Expert Precision Machining Manufacturing Companies Services

Criterion Precision Machining delivers mission-critical components with tolerances down to ± .0002" for industries where failure is not an option. As a woman-owned, ISO 13485 and ISO 9001 certified manufacturer, we specialize in Swiss turning, CNC milling, and complex geometries for medical devices, aerospace, defense, and photonics applications. From prototype to production, our advanced machining centers and certified quality systems ensure consistent excellence in every component we produce.

Advanced CNC machining center producing precision medical device components

Our Precision Machining Services

From micro-components to complex multi-axis parts, we deliver uncompromising precision for mission-critical applications.

Swiss Turning

Specialized Swiss turning for complex, small-diameter components with tolerances down to ± .0002". Our 5-, 6-, and 8-axis Swiss screw machines excel at intricate micro-parts for medical devices, aerospace, and photonics applications requiring exceptional surface finishes.

CNC Turning

High-precision CNC turning for cylindrical and complex geometry parts using 2-axis and 6-axis multi-tasking centers with live tooling. We specialize in tight-tolerance turned components from challenging materials including titanium, stainless steels, and specialty plastics.

CNC Milling

Advanced 3-, 4-, and 5-axis CNC milling for intricate, multi-axis components requiring complex geometries. Our precision milling capabilities deliver consistent repeatability for aerospace, defense, and medical device applications.

Prototyping

Production-intent prototyping that bridges design and full manufacturing. We produce prototype runs with the same precision, quality standards, and equipment as final production, enabling seamless transition to volume manufacturing without reprogramming.

Quality Inspection

Comprehensive quality assurance featuring Global Advantage CMM, OASIS optical inspection systems, and multiple Keyence measuring systems. Our certified QA program includes Certificates of Conformance and detailed final inspection reports at no additional charge.

Secondary Operations

Complete in-house secondary operations to deliver finished components ready for your assembly line. Our integrated approach eliminates vendor coordination and ensures consistent quality control throughout the entire manufacturing process.

Mission-Critical Manufacturing

Precision Machining for Industries Where Failure Is Not an Option

Since 1953, Criterion has evolved from a general machine shop into a specialized precision manufacturing partner for the world's most demanding industries. Our ISO 13485 and ISO 9001 certified facility combines advanced Swiss turning, multi-axis CNC capabilities, and certified quality systems to deliver components with tolerances down to ± .0002". We specialize in complex geometries, micro-features, and challenging materials—titanium, stainless steels, PEEK, and specialty alloys. With ProShop ERP integration and multiple points of precision inspection including Global Advantage CMM, we ensure every component meets exacting specifications for medical devices, aerospace, defense, and photonics applications.

Precision machined aerospace component being inspected on coordinate measuring machine
Proven Excellence

Trusted by Industry Leaders

Leading companies in medical, aerospace, and photonics trust Criterion for mission-critical components.

"Criterion's Swiss Turning capabilities are exceptional. They delivered micro-components with ±.0002" tolerances for our surgical instruments. Precision and reliability are unmatched."

Dr. Sarah Mitchell

"We had a critical aerospace component deadline. Criterion's CNC Turning team responded within hours, delivered production-ready parts in days. Their speed saved our project timeline."

James Whitmore

"As precision manufacturing companies go, Criterion stands out. Their ISO 13485 certification and zero-defect approach gives us confidence in every batch we order for medical devices."

Elena Rossi

"Their Prototyping service bridged design and production seamlessly. Same equipment, same standards—prototype approval led directly to full production with zero re-qualification needed."

Marcus Chen

"Criterion's Quality Inspection program is outstanding. Free Certificates of Conformance and comprehensive final reports streamlined our compliance documentation significantly."

Patricia Hernandez

"Titanium implant components with complex geometries—Criterion delivered flawlessly. Their CNC Milling expertise and 5-Axis capabilities handled our toughest geometries effortlessly."

Dr. Howard Feldman

"Working with machining manufacturing companies requires trust. Criterion's 70+ years, woman-owned status, and ITAR registration proved they're the reliable, mission-critical partner we needed."

