Expert Custom Metal Fabrication Prototype Services

Transform your design concepts into precision-engineered prototypes with our advanced metal fabrication capabilities. At Criterion Precision Machining, we bridge the critical gap between design and production, delivering prototypes with the same exacting standards as full production runs. Our production-intent prototyping ensures your components are tested for fit, function, and manufacturability before moving to volume production.

Precision metal prototype components being manufactured on advanced CNC machinery

Our Custom Metal Fabrication Prototype Services

Complete prototyping solutions from concept to production-ready components with precision machining capabilities.

Production-Intent Prototyping

Bridge design and production with prototypes manufactured using the same precision standards, machines, and inspection equipment as full production runs.

Swiss Turning Prototypes

Complex small-diameter components with tight tolerances down to ±.0002" for intricate geometries and micro-features in challenging materials.

CNC Milling Prototypes

Multi-axis precision milling for complex prototype components requiring intricate geometries and consistent repeatability across critical industries.

CNC Turning Prototypes

High-precision cylindrical and complex geometry prototypes with smooth surface finishes for medical, aerospace, defense, and photonics applications.

Quality Inspection Services

Comprehensive precision inspection and documentation using advanced CMM technology and optical measurement systems for prototype validation.

Material Expertise

Specialized prototyping in titanium, stainless steels, aluminum, PEEK, and specialty alloys for demanding mission-critical applications.

Step-by-step prototype development process showing design review to final inspection

Our 4-Step Prototype Development Process

Design Review & Material Selection

Our engineering team analyzes your specifications and recommends optimal materials and manufacturing approaches. We evaluate feasibility for medical device, aerospace, defense, and photonics applications while ensuring compliance with industry standards.

Production-Intent Programming

Precision Manufacturing

Comprehensive Inspection & Documentation

The Criterion Difference

Why Choose Criterion Precision Machining?

Over 70 years of precision machining excellence serving mission-critical industries.

Production-Intent Prototyping

Same machines, same standards as full production - seamless transition to volume manufacturing.

Mission-Critical Expertise

Specialized in 'No Failure' sectors including medical devices, aerospace, defense, and photonics industries.

Advanced Quality Systems

ISO 13485 and ISO 9001 certified with Global Advantage CMM and optical inspection capabilities.

Micro-Precision Capabilities

Tight tolerances down to ±.0002" with expertise in complex geometries and challenging materials.

Meet The Criterion Team

Experienced professionals dedicated to precision manufacturing 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 is production-intent prototyping and how does it differ from regular prototyping?

Production-intent prototyping uses the same machines, processes, and inspection equipment as full production runs. This ensures seamless transition to volume manufacturing with no need to reprogram or re-qualify, providing more accurate performance data than traditional prototyping methods.

What industries do you specialize in for prototype fabrication?

What tolerances can you achieve on prototype components?

What materials can you work with for prototype fabrication?

How long does the prototype development process typically take?

What quality certifications do you maintain for prototype work?

Can you handle both simple and complex prototype geometries?

Do you provide inspection documentation with prototype deliveries?

Ready to Start Your Prototype Project?

Connect with our engineering team to discuss your custom metal fabrication prototype requirements.

Certified & Trusted

Awards and Recognition

ISO 13485 certification logo

ISO 13485 Certified

Medical device quality management system certification

ISO 9001 certification logo

ISO 9001 Certified

International quality management system standard

WBENC membership logo

WBENC Member

Women's Business Enterprise National Council certified

Ready to Transform Your Design Into Reality?

Get a comprehensive quote for your custom metal fabrication prototype project with detailed specifications and timeline.

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.