Expert CNC Machine Services with Precision & Fast Turnaround

Experience unmatched precision machining with tolerances down to ±.0002" and fast turnaround times for mission-critical components. Our advanced CNC capabilities, including Swiss turning and 5-axis milling, deliver consistent quality for medical device, aerospace, defense, and photonics industries where failure is not an option.

Advanced CNC machining center performing precision manufacturing operations

Our CNC Machine Services

Complete precision machining solutions from prototyping to production with advanced multi-axis capabilities.

CNC Milling

Precision 3-, 4-, and 5-axis milling for complex, multi-axis components with tight tolerances and consistent repeatability for critical applications.

CNC Turning

High-precision turning for cylindrical and complex geometry parts, delivering tolerances down to ±.0002" with smooth surface finishes.

Swiss Turning

Specialized Swiss turning for complex small-diameter components with exceptional precision, ideal for high-volume production of intricate parts.

Prototyping

Production-intent prototyping that bridges design and manufacturing, testing fit, function, and manufacturability with the same precision as production parts.

Quality Inspection

Certified quality assurance program with CMM inspection, optical measurement systems, and comprehensive documentation for complete traceability.

Material Expertise

Expert machining of challenging materials including titanium, stainless steels, aluminum, PEEK, and specialty alloys for demanding applications.

Mission-Critical Quality

Precision Machining Where Failure is Not an Option

Our advanced CNC capabilities deliver exceptional precision for industries that demand perfection. With tolerances down to ±.0002", multi-axis machining centers, and certified quality systems, we manufacture components that meet the exacting standards of medical device, aerospace, defense, and photonics applications. Every part is produced with meticulous attention to detail and rigorous quality control.

Precision CNC machined components with tight tolerances for medical and aerospace applications
Industry Leaders

Trusted Partners

Serving mission-critical industries with precision machining solutions that exceed expectations.

"Criterion's CNC turning delivers exceptional consistency for our surgical instruments. Tolerances of ±.0002" are reliably met, every single run. They're our go-to precision partner."

Dr. Sarah Mitchell

"We had a critical aerospace component with complex geometry that two other shops rejected. Criterion's 5-axis CNC milling solved it perfectly. Their problem-solving approach is unmatched in our industry."

James Kowalski

"For mission-critical medical devices, cnc machine services must be reliable and precise. Criterion delivers both consistently. Their ISO 13485 certification and tight tolerances give us complete confidence."

Rebecca Hartmann

"We needed prototype runs in two weeks with production-intent quality. Criterion delivered on time with flawless inspection reports. Their responsiveness and quality standards exceeded our expectations."

Tom Richardson

"Their Swiss turning capabilities at tight tolerances represent outstanding value for high-volume micro-component runs. We've partnered with them for over three years with zero quality issues."

Angela Chen

"Working with Criterion feels like partnering with family. Tanya's team treats our projects like their own. The relationship, consistency, and technical expertise keep us coming back for all our complex turning work."

Michael Patterson

"Their Global Advantage CMM with PC-DMIS software and OASIS optical inspection system validate tolerances down to ±.0002". The precision inspection documentation is impeccable for regulated environments."

Kevin Durschlag

"In aerospace and defense, cnc machine services must meet ITAR compliance and deliver zero defects. Criterion's FDA and ITAR registration, plus their woman-owned status, make them our preferred partner."

Colonel David Orozco (Ret.)

"Criterion's CNC turning delivers exceptional consistency for our surgical instruments. Tolerances of ±.0002" are reliably met, every single run. They're our go-to precision partner."

Dr. Sarah Mitchell

"We had a critical aerospace component with complex geometry that two other shops rejected. Criterion's 5-axis CNC milling solved it perfectly. Their problem-solving approach is unmatched in our industry."

James Kowalski

"For mission-critical medical devices, cnc machine services must be reliable and precise. Criterion delivers both consistently. Their ISO 13485 certification and tight tolerances give us complete confidence."

Rebecca Hartmann

"We needed prototype runs in two weeks with production-intent quality. Criterion delivered on time with flawless inspection reports. Their responsiveness and quality standards exceeded our expectations."

Tom Richardson

"Their Swiss turning capabilities at tight tolerances represent outstanding value for high-volume micro-component runs. We've partnered with them for over three years with zero quality issues."

Angela Chen

"Working with Criterion feels like partnering with family. Tanya's team treats our projects like their own. The relationship, consistency, and technical expertise keep us coming back for all our complex turning work."

Michael Patterson

"Their Global Advantage CMM with PC-DMIS software and OASIS optical inspection system validate tolerances down to ±.0002". The precision inspection documentation is impeccable for regulated environments."