Robert Williams

"Their ProShop ERP system and Keyence measuring capability enable 99-dimension inspection per part. Technical precision meets operational excellence—exactly what we demand from vendors."

Kevin O'Neill

"Criterion's Swiss Turning capabilities are exceptional. They delivered micro-components with ±.0002" tolerances for our surgical instruments. Precision and reliability are unmatched."

Dr. Sarah Mitchell

"We had a critical aerospace component deadline. Criterion's CNC Turning team responded within hours, delivered production-ready parts in days. Their speed saved our project timeline."

James Whitmore

"As precision manufacturing companies go, Criterion stands out. Their ISO 13485 certification and zero-defect approach gives us confidence in every batch we order for medical devices."

Elena Rossi

"Their Prototyping service bridged design and production seamlessly. Same equipment, same standards—prototype approval led directly to full production with zero re-qualification needed."

Marcus Chen

"Criterion's Quality Inspection program is outstanding. Free Certificates of Conformance and comprehensive final reports streamlined our compliance documentation significantly."

Patricia Hernandez

"Titanium implant components with complex geometries—Criterion delivered flawlessly. Their CNC Milling expertise and 5-Axis capabilities handled our toughest geometries effortlessly."

Dr. Howard Feldman

"Working with machining manufacturing companies requires trust. Criterion's 70+ years, woman-owned status, and ITAR registration proved they're the reliable, mission-critical partner we needed."

Robert Williams

"Their ProShop ERP system and Keyence measuring capability enable 99-dimension inspection per part. Technical precision meets operational excellence—exactly what we demand from vendors."

Kevin O'Neill

"Criterion's Swiss Turning capabilities are exceptional. They delivered micro-components with ±.0002" tolerances for our surgical instruments. Precision and reliability are unmatched."

Dr. Sarah Mitchell

"We had a critical aerospace component deadline. Criterion's CNC Turning team responded within hours, delivered production-ready parts in days. Their speed saved our project timeline."

James Whitmore

"As precision manufacturing companies go, Criterion stands out. Their ISO 13485 certification and zero-defect approach gives us confidence in every batch we order for medical devices."

Elena Rossi

"Their Prototyping service bridged design and production seamlessly. Same equipment, same standards—prototype approval led directly to full production with zero re-qualification needed."

Marcus Chen

"Criterion's Quality Inspection program is outstanding. Free Certificates of Conformance and comprehensive final reports streamlined our compliance documentation significantly."

Patricia Hernandez

"Titanium implant components with complex geometries—Criterion delivered flawlessly. Their CNC Milling expertise and 5-Axis capabilities handled our toughest geometries effortlessly."

Dr. Howard Feldman

"Working with machining manufacturing companies requires trust. Criterion's 70+ years, woman-owned status, and ITAR registration proved they're the reliable, mission-critical partner we needed."

Robert Williams

"Their ProShop ERP system and Keyence measuring capability enable 99-dimension inspection per part. Technical precision meets operational excellence—exactly what we demand from vendors."

Kevin O'Neill
The Criterion Difference

Why Choose Criterion Precision Machining?

Third-generation expertise meets cutting-edge technology for uncompromising precision.

Woman-Owned Excellence

WBENC-certified woman-owned business with third-generation leadership, combining legacy craftsmanship with innovative manufacturing solutions.

Certified Quality

ISO 13485 and ISO 9001 certified with FDA and ITAR registration, ensuring compliance for medical device and defense applications with documented traceability.

Extreme Tolerances

Achieve tolerances down to ± .0002" with advanced Swiss turning and multi-axis CNC capabilities, backed by comprehensive CMM and optical inspection systems.

No-Failure Specialization

Dedicated expertise in medical device, aerospace, defense, and photonics industries where component failure is unacceptable and precision is paramount.

Meet Our Leadership Team

Third-generation expertise driving precision manufacturing excellence.

