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Business Details
20 Years
experience
Precision CNC Machining Services in Wellington, CO
Established in 2006 by Jeff, Jeremy, and Justin Robinson, 3J Inc. is a family-owned business rooted in generations of machining expertise. Our commitment to precision and quality is underscored by our AS9100-certified quality management system, ensuring every product meets rigorous industry standards. With a skilled workforce and state-of-the-art CNC machining capabilities, we serve diverse sectors including aerospace, defense, agriculture, automotive, and medical industries. We specialize in prototyping, high-volume production, and material versatility, working with metals, plastics, and exotic materials to deliver tailored solutions.

Our mission prioritizes customer satisfaction through innovation, efficiency, and continuous improvement, while fostering a culture of safety and excellence. As a trusted partner, we combine technical proficiency with a dedication to reliability, ensuring clients receive precision-engineered components that meet their exact specifications.
Services
CNC Machining Prototyping High Volume Production Material Versatility Quality Assurance Aerospace Components Defense Manufacturing Medical Device Parts Automotive Production Custom Metal Fabrication
Details
  • Year established: 2006
Highlights and features
  • We combine generations of machining expertise with AS9100-certified quality systems.
  • Our scalable production handles single prototypes to seven-digit volume runs.
  • We work with metals, plastics, and exotic materials for diverse applications.
  • Our CNC capabilities include lathes, mills, and hybrid machines for precision.
  • We serve critical industries like aerospace, defense, and medical with tailored solutions.
Associations and certifications
  • AS9100 Rev D
  • ISO 9001:2015
  • ITAR (M32762)
  • JCP Certified (0089050)
Services
CNC Machining
Our CNC machining services utilize advanced lathes, mills, and hybrid machines to produce complex components with tight tolerances. We serve aerospace, defense, and medical industries with precision-engineered parts. Our scalable capabilities handle prototyping through high-volume production, ensuring consistency and quality across all projects.
Prototyping
We transform concepts into functional prototypes using state-of-the-art CNC technology. Our team optimizes designs for performance and manufacturability, reducing time-to-market while maintaining material efficiency and cost-effectiveness for clients across diverse industries.
High Volume Production
Specializing in large-scale manufacturing, we deliver high-volume production runs with consistent quality and efficiency. Our optimized processes reduce cycle times and costs while meeting strict industry standards for aerospace, defense, and automotive sectors.
Material Versatility
We work with metals, plastics, foams, and exotic materials to meet exact specifications. This flexibility allows us to provide tailored solutions for industries ranging from food processing to green energy applications.
Quality Assurance
Our AS9100 Rev D and ISO 9001:2015-certified quality systems ensure rigorous compliance. We use NIST-traceable measurement equipment and continuous improvement practices to guarantee product reliability and customer satisfaction.
People
Jeff Robinson
Owner/President (CEO)
Jeff Robinson leads 3J Inc. with over 20 years of machining industry experience, driving strategic growth while maintaining family values and operational excellence in precision manufacturing.
Jeremy Robinson
Owner/VP of Operations (COO)
Jeremy Robinson oversees daily operations at 3J Inc., ensuring production efficiency and quality compliance. His hands-on approach strengthens our commitment to scalable, precision-engineered solutions for diverse industries.
Justin Robinson
Owner/VP of Finance (CFO)
Justin Robinson manages financial strategy at 3J Inc., balancing fiscal responsibility with investment in cutting-edge technology to support long-term client partnerships and operational growth.
Larry Kimble
Project Manager
Larry Kimble coordinates complex projects at 3J Inc., ensuring timely delivery and client communication. His expertise bridges technical requirements with practical execution across aerospace and defense contracts.
Colton Buckner
Quality Manager
Colton Buckner leads quality control at 3J Inc., maintaining AS9100 and ISO 9001 standards. His team ensures every component meets rigorous specifications through NIST-traceable measurement systems.
Questions
What industries does 3J Inc. serve?
We serve aerospace, defense, agriculture, automotive, medical/dental, petroleum, green energy, firearms, railroad, food, and construction industries with precision machining solutions.
What materials can you work with?
We handle metals, plastics, foams, wood, and exotic materials to meet diverse client specifications across multiple sectors.
Are your quality systems certified?
Yes, we maintain AS9100 Rev D, ISO 9001:2015, ITAR, and JCP certifications to ensure rigorous quality standards.
Can you handle large-scale production?
We specialize in high-volume production runs up to seven-digit quantities while maintaining precision and cost efficiency.
Do you offer prototyping services?
Yes, our CNC capabilities include prototyping with design optimization for performance and manufacturability.
Where is your facility located?
Our precision machining facility is located at 8900 West 1st Street, Wellington, CO 80549.