Expert Large Part CNC Precision Machining Services

Transform your complex designs into precision-machined reality with Criterion's advanced CNC capabilities. From prototypes to production runs, we deliver large parts with tolerances down to ±0.0002" for mission-critical applications in medical, aerospace, defense, and photonics industries where failure is not an option.

Large precision CNC machined components on industrial machining center

Our Large Part CNC Precision Machining Services

Complete precision machining solutions for complex large components requiring exacting tolerances and superior quality.

CNC Milling

Precision CNC milling for complex, multi-axis large components with tight tolerances and consistent repeatability using 3-, 4-, and 5-axis capabilities.

CNC Turning

High-precision CNC turning for large cylindrical and complex geometry parts, delivering tolerances down to ±0.0002" with smooth surface finishes.

Swiss Turning

Advanced Swiss turning for complex large components with tight tolerances, utilizing 5, 6, and 8-axis Swiss turning centers with live tooling.

Prototyping

Production-intent prototyping that bridges design and manufacturing, testing fit, function, and manufacturability with full production precision standards.

Quality Inspection

Comprehensive precision inspections using Global Advantage CMM, OASIS optical systems, and Keyence measuring technology with complete documentation.

Mission-Critical Quality

Precision Large Part Machining Excellence

Criterion specializes in machining large, complex components for industries where failure is not an option. Our advanced CNC capabilities, combined with decades of expertise, deliver precision parts with tolerances down to ±0.0002". From medical device components to aerospace applications, we machine challenging materials including titanium, stainless steels, and specialty alloys with uncompromising quality standards.

Large precision machined component being inspected on CMM machine
The Criterion Difference

Why Choose Criterion Precision Machining?

Your trusted partner for large part precision machining where quality and reliability matter most.

Extreme Precision

Tolerances down to ±0.0002" with advanced multi-axis CNC capabilities and certified quality systems.

Mission-Critical Focus

Specialized expertise in no-failure industries including medical devices, aerospace, defense, and photonics applications.

Advanced Technology

State-of-the-art CNC equipment, Global Advantage CMM, and OASIS optical inspection systems ensure consistent quality.

Certified Excellence

ISO 13485 and ISO 9001 certified with FDA and ITAR registration for comprehensive compliance.

Meet Our Expert Team

Experienced professionals dedicated to precision machining excellence.

Professional headshot of Tanya DiSalvo, President

Tanya DiSalvo

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.

Professional headshot of Kelly Marflak, Quality Manager

Kelly Marflak

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.

Professional headshot of Mike Pinchot, Estimator/Project Manager

Mike Pinchot

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.

Professional headshot of David Glass, Chief Financial Officer

David Glass

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.

Kellyanne Gottschalk, Internal Systems Manager at Criterion Precision Machining

Kellyanne Gottschalk

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.

Nilda Feliciano, Customer Service representative at Criterion Precision Machining

Nilda Feliciano

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.

Bonnie Paletta, Office Administrator at Criterion Precision Machining

Bonnie Paletta

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.

Frequently Asked Questions

What size range qualifies as 'large part' CNC machining at Criterion?

Our large part CNC machining capabilities accommodate components that require advanced multi-axis equipment and specialized handling. We work with parts ranging from medium to large scale, utilizing our 3-, 4-, and 5-axis CNC milling centers and multi-axis turning equipment to handle complex geometries and challenging dimensions while maintaining tight tolerances.

What tolerances can you achieve on large CNC machined parts?

What materials do you machine for large part applications?

Do you provide prototyping services for large parts?

What quality certifications does Criterion maintain?

What industries do you serve with large part CNC machining?

What is your typical lead time for large CNC machined parts?

Do you provide inspection reports and documentation?

Need Precision Large Part Machining?

Contact our experts to discuss your specific requirements and capabilities.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo

ISO 13485 Certified

Medical device quality management system

ISO 9001 certification logo

ISO 9001 Certified

Quality management system standard

WBENC membership logo

WBENC Member

Women's Business Enterprise certified

Ready to Start Your Large Part CNC Machining Project?

Get in touch with our precision machining experts to discuss your requirements and receive a detailed quote for your large part manufacturing needs.

Contact Us Today

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.