Advanced Precision Machining Services with Custom Solutions

Delivering mission-critical precision machining components with tolerances down to ±.0002" for aerospace, defense, medical device, and photonics industries. Our ISO-certified facility combines advanced Swiss turning, 5-axis CNC milling, and rigorous quality systems to ensure your complex geometries meet exacting specifications where failure is not an option.

Advanced precision machining facility with CNC equipment and quality control systems

Our Advanced Precision Machining Services

Complete precision machining solutions for mission-critical applications across aerospace, defense, medical device, and photonics industries.

Swiss Turning

Complex components with tight tolerances down to ±.0002" for small-diameter, high-volume production with exceptional surface finishes.

CNC Milling

Precision 3-, 4-, and 5-axis milling for intricate, multi-axis components with consistent repeatability and complex geometries.

CNC Turning

High-precision turning for cylindrical and complex geometry parts, delivering tight tolerances and smooth surface finishes.

Prototyping

Production-intent prototyping with same precision and quality standards as full production, bridging design and manufacturing.

Quality Inspection

Certified quality assurance with Global Advantage CMM, OASIS optical inspection, and comprehensive documentation services.

Custom Solutions

Tailored precision machining solutions for unique applications requiring specialized materials and complex manufacturing processes.

Custom Solutions

Mission-Critical Precision Where Failure Is Not an Option

Since 1953, Criterion has evolved into a specialized precision machining partner for industries demanding absolute accuracy. Our ISO-certified facility combines advanced Swiss turning, multi-axis CNC capabilities, and rigorous quality systems to deliver components with tolerances down to ±.0002". From prototype to production, we machine titanium, stainless steels, and specialty materials with the precision your critical applications demand.

Precision machined components showcasing tight tolerances and complex geometries
Proven Excellence

Trusted by Industry Leaders

Delivering mission-critical components for leading companies in aerospace, defense, medical devices, and photonics.

"Criterion's Swiss Turning capabilities are exceptional. They delivered our medical device components with tolerances of ±.0002" consistently. Reliable partner for mission-critical applications."

Dr. Sarah Chen

"We struggled with tight tolerance aerospace parts until Criterion solved it. Their 5-Axis CNC milling and ProShop ERP system eliminated our production bottlenecks completely."

James Hartley

"For advanced precision machining, Criterion stands out in the defense sector. ISO 13485 and 9001 certified, ITAR registered, and their team understands no-failure requirements deeply."

Robert Martinez

"We needed prototype runs urgently. Criterion delivered within 48 hours with production-intent quality. Their CNC Turning capabilities and responsiveness saved our project timeline."

Michelle Torres

"Their Quality Inspection service included complimentary Certificates of Conformance and inspection reports. Exceptional value combined with Global Advantage CMM precision meets our specifications."

Kevin O'Brien

"Working with Criterion for three years now. Their consistency with titanium and specialty materials, plus Tanya's leadership, makes them our most trusted precision partner."

Patricia Lee

"Their OASIS Optical Inspection System and Keyence measuring capabilities deliver unmatched precision. The PC-DMIS CMM software documentation proves their technical excellence clearly."

Dr. Victor Kozlov

"As an industry peer, I recommend Criterion for advanced precision machining. Woman-owned WBENC member with 70 years' legacy, ISO certifications, and genuine expertise in no-failure sectors."

Elizabeth Weinstein

"Criterion's Swiss Turning capabilities are exceptional. They delivered our medical device components with tolerances of ±.0002" consistently. Reliable partner for mission-critical applications."

Dr. Sarah Chen

"We struggled with tight tolerance aerospace parts until Criterion solved it. Their 5-Axis CNC milling and ProShop ERP system eliminated our production bottlenecks completely."

James Hartley

"For advanced precision machining, Criterion stands out in the defense sector. ISO 13485 and 9001 certified, ITAR registered, and their team understands no-failure requirements deeply."

Robert Martinez

"We needed prototype runs urgently. Criterion delivered within 48 hours with production-intent quality. Their CNC Turning capabilities and responsiveness saved our project timeline."

Michelle Torres

"Their Quality Inspection service included complimentary Certificates of Conformance and inspection reports. Exceptional value combined with Global Advantage CMM precision meets our specifications."

Kevin O'Brien

"Working with Criterion for three years now. Their consistency with titanium and specialty materials, plus Tanya's leadership, makes them our most trusted precision partner."

Patricia Lee

"Their OASIS Optical Inspection System and Keyence measuring capabilities deliver unmatched precision. The PC-DMIS CMM software documentation proves their technical excellence clearly."

Dr. Victor Kozlov

"As an industry peer, I recommend Criterion for advanced precision machining. Woman-owned WBENC member with 70 years' legacy, ISO certifications, and genuine expertise in no-failure sectors."