Kevin Durschlag

"In aerospace and defense, cnc machine services must meet ITAR compliance and deliver zero defects. Criterion's FDA and ITAR registration, plus their woman-owned status, make them our preferred partner."

Colonel David Orozco (Ret.)

"Criterion's CNC turning delivers exceptional consistency for our surgical instruments. Tolerances of ±.0002" are reliably met, every single run. They're our go-to precision partner."

Dr. Sarah Mitchell

"We had a critical aerospace component with complex geometry that two other shops rejected. Criterion's 5-axis CNC milling solved it perfectly. Their problem-solving approach is unmatched in our industry."

James Kowalski

"For mission-critical medical devices, cnc machine services must be reliable and precise. Criterion delivers both consistently. Their ISO 13485 certification and tight tolerances give us complete confidence."

Rebecca Hartmann

"We needed prototype runs in two weeks with production-intent quality. Criterion delivered on time with flawless inspection reports. Their responsiveness and quality standards exceeded our expectations."

Tom Richardson

"Their Swiss turning capabilities at tight tolerances represent outstanding value for high-volume micro-component runs. We've partnered with them for over three years with zero quality issues."

Angela Chen

"Working with Criterion feels like partnering with family. Tanya's team treats our projects like their own. The relationship, consistency, and technical expertise keep us coming back for all our complex turning work."

Michael Patterson

"Their Global Advantage CMM with PC-DMIS software and OASIS optical inspection system validate tolerances down to ±.0002". The precision inspection documentation is impeccable for regulated environments."

Kevin Durschlag

"In aerospace and defense, cnc machine services must meet ITAR compliance and deliver zero defects. Criterion's FDA and ITAR registration, plus their woman-owned status, make them our preferred partner."

Colonel David Orozco (Ret.)
The Criterion Difference

Why Choose Criterion Precision Machining?

Three generations of precision machining excellence serving mission-critical industries.

Precision

Tight tolerances down to ±.0002" with advanced multi-axis machining capabilities.

Certified Quality

ISO 13485 and ISO 9001 certified with FDA registration and comprehensive quality systems.

Advanced Technology

State-of-the-art CNC equipment including Swiss turning and 5-axis milling centers.

Material Expertise

Specialized experience with titanium, stainless steels, specialty plastics, and challenging alloys.

Meet Our Precision Team

Experienced professionals dedicated to delivering mission-critical components.

Tanya DiSalvo, President of Criterion Precision Machining

Tanya DiSalvo

President

As the third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads a woman-owned business that has evolved from its 1953 origins into a specialized precision machining company. Under her leadership, Criterion has focused exclusively on serving 'No Failure' industries including medical device, aerospace, defense, and photonics. Tanya has championed the company's investment in advanced technology, quality systems, and certification programs that enable Criterion to meet the exacting demands of mission-critical applications. Her commitment to precision and quality has positioned Criterion as a trusted partner for components where failure is simply not an option, maintaining the legacy of excellence established by founder Mike Ondercin while driving innovation for future growth.

Mike Pinchot, Estimator and Project Manager at Criterion Precision Machining

Mike Pinchot

Estimator/Project Manager

Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing extensive expertise in precision machining project management and cost estimation. In his dual role, Mike works closely with clients to understand their specific requirements, providing accurate estimates for complex machining projects while managing the entire production process from concept to completion. His deep understanding of advanced CNC capabilities, including Swiss turning and multi-axis milling, enables him to optimize project workflows and ensure efficient delivery of tight-tolerance components. Mike's attention to detail and project management skills are essential in coordinating the intricate processes required for medical device, aerospace, defense, and photonics applications where precision timing and quality are critical to mission success.

Kelly Marflak, Quality Manager at Criterion Precision Machining

Kelly Marflak

Quality Manager

Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing the comprehensive quality assurance program that ensures every component meets the exacting standards required by mission-critical industries. With expertise in ISO 13485 and ISO 9001 quality systems, Kelly manages the advanced inspection processes using state-of-the-art equipment including the Global Advantage CMM with PC-DMIS software and the OASIS Optical Automatic Smart Inspection System. Her leadership ensures that Criterion maintains the precise tolerances down to ±.0002" that medical device, aerospace, defense, and photonics industries demand. Kelly's commitment to quality excellence guarantees that every part leaving Criterion meets the rigorous documentation and traceability requirements essential for components where failure is not an option, providing clients with the confidence that comes from certified quality assurance.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo

ISO 13485

Medical device quality management certified

ISO 9001 certification logo

ISO 9001

Quality management system certified

WBENC membership certification logo

WBENC Member

Women's Business Enterprise certified

Ready to Experience Precision Excellence?

Contact us today to discuss your CNC machining requirements and receive a detailed quote for your project.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 216-267-1733 You can also send us a quick email at office@criteriontool.com