Tanya DiSalvo, President of Criterion Precision Machining

Tanya DiSalvo

President

As the third-generation owner of Criterion Precision Machining, Tanya DiSalvo has transformed the company founded by her grandfather into a specialized manufacturer serving mission-critical industries. Under her leadership, Criterion has achieved ISO 13485 and ISO 9001 certifications, earned WBENC woman-owned business certification, and invested in advanced machining technologies including 8-axis Swiss turning and 5-axis CNC milling capabilities. Tanya's vision has positioned Criterion as a trusted partner for medical device, aerospace, defense, and photonics manufacturers who demand tolerances down to ± .0002" and zero-failure performance. She has cultivated a culture of precision excellence while maintaining the family business values established in 1953. Her strategic focus on quality systems, including implementation of ProShop ERP and advanced inspection equipment like the Global Advantage CMM, ensures Criterion delivers consistent, documented quality for every component. Tanya's commitment to innovation while honoring legacy craftsmanship has made Criterion a preferred supplier for companies where component failure is not an option.

Mike Pinchot, Estimator/Project Manager at Criterion Precision Machining

Mike Pinchot

Estimator/Project Manager

Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing specialized expertise in complex component quoting and program management for mission-critical industries. His deep understanding of Swiss turning, multi-axis CNC machining, and tight-tolerance manufacturing enables him to accurately assess technical requirements and develop efficient production strategies for medical device, aerospace, defense, and photonics applications. Mike works directly with engineering teams to evaluate part geometries, material specifications, and tolerance requirements, translating customer needs into precise manufacturing plans. He manages projects from initial quotation through prototype development and full production, ensuring seamless transitions and consistent quality. His experience with challenging materials including titanium, stainless steels, PEEK, and specialty alloys allows him to provide valuable design-for-manufacturability guidance. Mike coordinates cross-functional teams including programming, machining, quality inspection, and secondary operations to deliver components that meet exacting specifications. His attention to detail and commitment to customer communication has made him a trusted partner for companies requiring tolerances down to ± .0002" and documented quality assurance for regulated industries.

Kelly Marflak, Quality Manager at Criterion Precision Machining

Kelly Marflak

Quality Manager

Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing the company's ISO 13485 and ISO 9001 certified quality assurance program for mission-critical manufacturing. She manages comprehensive inspection processes utilizing advanced metrology equipment including the Global Advantage CMM with TESTASTAR-sm probe, OASIS optical automatic inspection systems, and multiple Keyence measuring systems capable of simultaneously measuring 99 dimensions on 100 parts. Kelly ensures all components meet exacting specifications with tolerances down to ± .0002" through multiple inspection points integrated throughout the manufacturing process. She directs the quality team in documenting full traceability for medical device, aerospace, defense, and photonics applications, generating Certificates of Conformance and detailed final inspection reports. Her expertise with PC-DMIS CMM software and SPC statistical process control enables data-driven quality improvements and preventive action. Kelly maintains FDA and ITAR compliance protocols, manages supplier quality programs, and conducts internal audits to sustain certification standards. She works closely with customers on first article inspections, PPAP documentation, and qualification testing for new components. Her commitment to continuous improvement and zero-defect manufacturing has established Criterion's reputation for consistent, documented quality in industries where component failure is unacceptable.

Frequently Asked Questions

Do CNC machinists make a lot of money?

Yes, skilled CNC machinists, particularly those specializing in precision work with tight tolerances like Swiss turning and multi-axis milling, command competitive salaries. Machinists working in high-precision industries such as medical device, aerospace, and defense manufacturing—where tolerances down to ± .0002" are required—typically earn above-average wages due to the specialized skills and quality standards involved.

Does machining have a future?

What tolerances can you achieve in precision machining?

What materials can you machine?

Are you ISO certified?

Do you offer prototyping services?

What is your typical lead time?

What industries do you serve?

Have More Questions About Our Capabilities?

Our estimating and engineering team is ready to discuss your precision machining requirements and technical specifications.

Certified & Trusted

Awards and Recognition

ISO 13485 medical device certification logo

ISO 13485 Certified

Medical device quality management system certification

ISO 9001 quality management certification logo

ISO 9001 Certified

International quality management system standard

WBENC woman-owned business certification logo

WBENC Certified

Woman-owned business enterprise national certification

Ready to Discuss Your Precision Machining Project?

Share your technical requirements, drawings, or specifications. Our estimating team will provide a detailed quote and manufacturing recommendations 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