About Us
Welcome to JR Machining, LLC! We specialize in crafting precision parts from a diverse range of metals, including brass, steel, aluminum, and nickel, thanks to our top-notch equipment and extensive experience. 🔧
Proudly serving the Sonoma County, CA area, we deliver exceptional machine work and high-quality parts tailored for various applications. Reach out with your custom and precision machining needs and let us demonstrate our capability to fulfill your requirements efficiently.
At JR Machining, LLC, we are dedicated to exceeding customer expectations through:
- Delivering quality parts
- Ensuring reliability and on-time deliveries
- Enhancing customer satisfaction
- Continuously improving our processes
- Maintaining an effective Quality Management System
Ready to experience precision at its finest? Would you like to see how we can bring your project to life?

ON-TIME DELIVERY 🚚
Our computer-aided production and scheduling systems ensure on-time deliveries by optimizing material and labor costs, while reducing job cycle times. This precision allows us to meet your timelines efficiently and effectively.
CUSTOMER PARTNERSHIPS 🤝
At JR Machining, we view our customers as partners, integral to our team. We vigilantly oversee each phase of production, keeping you informed every step of the way. This approach ensures project quality and cost-effectiveness. Plus, we're enthusiastic about joining forces in corporate-sponsored cost-cutting initiatives to help you achieve your budget goals.
Here's how we support our partnerships:
- Regular updates throughout production
- Collaborative cost-saving efforts
- Commitment to quality and efficiency
Interested in exploring how our partnership approach can benefit your next project? Would you like more details on our collaborative strategies?

OUR SERVICES
INDUSTRIES WE SERVE 🌐
JR Machining proudly caters to a wide array of industries with our precision machining expertise:
- Medical Tools and Equipment : Delivering high-quality components for healthcare innovations.
- Optical Products: Crafting precision parts for cutting-edge optical technologies.
- Photography Support Equipment: Supplying robust solutions for creative industries.
- Scientific Instruments and Equipment : Engineering components that drive scientific discovery.
- Semiconductor Equipment : Providing critical parts for the tech-driven world.
- Food Processing Equipment : Enhancing efficiency in food production processes.
- Wineries : Supporting the craftsmanship of fine wines with tailored solutions.
- Aerospace : Precision engineering for the demands of the aerospace sector.
- Diving Equipment : Custom solutions for underwater exploration and safety.
- Government Contracts : Reliable partner for high-stakes governmental projects.
- Simulation : Developing intricate parts for realistic simulation environments.
Outside Services 🌟
At our company, we proudly offer a range of secondary services designed to meet your needs with precision and quality. Here's a glimpse of what we can do for you:
- Welding: Our skilled welders ensure strong and durable joints for your projects.
- Part Assembly: Let us handle the intricate assembly of your components.
- Powder Coating: Enhance the durability and aesthetic of your parts with our expert powder coating.
- Anodize & Plating: We offer advanced anodizing and plating for superior surface protection.
- Heat Treating: Optimize the strength and performance of your materials through our heat-treating process.
- Chemical Cleaning: Ensure your parts are spotless and ready for use with our chemical cleaning services.
- Packaging and Labeling (Barcode): We provide secure packaging and precise labeling to keep your products organized and traceable.
