CNC Milling
Precision 3-, 4-, and 5-axis CNC milling for complex, multi-axis components requiring tight tolerances and consistent repeatability in medical, aerospace, and defense applications.
Arizona's aerospace, defense, and medical device sectors demand components where failure is simply not an option. Criterion Precision Machining delivers tight-tolerance CNC milling, turning, and Swiss turning solutions backed by 70+ years of precision expertise and ISO-certified quality systems—serving mission-critical industries across the state with unmatched accuracy down to ± .0002".

From multi-axis milling to Swiss turning and rigorous quality inspection, we deliver precision-machined components for mission-critical industries.
Precision 3-, 4-, and 5-axis CNC milling for complex, multi-axis components requiring tight tolerances and consistent repeatability in medical, aerospace, and defense applications.
High-precision CNC turning for cylindrical and complex geometry parts with tolerances down to ± .0002", serving industries where failure is not an option.
Specialized Swiss turning for small-diameter, intricate components with micro-sized features and exceptional surface finishes, ideal for medical devices, photonics, and aerospace.
Production-intent prototyping built to the same precision and compliance standards as full-production orders, enabling seamless transition to high-volume manufacturing.
ISO-certified quality assurance with CMM, OASIS optical inspection, and Keyence systems measuring up to 99 dimensions simultaneously—documentation included at no charge.
Arizona's thriving aerospace corridor and growing medical device sector require machining partners who understand what's at stake. Criterion Precision Machining brings over 70 years of precision expertise, ISO 13485 and ISO 9001 certifications, and advanced multi-axis capabilities to every component we produce. Whether you need complex titanium aerospace parts, surgical instrument components, or photonics housings, we deliver consistent quality with tolerances down to ± .0002"—because in your industry, every part matters.

We combine seven decades of precision machining experience with cutting-edge technology and rigorous quality systems to serve Arizona's most demanding industries.
ISO 13485 and ISO 9001 certified, meeting the strictest quality standards required by Arizona's medical device and aerospace sectors.
Founded in 1953, our deep precision machining heritage ensures proven processes and reliable outcomes for mission-critical components.
5-axis CNC milling, multi-axis Swiss turning, and CMM inspection deliver tolerances down to ± .0002" for the most complex geometries.
WBENC-certified woman-owned business, offering Arizona clients a trusted, diverse supplier for government and commercial contracts.
Experienced professionals dedicated to precision, quality, and mission-critical excellence.

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.
A precision machinist uses advanced CNC equipment to manufacture tight-tolerance components from metal, plastic, or specialty materials. They program machines, set up tooling, monitor machining processes, and inspect finished parts to ensure every dimension meets exact specifications—often within ± .0002" or less—for critical applications in industries like medical devices, aerospace, and defense.
Talk to our precision machining experts for a personalized consultation and free project quote.
Medical device quality management system certification.
International standard for quality management systems.
Women's Business Enterprise National Council certified.
Fill out the form below and a Criterion precision machining expert will review your requirements and respond with a competitive, detailed quote. We typically respond within one business day.
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.