Elizabeth Weinstein

"Criterion's Swiss Turning capabilities are exceptional. They delivered our medical device components with tolerances of ±.0002" consistently. Reliable partner for mission-critical applications."

Dr. Sarah Chen

"We struggled with tight tolerance aerospace parts until Criterion solved it. Their 5-Axis CNC milling and ProShop ERP system eliminated our production bottlenecks completely."

James Hartley

"For advanced precision machining, Criterion stands out in the defense sector. ISO 13485 and 9001 certified, ITAR registered, and their team understands no-failure requirements deeply."

Robert Martinez

"We needed prototype runs urgently. Criterion delivered within 48 hours with production-intent quality. Their CNC Turning capabilities and responsiveness saved our project timeline."

Michelle Torres

"Their Quality Inspection service included complimentary Certificates of Conformance and inspection reports. Exceptional value combined with Global Advantage CMM precision meets our specifications."

Kevin O'Brien

"Working with Criterion for three years now. Their consistency with titanium and specialty materials, plus Tanya's leadership, makes them our most trusted precision partner."

Patricia Lee

"Their OASIS Optical Inspection System and Keyence measuring capabilities deliver unmatched precision. The PC-DMIS CMM software documentation proves their technical excellence clearly."

Dr. Victor Kozlov

"As an industry peer, I recommend Criterion for advanced precision machining. Woman-owned WBENC member with 70 years' legacy, ISO certifications, and genuine expertise in no-failure sectors."

Elizabeth Weinstein
The Criterion Difference

Why Choose Criterion Precision Machining?

Three generations of precision machining excellence for industries where failure is not an option.

Certified Excellence

ISO 13485 and ISO 9001 certified with FDA and ITAR registration.

Extreme Precision

Tight tolerances down to ±.0002" with advanced Swiss turning and multi-axis capabilities.

Advanced Technology

State-of-the-art CNC equipment including 8-axis Swiss machines and 5-axis milling centers.

Woman-Owned Business

WBENC certified woman-owned enterprise with third-generation leadership and proven reliability.

Meet The Criterion Team

Experienced professionals dedicated to precision machining excellence.

Professional headshot of Tanya DiSalvo, President

Tanya DiSalvo

President

As the third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads a woman-owned precision machining company that has evolved from a general machine shop founded by her grandfather Mike Ondercin in 1953. Under her leadership, Criterion has become a trusted partner for mission-critical industries including medical devices, aerospace, defense, and photonics. Tanya has guided the company's transformation into a specialized precision machining facility focused on serving 'No Failure' sectors, investing in advanced technology and quality systems to meet the exacting demands of industries where precision and reliability are paramount. Her commitment to excellence and innovation continues the family legacy of delivering exceptional precision machining solutions.

Professional headshot of Mike Pinchot, Estimator/Project Manager

Mike Pinchot

Estimator/Project Manager

Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing extensive expertise in project coordination and cost estimation for complex precision machining projects. His role involves working closely with clients to understand their specific requirements, developing accurate project estimates, and managing the execution of precision machining projects from initial consultation through final delivery. Mike's deep understanding of machining processes, materials, and manufacturing timelines ensures that every project meets Criterion's exacting standards while staying on schedule and within budget. His attention to detail and commitment to customer satisfaction make him an invaluable asset to the Criterion team and a trusted point of contact for clients requiring mission-critical precision components.

Professional headshot of David Glass, Chief Financial Officer

David Glass

Chief Financial Officer

David Glass serves as Chief Financial Officer at Criterion Precision Machining, overseeing the company's financial operations and strategic planning. His role encompasses financial management, budgeting, and ensuring the company's continued growth and stability in the precision machining industry. David's expertise in financial analysis and business operations supports Criterion's mission to deliver mission-critical components for aerospace, defense, medical device, and photonics industries. His strategic oversight helps maintain the company's investment in advanced technology and quality systems while ensuring operational efficiency. David's commitment to financial excellence and business growth contributes to Criterion's reputation as a reliable partner for industries where precision and quality cannot be compromised.

Frequently Asked Questions

What tolerances can you achieve with your precision machining services?

We can achieve tight tolerances down to ±.0002" using our advanced Swiss turning, CNC milling, and turning capabilities with rigorous quality control systems.

What materials do you work with for precision machining?

Do you offer prototyping services?

What certifications do you maintain?

What industries do you serve?

What machining capabilities do you offer?

How do you ensure quality control?

What is your minimum order quantity?

Ready to Discuss Your Precision Machining Project?

Our experienced team is ready to provide expert guidance and custom solutions.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo

ISO 13485 Certified

Medical device quality management system

ISO 9001 certification logo

ISO 9001 Certified

Quality management system standard

WBENC certification logo

WBENC Certified

Women's Business Enterprise National Council

Get Started with Your Precision Machining Project

Contact us today to discuss your requirements and receive a detailed quote for your mission-critical components.

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