand Rapids, MI, Medbio, LLC specializes in precision injection molding of medical-grade plastics. They partner with clients to produce components for pharmaceutical devices, leveraging their expertise in advanced molding techniques for critical applications.
Based in Costa Mesa, CA, Mina Products provides medical-grade contract manufacturing for surgical, diagnostic, and life-saving devices. Their expertise includes precision plastic injection molding, micro molding, and cleanroom assembly, ensuring consistent quality. They offer end-to-end solutions from product design to full-scale production for the medical and life sciences industries.
Paragon Medical is a global manufacturer of highly-engineered medical devices and components, headquartered in Pierceton, IN. The company provides comprehensive manufacturing solutions, including design, injection molding, assembly, and cleanroom services. They specialize in various medical markets, including drug delivery, with expertise in manufacturing pen injectors.
Based in Scottsdale, AZ, PDC is a USA-based leader in precision injection molding and micro-molding. They specialize in components for medical devices, diagnostics, and drug delivery applications, operating an ISO 8 cleanroom. Services include in-house tool design, mold fabrication, and assembly using high-performance thermoplastics for OEMs.
Based in Fridley, MN, Resolution Medical specializes in developing and manufacturing complex medical devices. They provide end-to-end services for various delivery systems and active implantables, from concept through commercial production. The company partners with OEMs and innovators, offering comprehensive commercialization support.
Based in San Diego, CA, Rev.1 Engineering is a medical device development company. They specialize in design, development, validation testing, and early-stage manufacturing. This includes expertise relevant to producing complex medical devices such as pen injectors, supporting clients from concept through to initial production.
Spectrum Plastics specializes in custom plastic injection molding solutions, offering applications expertise for medical devices. The company partners with clients from initial ideas to final products, supporting development in areas such as orthopedic, dental, and gastrointestinal healthcare innovations.
Based in Newburyport, MA, UFP MedTech offers full-service design, development, and manufacturing for single-use and single-patient medical devices. They accelerate solutions from concept through launch, providing comprehensive engineering, production, and sterile packaging from their multiple US facilities, ensuring precision and market speed.
Alcami is a US-based contract development and manufacturing organization (CDMO) specializing in comprehensive sterile fill-finish services for pharmaceuticals and biologics. They offer manufacturing capabilities for prefilled syringes, including 1mL long, 1mL standard, and 2.25mL formats, which are critical components for pen injector systems. Alcami also provides integrated lab services.
Cirtec Medical specializes in the design, development, and manufacturing of advanced medical devices. The company provides expert-driven solutions, including low-power microelectronics and ASICs, to enable precise and programmable drug delivery in various medical systems, encompassing both wearable and implantable applications.
Nemera manufactures autoinjectors and pen injectors, providing drug delivery device solutions and combination product services. They support patients with conditions like diabetes, hormonal disorders, and immune disorders, with a focus on patient-centric design and development, including operations in the United States.
Patheon Pharma Services offers fully automated, continuous manufacturing processes for pharmaceutical delivery systems. Specializing in syringe assembly, label application, and electronic verification of label text, the company provides comprehensive contract manufacturing solutions. It serves pharmaceutical clients requiring high-quality, compliant production for various complex drug delivery devices, including pen injectors.
Pfizer CentreOne, based in New York City, NY, is a contract manufacturing organization (CMO) specializing in sterile injectable solutions. They manufacture pre-filled syringes, vials, and cartridges, essential components for various drug delivery devices. The company also offers oral solid dose and antibody-drug conjugate production.
Phillips Medisize is a contract development and manufacturing organization (CDMO) that designs and manufactures high-quality, reliable pen injectors for pharmaceutical applications. They serve leading pharmaceutical, medtech, and in vitro diagnostic companies by providing tailored engineering and production solutions across their global facilities.
Plastikos, Inc. specializes in advanced medical injection molding and precision custom moldmaking, delivering critical plastic components. They produce parts for medical and medication delivery systems, including pen injectors. The company operates state-of-the-art cleanroom facilities with advanced robotics and adheres to rigorous ISO 13485 quality standards.
Viant Medical provides comprehensive design, development, and manufacturing services for medical devices. They specialize in fabrication, assembly, and production, offering expertise in interventional and inhalation device solutions. The company serves OEM customers with complex MedTech challenges.
Found what you're looking for? Unlock 49 emails and 61 phones.
How to Choose a Company
- Regulatory Acumen and Experience: Demand clear evidence of their success in supporting regulatory submissions, specifically FDA 21 CFR Part 820 and ISO 13485 compliance. For companies targeting global markets, verify their track record with CE Mark certification under the EU MDR and participation in the Medical Device Single Audit Program (MDSAP).
- Validation Protocols & Data Transparency: Insist on detailed documentation of their validation protocols (IQ/OQ/PQ) for critical manufacturing processes, assembly, and testing. A crucial red flag is any reluctance to share statistical process control (SPC) data or a lack of clear methodologies for demonstrating dose accuracy and repeatability across all specified drug volumes and viscosities for your specific primary container.
- Expertise in Drive Mechanism and Needle Integration: Go beyond general manufacturing capabilities. Verify their specialized experience in tooling and assembling the precise drive mechanism (e.g., spring-loaded, lead screw, ratchet-based) relevant to your device, as well as their validated processes for secure and sterile needle integration and cap assembly, which are critical for patient safety and drug delivery integrity.
- Red Flag: Underestimating DFM for Combination Products: Be extremely cautious of manufacturers who treat Design for Manufacturability (DFM) for pen injectors like general plastic component DFM. If they don't explicitly discuss material compatibility with your drug, tight tolerances for sub-millimeter dose increments, or the complexities of assembling numerous small, intricate parts under medical-grade cleanroom conditions, they might lack the deep medical device experience required.
Frequently Asked Questions
How do pen injector manufacturers ensure consistent dose accuracy throughout a device's lifespan?
Achieving consistent dose accuracy is paramount and involves several critical steps. Manufacturers utilize ultra-precision molding for components like pistons and dose dials, ensuring tight dimensional tolerances. During assembly, advanced automation and in-process controls, often involving metrology equipment and real-time vision systems, verify correct part placement and function of the drive mechanism. Finally, comprehensive end-of-line functional testing, including simulated usage with inert fluids, statistically validates the device's ability to consistently deliver the intended drug volume over its full operational life, backed by robust validation protocols.
What specialized cleanroom requirements or environmental controls are essential for pen injector manufacturing?
Given that pen injectors are often combination products or sterile devices, manufacturing typically occurs in controlled environments. ISO Class 7 or ISO Class 8 cleanrooms (according to ISO 14644-1) are common for assembly and packaging of non-sterile components that contact the drug path. For sterile devices, or where the primary container is filled by the manufacturer (less common for pen injectors themselves but relevant for pre-filled syringes), ISO Class 5 or Class 6 environments might be required. Beyond particulate control, manufacturers must also monitor temperature, humidity, and differential pressures to maintain product integrity and prevent contamination.
What's the difference in supplier requirements for a startup developing a novel electronic pen injector versus an enterprise pharma company scaling a mechanical device?
A startup with a novel electronic pen injector needs a manufacturer with strong R&D capabilities, expertise in miniaturized electronics integration, software development and validation (e.g., IEC 62304), and robust Human Factors Engineering support to navigate early-stage design challenges and regulatory feedback loops. For an enterprise scaling a well-defined mechanical device, the focus shifts to a supplier's capacity for high-volume automated assembly, supply chain resilience, cost optimization, and ironclad adherence to established validation protocols and global regulatory submissions like MDSAP, ensuring consistency across millions of units.