CNC Milling
Precision 3-, 4-, and 5-axis CNC milling for complex aerospace components demanding tight tolerances and consistent, repeatable accuracy across every production run.
Oregon's aerospace sector demands zero-tolerance precision—and that's exactly what Criterion Precision Machining delivers. From complex multi-axis milled components to ultra-tight Swiss-turned parts for aircraft, defense systems, and space applications, we bring 70+ years of machining excellence to every part. Discover why leading aerospace manufacturers trust Criterion for mission-critical components.

From prototyping to full-production runs, we offer precision machining services purpose-built for aerospace and defense requirements.
Precision 3-, 4-, and 5-axis CNC milling for complex aerospace components demanding tight tolerances and consistent, repeatable accuracy across every production run.
High-precision CNC turning for cylindrical and complex geometry aerospace parts, achieving tolerances down to ±.0002" in titanium, stainless steel, and specialty alloys.
Multi-axis Swiss turning for small-diameter, high-complexity aerospace parts with micro-features and exceptional surface finishes—ideal for high-volume production requirements.
Production-intent prototype runs for aircraft, defense, and space applications machined to full production standards, enabling direct scale-up with no re-qualification required.
Multi-point precision inspection using CMM, OASIS optical systems, and Keyence equipment, with complimentary Certificates of Conformance and final inspection documentation.
Skilled machining of aerospace-grade titanium, stainless steels, aluminum, specialty plastics, and high-performance alloys to meet the most demanding material specifications.

Our engineers analyze your aerospace part drawings and specifications for manufacturability, flagging any design-for-manufacturing opportunities. We understand the regulatory and compliance landscape relevant to aerospace programs, including ITAR considerations.
When aerospace failures aren't an option, here's why leading programs across the country—including Oregon's growing aerospace corridor—trust Criterion.
Built for 'No Failure' aerospace and defense industries, we machine every component to exacting tolerances with certified quality systems.
ISO 9001 and ISO 13485 certified with a comprehensive QA program covering CMM inspection, SPC software, and full traceability documentation.
Founded in 1953, our legacy of precision machining spans aerospace, defense, medical, and photonics—delivering consistent results across decades of technical evolution.
A WBENC-certified woman-owned business, Criterion supports supplier diversity goals for aerospace OEMs and prime contractors across the United States.
Experienced professionals dedicated to precision, quality, and mission-critical manufacturing.

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 manufactures a wide range of aerospace and defense components including lightweight structural parts, precision housings, fasteners, brackets, shafts, and complex multi-axis machined parts for aircraft, defense systems, and space applications. We work with CNC milling, CNC turning, and Swiss turning processes to cover diverse part geometries.
Talk to our aerospace machining experts for a free consultation and detailed quote.
Criterion serves aerospace and defense customers across the United States, delivering precision machined components to programs from coast to coast.
Nationwide U.S.
Service Coverage
Aerospace & Defense
Industries Served
1953
In Business Since
Contact us to discuss your parts requirements—we ship precision components to aerospace customers across the U.S.
Quality management system certified to international standards.
Medical device quality management certification demonstrating precision compliance.
Nationally recognized woman-owned business enterprise certification.
Share your part drawings, material requirements, and quantities with our team. We'll respond with a detailed quote and are ready to support your aerospace program from prototype through full production.
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.