

About Us
Arizona-Based Precision Manufacturing & Performance Innovation
RNR Manufacturing is a family-owned precision manufacturing company proudly based in Arizona. Founded by a dedicated father-and-son team, our mission is to deliver innovative, high-quality products to the SXS market and beyond — while maintaining affordability and uncompromising craftsmanship.
​
From our Arizona facility, we serve customers locally and nationwide with advanced 3D printing, precision manufacturing, and performance-driven solutions.
​
Built on Arizona Automotive Heritage
Mark Chentfant has been active in the classic automotive industry since 1988, building a reputation for craftsmanship and performance. His son, Robert Chentfant, joined him in 2000, combining hands-on racing experience with modern manufacturing technologies.
​
Racing, automotive performance, and precision fabrication are deeply rooted in our company culture — and proudly carried forward here in Arizona.
​
Precision 3D Printing in Arizona
RNR Manufacturing specializes in high-quality, precision 3D printed products for:
-
SXS and off-road performance
-
Automotive applications
-
Custom fabrication projects
-
Low- to mid-volume production
-
​
As an Arizona 3D printing company, we focus on durability, accuracy, and real-world performance. Every part is produced with strict quality control standards to ensure proper fitment and long-term reliability.
If you're searching for 3D printing services in Arizona, RNR Manufacturing delivers precision you can trust.
​
CNC Machining Services in Arizona – Patriot Machining
To expand our manufacturing capabilities, Robert established Patriot Machining, the sister company to RNR Manufacturing. Together with long-time business partner Austin Reyes, Patriot Machining provides professional CNC machining services throughout Arizona and across the United States.
​
Our CNC machining capabilities include:
-
Precision CNC milling and turning
-
Production machining (low, mid, and high volume)
-
Tight-tolerance components
-
Custom machined parts
-
Prototype-to-production manufacturing
-
​
If you're looking for CNC machining in Arizona, custom machined parts in AZ, or a reliable Arizona manufacturing partner, Patriot Machining is ready to support your project.
​
For CNC machining inquiries, please visit:
👉 patiomachiningaz.com
​
Why Choose an Arizona Manufacturing Partner?
Working with a local Arizona manufacturer means:
-
Faster turnaround times
-
Direct communication
-
Reliable quality control
-
Support for American manufacturing
-
Long-term business partnerships
We proudly serve customers throughout Arizona, including Phoenix, Mesa, Scottsdale, Tempe, and surrounding areas, while shipping nationwide.
​
Our Commitment
As a family-operated Arizona manufacturing company, we believe in:
-
Quality without compromise
-
Honest communication
-
Performance-driven engineering
-
Building lasting partnerships
Whether you need precision 3D printing in Arizona, SXS performance products, or professional CNC machining services, RNR Manufacturing and Patriot Machining are built to deliver.

