Medical Machining
Tight-tolerance machining for surgical instruments, implantable components, orthopedic fasteners, and diagnostic equipment parts using ISO 13485 quality controls and traceable production documentation.
Criterion Precision Machining delivers Medical Precision Machining Parts — ODM Processing Services for medical device teams that need production-ready components, not risky one-offs. From production-intent prototypes to Swiss turned, CNC milled, laser-marked, and fully inspected parts, our ISO-certified team supports surgical instruments, implantable components, orthopedic fasteners, and diagnostic equipment with exacting tolerances and traceable documentation.

Production-ready machining, prototyping, turning, milling, marking, finishing, and inspection for regulated medical device components.
Tight-tolerance machining for surgical instruments, implantable components, orthopedic fasteners, and diagnostic equipment parts using ISO 13485 quality controls and traceable production documentation.
Production-intent prototype runs made on production equipment and inspected with production metrology, helping qualified medical parts move into higher-volume manufacturing with fewer delays.
Advanced 3-, 4-, and 5-axis milling for complex medical components, tight pockets, fine features, and challenging materials requiring high accuracy and repeatability.
High-repeatability Swiss screw machining for small-diameter medical components, micro-features, orthopedic fasteners, surgical pins, and intricate turned parts down to very small diameters.
Precision CNC turning for cylindrical and complex-geometry medical parts, including live-tooling operations that reduce setups, cycle time, and tolerance stack-up.
Certified inspection using CMM, OASIS optical inspection, and Keyence systems, with FAIRs, Certificates of Conformance, and material traceability documentation available.

Our team reviews drawings, specifications, materials, tolerances, compliance needs, and production goals. This early technical review helps identify manufacturability risks, inspection requirements, documentation expectations, and the best machining path before work enters the production system.
Criterion combines advanced equipment, certified systems, and decades of precision manufacturing experience.
ISO 13485 and ISO 9001 systems support regulated medical device manufacturing requirements.
Swiss turning, CNC turning, and 5-axis milling support complex components under one roof.
Tolerances down to ±0.0002 inches help meet demanding performance and fit requirements.
Woman-owned, third-generation leadership brings accountability, stability, and long-term manufacturing partnership.
Experienced leaders supporting regulated precision machining programs.

President
As third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads our commitment to delivering mission-critical components for Texas railroad infrastructure. Under her leadership, Criterion has evolved into a woman-owned precision machining company specializing in the 'No Failure' sectors, including railroad safety systems. Tanya's vision has guided the company's investment in advanced CNC technology and ISO certification programs, ensuring our Texas railroad clients receive components that meet the most stringent safety and performance standards. Her dedication to quality excellence and operational efficiency has positioned Criterion as a trusted partner for railroad manufacturers requiring precision components that perform reliably across Texas's diverse operating environments, from Gulf Coast humidity to West Texas desert conditions.

Quality Manager
Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing our comprehensive quality assurance programs critical to railroad component manufacturing. With deep expertise in precision inspection protocols, Kelly manages our certified Quality Assurance program that includes multiple points of precision inspection built into manufacturing processes. She oversees the operation of our Global Advantage CMM with PC-DMIS software, OASIS Optical Automatic Smart Inspection System, and Keyence measuring systems capable of measuring up to 99 dimensions simultaneously. Kelly's meticulous attention to detail ensures every railroad component meets the exacting tolerances and safety standards required for Texas railroad applications. Her leadership in quality control processes has been instrumental in maintaining our ISO 13485 and ISO 9001 certifications, providing railroad manufacturers with the documentation and compliance verification essential for safety-critical components operating across Texas's extensive rail network.

Estimator/Project Manager
Mike Pinchot brings extensive project management expertise to Criterion's railroad machining operations as Estimator and Project Manager. With deep understanding of precision manufacturing requirements, Mike works closely with Texas railroad clients to develop accurate project estimates and manage complex machining programs from concept through delivery. His technical expertise enables him to assess challenging railroad component specifications and coordinate multi-axis machining operations, Swiss turning processes, and quality inspection requirements. Mike's project management approach ensures railroad components are delivered on time and within budget while meeting the stringent quality standards required for safety-critical applications. His collaborative work with engineering teams and manufacturing personnel has streamlined processes for producing complex railroad parts, from prototype development through full production runs, ensuring Texas railroad infrastructure receives components manufactured to the highest precision standards.

Chief Financial Officer
David Glass serves as Chief Financial Officer at Criterion Precision Machining, bringing strategic financial leadership to support our continued growth and investment in advanced manufacturing capabilities. With his comprehensive understanding of manufacturing economics and operational efficiency, David ensures that our precision machining operations remain competitive while maintaining the highest quality standards. His financial expertise enables Criterion to make strategic investments in cutting-edge CNC equipment, quality systems, and workforce development that directly benefit our clients in mission-critical industries. David's analytical approach to business management helps optimize our manufacturing processes and resource allocation, ensuring we can deliver exceptional value to customers while maintaining the financial stability necessary for long-term partnerships. His commitment to operational excellence supports our ability to serve the demanding requirements of medical device, aerospace, defense, and photonics manufacturers who rely on our precision machining capabilities.

Internal Systems Manager
Kellyanne Gottschalk serves as Internal Systems Manager at Criterion Precision Machining, responsible for managing and optimizing the company's operational and business systems, including the ProShop ERP platform. Her role is critical in ensuring seamless workflow from order intake to final delivery, enabling real-time visibility into production scheduling, quality documentation, and compliance tracking. Kellyanne's expertise in systems management supports Criterion's ability to scale efficiently while maintaining the rigorous documentation and traceability standards required by regulated industries such as medical devices and aerospace. Her work underpins the company's operational excellence and helps ensure every project is delivered on time and in full compliance.

Customer Service
Nilda Feliciano is the Customer Service representative at Criterion Precision Machining, serving as a dedicated point of contact for clients throughout the entire order lifecycle. From initial inquiries to order updates and delivery coordination, Nilda ensures that every client receives responsive, clear, and professional communication. Her commitment to customer satisfaction reflects Criterion's values of reliability and partnership, particularly important for clients in time-sensitive industries like aerospace, defense, and medical devices. Nilda's friendly and knowledgeable approach helps build lasting relationships with customers, ensuring they feel supported and informed at every stage of their project with Criterion.

Office Administrator
Bonnie Paletta serves as Office Administrator at Criterion Precision Machining, keeping the day-to-day operations of the business running smoothly. Her organizational skills and attention to detail ensure that administrative processes, documentation, and internal coordination are handled efficiently, freeing up the production and quality teams to focus on delivering precision components. Bonnie is a vital part of the Criterion team, contributing to the company's culture of professionalism and reliability. Her support role touches every department, helping to maintain the high standards of communication and organization that Criterion's clients in medical device, aerospace, and defense industries depend on.
Medical precision machining produces tight-tolerance components for regulated medical applications such as surgical instruments, implantable device components, orthopedic fasteners, and diagnostic equipment parts. At Criterion Precision Machining, work may include Swiss turning, CNC turning, 5-axis milling, laser marking, finishing, and inspection under ISO 13485 and ISO 9001 quality systems.
Share your part requirements with our precision machining team.
Medical device quality management certification.
Certified quality management system standard.
Recognized woman-owned business enterprise credential.
Send your drawings, tolerances, materials, and production goals. Our team will review manufacturability, documentation needs, and next steps for a production-ready machining program.
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.