Swiss Turning
Complex components with tight tolerances down to ±.0002" for small-diameter, high-volume production using multi-axis Swiss turning centers.
Criterion Precision Machining delivers mission-critical components with tolerances down to ±.0002" for medical device, aerospace, defense, and photonics industries. Our ISO 13485 and ISO 9001 certified facility combines advanced Swiss turning, CNC milling, and comprehensive quality assurance to ensure your precision metal machining projects meet the highest standards where failure is not an option.

Complete precision machining solutions from prototyping to production with certified quality assurance.
Complex components with tight tolerances down to ±.0002" for small-diameter, high-volume production using multi-axis Swiss turning centers.
Precision 3-, 4-, and 5-axis milling for complex, multi-axis components with tight tolerances and consistent repeatability.
High-precision turning for cylindrical and complex geometry parts, delivering tight tolerances and smooth surface finishes.
Production-intent prototyping with same precision and quality standards as full production, bridging design and manufacturing.
Certified quality assurance with Global Advantage CMM, OASIS optical inspection system, and comprehensive documentation services.
Since 1953, Criterion has specialized in precision metal machining for industries where failure is not an option. Our ISO 13485 and ISO 9001 certified facility produces components with tolerances down to ±.0002" using advanced Swiss turning, multi-axis CNC milling, and comprehensive quality assurance. We serve medical device, aerospace, defense, and photonics sectors with consistent quality and exacting precision.

Delivering precision components for leading companies in mission-critical applications.
Three generations of precision machining excellence serving mission-critical industries.
Tight tolerances down to ±.0002" with advanced Swiss turning and multi-axis capabilities.
ISO 13485 and ISO 9001 certified with comprehensive quality assurance programs.
State-of-the-art CNC equipment, CMM inspection, and OASIS optical measurement systems.
70+ years of machining expertise specializing in no-failure industries since 1953.
Industry professionals dedicated to precision machining excellence.

President
As the third-generation owner of Criterion Precision Machining, Tanya DiSalvo leads the company with a commitment to excellence in precision manufacturing. Under her leadership, Criterion has maintained its position as a trusted partner for mission-critical industries including medical devices, aerospace, defense, and photonics. Tanya's vision continues the company's 70-year legacy while driving innovation in advanced machining technologies and quality systems. Her dedication to maintaining the highest standards ensures that Criterion delivers components where failure is not an option, upholding the company's reputation for precision rooted in legacy and focused on the future.

Quality Manager
Kelly Marflak oversees Criterion's comprehensive quality assurance program, ensuring every component meets the exacting standards required by mission-critical industries. With expertise in ISO 13485 and ISO 9001 quality systems, Kelly manages the implementation of advanced inspection technologies including the Global Advantage CMM with PC-DMIS software and the OASIS optical inspection system. Her meticulous attention to detail and commitment to continuous improvement ensures that Criterion maintains its reputation for delivering precision components with tolerances down to ±.0002". Kelly's leadership in quality management is essential to serving industries where failure is not an option.

Estimator/Project Manager
Mike Pinchot brings extensive expertise in project management and precision machining estimation to Criterion's operations. As both Estimator and Project Manager, Mike ensures that complex precision machining projects are accurately assessed and efficiently executed from initial quote through final delivery. His deep understanding of Swiss turning, CNC milling, and turning capabilities enables him to provide accurate timelines and cost estimates for challenging components in medical device, aerospace, defense, and photonics applications. Mike's project management skills ensure seamless communication with clients and on-time delivery of mission-critical components that meet Criterion's exacting quality standards.
Medical Device Quality Management
Quality Management System
Women's Business Enterprise Certified
Get a detailed quote for your precision metal machining requirements. Our experts will review your specifications and provide accurate pricing and timeline estimates.
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
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