CNC Milling
Advanced 3-, 4-, and 5-axis CNC milling for complex, close-tolerance OEM parts, including tight pockets, fine features, micro-milling, palletized production, and materials from titanium to specialty plastics.
Criterion Precision Machining delivers OEM CNC milling and machining for medical device, aerospace, defense, and photonics manufacturers where failure is not an option. From 5-axis milling and Swiss turning to inspection-ready production programs, our Brook Park team supports complex geometries, exotic materials, tight tolerances down to ±0.0002", and complete documentation for regulated supply chains.

Complete OEM machining support for complex, documented, close-tolerance components in regulated no-failure industries.
Advanced 3-, 4-, and 5-axis CNC milling for complex, close-tolerance OEM parts, including tight pockets, fine features, micro-milling, palletized production, and materials from titanium to specialty plastics.
Precision CNC turning for cylindrical and complex-geometry components, supported by live tooling, multi-tasking capability, smooth finishes, and tolerances down to ±0.0002" for regulated applications.
High-repeatability Swiss turning for small-diameter parts, micro-features, orthopedic fasteners, surgical pins, optical components, and intricate geometries requiring multi-axis live-tooling accuracy.
Production-intent CNC prototypes made on the same equipment and inspection systems as final production, helping qualified designs move into higher volumes without avoidable requalification.
Integrated wire EDM for burr-free profiles, sharp internal corners, narrow slots, thin-wall geometry, and difficult materials where conventional cutting creates stress or tool deflection.
Certified inspection using CMM, OASIS optical measurement, Keyence systems, First Article Inspection Reports, Certificates of Conformance, and material traceability documentation.

Our team reviews drawings, 3D models, materials, tolerances, regulatory requirements, and production goals to identify the right machining path. This early review helps align manufacturability, inspection strategy, and documentation expectations before a program reaches the floor.
Criterion Precision Machining is built for OEM buyers who need precision, traceability, and dependable production support.
Focused on medical, aerospace, defense, and photonics components where precision and reliability are mandatory.
Advanced milling, turning, Swiss, EDM, finishing, marking, and inspection reduce vendor handoffs.
ISO-certified systems, FDA and ITAR registration, FAIRs, traceability, and inspection documentation support regulated programs.
A woman-owned, third-generation manufacturer combining legacy machining discipline with modern OEM production technology.
Meet the people behind mission-critical OEM machining.

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.
Criterion supports OEM programs in medical device, aerospace, defense, photonics, and optics applications. Typical parts include surgical instruments, implantable device components, orthopedic fasteners, aircraft and defense-system components, space-application parts, lens housings, lens mounts, and alignment-critical optical components. The shop is built for regulated, mission-critical work requiring tight tolerances, traceability, repeatability, and documented quality control.
Share your print, model, and requirements with our machining specialists.
Medical device quality management certification.
Certified quality system for consistent manufacturing.
Recognized woman-owned business certification.
Send your drawings, specifications, material requirements, and documentation needs. Our team will review your project and respond with a production-focused path forward.
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.