U.S. Based Precision Machining | CNC Milling & Turning

DEPENDABLE. PRECISE.
INNOVATIVE.

Exceptional Quality and Unparalleled Service Since 1988

We Don't Just Sell Parts, We Solve Problems.

With over 30 years of relentlessly pursuing excellence, we are your dependable partner for the most demanding contract manufacturing challenges. Tight tolerances, difficult materials, complex designs—bring it on. Our innovative and highly skilled team thrives on delivering precise solutions for the most demanding machining problems for critical industries that drive the world forward.

Services & Capabilities To Keep Your Company Evolving

CNC Milling

Our advanced multi-axis CNC milling services combine precision and versatility, using high-pressure coolant systems and automated machining centers to expertly handle the toughest materials and complex designs, delivering exceptional accuracy and efficiency.

CNC Turning

Our state-of-the-art CNC turning centers deliver precision and efficiency, expertly machining complex cylindrical parts with tight tolerances. Using live tooling for streamlined production, we handle a wide range of materials, including hardened steels up to RC60, all while reducing costs and minimizing setup times.

OEM & Supply Chain Support

We provide comprehensive OEM and supply chain support, offering technical guidance and streamlined supply chain solutions like LTA, dock-to-stock, and JIT deliveries to enhance product performance and operational efficiency.

The Powerful Industries We Serve

Aerospace

Our CNC milling and turning services deliver precise, complex components that meet the stringent requirements of the aerospace industry, ensuring exceptional accuracy, safety, and performance.

Cryogenics

Our CNC milling and turning services produce precise, high-quality components essential for cryogenic equipment, including heat stations, thin-walled cylinders, valve stems, and other critical compressor parts. We specialize in all aspects of cryogenic compressor technology, ensuring reliable performance in extreme low-temperature environments.

National Defense

Our CNC milling and turning services deliver the precise, mission-critical components essential for military equipment and technology, enhancing reliability, performance, and rapid innovation to safeguard national security.

Medical

CNC milling and turning are transforming the medical industry by enhancing precision and efficiency in manufacturing. DPI’s advanced machining ensures unmatched accuracy in medical product development, streamlining production, improving quality, and driving innovation.

Oil, Gas, and Energy

Our CNC machining services deliver precision components essential for separating, compressing, and processing gases like oxygen, nitrogen, and hydrogen, supporting critical processes in the oil, gas, and energy industries, including zero-emissions solutions.

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From the Shop Floor: Latest Insights from DPI

How DPI Inc. Is Pioneering Innovation on the Path to AS9100 Certification

For DPI, pursuing AS9100 isn’t just about aligning with aerospace machining standards. It’s about building a system that consistently delivers machining excellence across every industry the company supports—including aerospace, national defense, cryogenics, medical device manufacturing, oil and gas, and other high-precision fields.

Cryogenics Case Study

Eliminating Welds, Leak Paths, and Tolerance Risk in GM Cryocooler Helium Cylinders For more than thirty years, DPI has partnered with a leading cryogenics OEM manufacturing Gifford–McMahon (GM)

5-Axis Automation Case Study

Eliminating an 8-Operation Workflow Through Multi-Machine Consolidation DPI re-engineered a long-running 303 stainless component that previously required eight separate operations across multiple machines. The legacy process depended on custom fixtures,