Swiss Turning
Complex components with tight tolerances, ideal for small-diameter, high-volume production with diameters as small as .010".
Serving Midwest industrial OEMs since 1953, Criterion Precision Machining delivers mission-critical components with tolerances to ±.0002". Our ISO-certified facility specializes in complex geometries for medical device, aerospace, defense, and photonics applications where failure is not an option.

Complete manufacturing solutions from prototype to production for mission-critical industrial applications.
Complex components with tight tolerances, ideal for small-diameter, high-volume production with diameters as small as .010".
High-precision cylindrical and complex geometry parts with tight tolerances down to ±.0002" and smooth surface finishes.
Precision 3-, 4-, and 5-axis milling for complex, multi-axis components with consistent repeatability and critical tolerances.
Production-intent prototypes with same precision standards as full production, bridging design and manufacturing seamlessly.
Certified Quality Assurance with Global Advantage CMM, PC-DMIS software, and comprehensive inspection documentation.
Specialized machining of titanium, stainless steels, PEEK, aluminum, and specialty alloys for demanding applications.

Design Review & Engineering Analysis
Our Midwest-based engineering team conducts thorough design reviews, analyzing manufacturability and optimizing for production efficiency while maintaining critical specifications for your industrial applications.
Material Selection & Preparation
Precision Machining Execution
Multi-Point Quality Inspection
Documentation & Delivery
Delivering mission-critical components for leading medical device, aerospace, and photonics companies since 1953.
Seven decades of precision manufacturing excellence for industries where failure is not an option.
Achieving tolerances to ±.0002" with advanced Swiss turning and 5-axis capabilities for Midwest manufacturers.
ISO 13485 and ISO 9001 certified with comprehensive inspection using CMM technology and documentation.
Specialized expertise in no-failure industries serving medical device, aerospace, defense, and photonics sectors across the Midwest.
Third-generation family ownership combining decades of experience with modern manufacturing technology and systems.
Expert leadership driving precision manufacturing excellence.

President
As the third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads the company's commitment to precision manufacturing excellence. Under her leadership, Criterion has evolved from its 1953 origins as a general machine shop into a specialized precision manufacturing company focused on serving mission-critical industries. Tanya has positioned Criterion as a woman-owned business enterprise, maintaining the company's legacy of quality while investing in advanced technology and systems to meet the exacting demands of medical device, aerospace, defense, and photonics industries. Her vision continues to drive Criterion's focus on delivering components where failure is not an option, ensuring the company remains a trusted partner for industrial OEMs throughout the Midwest and beyond.

Estimator/Project Manager
Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing extensive expertise in project planning and cost estimation for precision manufacturing projects. In his dual role, Mike works closely with industrial OEM clients to understand their specific requirements and develop accurate project estimates that align with their budget and timeline expectations. His deep understanding of machining processes, materials, and manufacturing capabilities enables him to provide realistic timelines and cost projections for complex components. Mike's project management skills ensure that manufacturing projects progress smoothly from initial quote through final delivery, maintaining communication with clients throughout the process. His attention to detail and commitment to meeting deadlines makes him an invaluable resource for Midwest manufacturers seeking reliable precision manufacturing partnerships.

Quality Manager
Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing the company's comprehensive quality assurance program that ensures every component meets the exacting standards required by mission-critical industries. With deep expertise in quality systems and inspection processes, Kelly manages Criterion's ISO 13485 and ISO 9001 certified quality program, implementing rigorous inspection protocols using advanced measurement equipment including the Global Advantage CMM with PC-DMIS software. Her leadership ensures that quality control measures are integrated throughout the manufacturing process, from initial design review through final inspection and documentation. Kelly's commitment to quality excellence supports Criterion's reputation for delivering precision components with tolerances as tight as ±.0002", making her an essential part of the team that serves medical device, aerospace, defense, and photonics industries where failure is not an option.
What industries does Criterion Precision Machining specialize in?
We specialize in mission-critical industries including medical devices, aerospace, defense, and photonics where failure is not an option. Our ISO 13485 and ISO 9001 certifications ensure we meet the stringent quality requirements of these sectors.
What tolerance capabilities can you achieve?
What materials do you work with?
Do you provide prototyping services?
What quality certifications do you maintain?
What machining capabilities do you offer?
How long have you been in business?
Do you provide inspection and quality documentation?
Talk to our manufacturing experts for a free consultation and project quote.
Medical device quality management system
Quality management system standard
Women's Business Enterprise National Council
Contact us for a free consultation and quote. Our team will work with you to understand your requirements and deliver mission-critical components on time.
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