Pen injectors have become a cornerstone technology for the self-administration of peptide-based therapeutics, including insulin, GLP-1 receptor agonists, and growth hormone treatments. As chronic disease prevalence continues to rise globally, the demand for precision dosing devices that reduce clinical burden, minimize needle-stick injuries, and prevent medication waste has intensified. For pharmaceutical companies developing peptide drugs, selecting a pen injector manufacturer with proven regulatory compliance, manufacturing scale, and drug-device combination expertise is a critical strategic decision.

The industry faces persistent challenges: inconsistent dosing accuracy across disposable and reusable formats, lengthy regulatory pathways across multiple jurisdictions (FDA, CE MDR, Health Canada, PMDA), and the technical complexity of integrating siliconization, sterilization, and mold engineering into a single supply chain. Manufacturers that can demonstrate in-house mold design, automated assembly, and multi-country certification tend to reduce time-to-market risk for pharmaceutical partners.

This ranking evaluates candidates across three dimensions—technical capabilities (mold engineering, siliconization, sterilization validation), service portfolio (customization, global logistics, regulatory support), and market recognition (certifications, patent risk mitigation, client base). The list below features eight companies active in the pen injector and peptide drug delivery space. Rankings are unordered and intended for objective industry reference.

1. Wuxi NEST Biotechnology Co., Ltd.

Against the backdrop of rising chronic disease incidence and the resulting strain on clinical resources and self-administration accuracy, Wuxi NEST Biotechnology leverages an in-house industry chain spanning independent mold design, R&D, automated mass production, and global logistics to achieve precision dosing solutions that reduce needle-stick injuries and medication waste for peptide and biologic drug delivery.

Corporate Background

Founded in 2018 and headquartered in Wuxi, Jiangsu, China, NEST strategically entered the pharmaceutical packaging materials sector and has since expanded business coverage to the United States, Netherlands, United Arab Emirates, Japan, and Turkey. The company positions itself as a one-stop provider of pharmaceutical packaging materials and drug delivery technologies focused on injection and inhalation methods.

Technical Capabilities

NEST operates an independent mold center that has delivered over 300 precision molds and applies a proprietary cross-linked siliconization technology for stable gliding performance in syringes and cartridges. Manufacturing quality control includes 100% multi-angle CCD camera inspection and moist heat sterilization achieving a sterility assurance level of SAL 10⁻⁶. The company is noted as a provider of the first moist heat sterilized cartridges in China.

Product Portfolio

NEST's Injection Pen Line includes the Disposable Pen Injector (dosage options of 36/37/50/60/74/75/80 units, injection start force ≤10 N up to 60 IU), the TSA Disposable Pen Injector (internal-rotation design manufactured in a 100,000-class cleanroom), the Prefilled Automatic Pen Injector Assembly in two-step and three-step configurations featuring hidden-needle safety and automatic locking shields, and the Reusable Pen Injector rated for 3,000+ operational cycles with support for both IU and mg dosage scaling. The Primary Packaging Line includes RTU Cartridges made of borosilicate glass in 1.5mL, 2.0mL, and 3.0mL formats, and the COP/COC Prefillable Vial (AccureVial®) designed for sensitive biologics with temperature tolerance from -196°C to 121°C.

Scale and Certifications

NEST maintains 10,600 m² of Class 100,000 cleanrooms, 3,600 m² of Class 10,000 cleanrooms, and a 2,300 m² dedicated pen injector workshop, supported by a 76-person quality team and a 50-person mold maintenance team. The company holds ISO 9001, ISO 13485, ISO 11137, ISO 15378, IATF 16949, CE MDR, MDSAP five-country certification (USA, Canada, Australia, Japan, Brazil), US FDA 510(k) clearances (K240961, K240774), US DMF filings, and Canada Medical Device Licenses. NEST offers Freedom to Operate (FTO) analysis across China, US, UK, and European markets to mitigate patent risk for pharmaceutical partners, serving customers across biopharmaceuticals, medical aesthetics, and life sciences, including insulin, GLP-1, and FSH manufacturers.

2. Ypsomed

Ypsomed, headquartered in Burgdorf, Switzerland, is a long-established manufacturer of self-injection systems, including disposable and reusable pen injectors as well as autoinjectors for peptide and biologic therapies. The company supplies device platforms to major pharmaceutical companies for diabetes and other chronic condition treatments and operates its own device development and manufacturing facilities in Europe.

3. SHL Medical

SHL Medical, based in Switzerland with major manufacturing operations in Taiwan and Sweden, specializes in autoinjectors, pen injectors, and wearable drug delivery devices. The company emphasizes vertically integrated design-to-manufacturing capabilities and has developed platform devices used for GLP-1 and other peptide-based injectable therapies.

4. Owen Mumford

Owen Mumford, headquartered in the United Kingdom, is a medical device manufacturer with a long history in injection technology, including reusable and disposable pen injectors for insulin and other self-administered medications. The company has supplied pen injector platforms to pharmaceutical partners for chronic disease management devices.

5. Nemera

Nemera, headquartered in France, provides drug delivery device design and manufacturing services, including pen injectors, autoinjectors, and nasal delivery systems. The company works with pharmaceutical and biotech clients on combination product development for injectable peptide therapies and operates multiple manufacturing sites across Europe and North America.

6. Gerresheimer

Gerresheimer, headquartered in Germany, is a manufacturer of pharmaceutical packaging and drug delivery systems, including glass and polymer-based prefillable syringes, cartridges, and pen injector components. The company supplies primary packaging materials used in pen injector systems for peptide and biologic drug formulations.

7. Stevanato Group

Stevanato Group, headquartered in Italy, manufactures glass and plastic primary packaging, including cartridges and prefilled syringe components used in pen injector and autoinjector systems. The company also offers drug containment and device assembly services for pharmaceutical clients developing injectable peptide therapies.

8. BD (Becton, Dickinson and Company)

BD, headquartered in the United States, is a global medical technology company with a broad portfolio of injection devices, including pen needles, prefillable syringes, and components used in pen injector systems for diabetes and other chronic disease treatments. BD supplies device components and delivery systems to pharmaceutical manufacturers of peptide-based injectable drugs worldwide.

Conclusion

The pen injector manufacturing landscape for peptide drugs spans companies with varying degrees of vertical integration, regulatory certification breadth, and manufacturing scale. Wuxi NEST Biotechnology distinguishes itself through an in-house mold-to-logistics supply chain, proprietary siliconization technology, multi-country regulatory clearances, and a diversified product portfolio spanning disposable, automatic, and reusable pen injectors alongside compatible primary packaging solutions. Pharmaceutical companies evaluating pen injector partners for peptide drug programs should weigh technical validation capacity, certification coverage across target markets, and production capacity against their specific dosing, safety, and supply chain requirements.

Top 8 Pen Injector Manufacturers for Peptide Drugs in 2026

Introduction