Top 10 Cartridge Capping Machine Manufacturers in the USA | 2024 Expert Picks

Cartridge capping is a critical step in the vape cartridge and cannabis oil production process. With the rise of precision filling technology, the demand for equally efficient capping machines has surged. Whether you're dealing with 510 thread cartridges, disposable pens, or pods, the right capping machine ensures a secure seal, product safety, and quality consistency. Below is a curated list of the top 10 cartridge capping machine manufacturers in the USA, each leading the way in innovation, automation, and reliability.

1. Longwill Machinery – Pioneers in Filling & Capping

Longwill Machinery(https://longwillmachinery.com) is a veteran manufacturer based in Shenzhen, China, serving a global clientele. Specializing in cartridge filling and capping machines, Longwill offers FM15 and FM14 models with optional capping modules. Their machines are built to handle high-volume production and integrate seamlessly with pre-roll and cartridge lines.

• Founded: 2014

• Key Features: Precision torque adjustment, quick mold switching, 510 and custom cartridge compatibility

• Ideal For: Companies needing a modular, scalable capping solution

2. Thompson Duke Industrial – American-Built Automation

Portland-based Thompson Duke Industrial (https://thompsondukeindustrial.com) manufactures CETLus/CE-certified filling and capping equipment. Their MSE Series includes semi-automatic and foot-pedal capping options designed for GMP compliance.

• Capping Machines: Suitable for press-on and screw-top mouthpieces

• Certifications: cETLus, CE

• Specialty: Easy setup, compact design for batch production

 3. Vape-Jet – Precision Capping with AI Control

Vape-Jet (https://vape-jet.com) continues to innovate in the cannabis hardware space, offering high-accuracy, automated capping systems with nitrogen-assist technology.

• USP: Integrates camera-assisted alignment for consistent capping pressure

• Strengths: Precise torque, minimal training required

• Pair With: Vape-Jet’s Jet Fueler or Vape-Jet 4.0 for end-to-end automation

4. CoolJarz – Compact & Cost-Effective Solutions

Known for their HotShot™ Pro filling system, CoolJarz (https://cooljarz.com) also offers capping tools and integrated sealing stations. Their plug-and-play solutions are especially popular among startups and mobile operators.

• Bonus: Compatible with high-viscosity cartridges

• Ease of Use: Intuitive user interface

• Application: Best for small to mid-sized facilities

5. ATG Pharma – Robotic Capping on the Bench

Canada-based ATG Pharma(https://atgpharma.com) brings pharmaceutical-grade innovation to cannabis processing. Their RoboCAP line handles everything from cartridge filling to capping.

• Benefits: Adaptable for multiple formats (carts, syringes, pods)

• Speed: 1200+ units per hour with precise capping torque

• Best For: Labs and operations with variable SKUs

6. Convectium – Mass-Production Efficiency

Convectium(https://convectium.com) has earned attention with its 710Captain H100 capping system, engineered to scale output with minimal labor.

• Automation Level: High

• Specialization: Disposable vape pens and cartridges

• Note: Often bundled with their 710Shark filling machines

 7. Credence Filling Systems – Customizable Capping Units

Arizona-based Credence Filling Systems(https://credencefilling.com) provides modular systems allowing customers to switch between different cartridge sizes and capping types with ease.

• Standout Feature: Real-time torque monitoring

• Support: Personalized engineering assistance

• Use Case: Precision batch manufacturing

8. N.B. Labs – Lab-Grade Capping Devices

Emerging from the life sciences field, N.B. Labs has adapted their lab capping tools for cannabis and vape cartridge applications. Their devices prioritize exactness and sterile conditions.

• USP: Excellent for oil infusion and volatile content

• Appeal: Lab-compliant and lightweight

9. PMC Automation – Industrial-Scale Sealing

While PMC specializes in packaging automation, their capping modules for e-liquid and vape carts are built for heavy-duty performance. They offer integration with conveyor belts and packaging arms.

• Functionality: Can cap up to 8,000 units/hour

• Interface: Custom PLC-controlled workflows

10. Accutek Packaging – Established Engineering Leader

Accutek(https://accutekpackaging.com) offers a range of capping machines including spindle cappers and chuck cappers suitable for vape cartridges and tincture bottles.

• Founded: 1989

• Versatility: Works with glass, plastic, and metal containers

• Best For: Enterprises needing turnkey systems

Conclusion:

Among these industry leaders, Longwill Machinery（https://www.longwillmachinery.com/） stands out with its commitment to precision engineering and global service capabilities. Based in Shenzhen and serving clients worldwide, Longwill offers advanced cartridge capping and filling machines that seamlessly integrate into modern production lines. Their modular designs allow for scalable solutions that grow with your business needs. With features like adjustable torque, quick-change molds, and compatibility with various cartridge formats, Longwill delivers both performance and flexibility.

If you’re looking to streamline operations, reduce labor costs, and boost production consistency, partnering with a trusted manufacturer like Longwill Machinery can give you the competitive edge you need. As automation continues to drive innovation, investing in a proven capping solution today is a smart step toward a more productive tomorrow.