Expert Prototype and Short Run Machining Services

Transform your designs into precision-machined reality with our production-intent prototyping services. At Criterion Precision Machining, we bridge the gap between concept and manufacturing with the same exacting standards used for full production runs. Our ISO 13485-certified facility delivers functional prototypes with tolerances down to ±.0002", ensuring your parts perform exactly as designed before scaling to volume production.

Precision machined prototype components on CNC machine with measuring instruments

Our Prototype and Short Run Machining Services

From concept validation to pre-production runs, we deliver precision machined prototypes and short run components with production-level quality.

Production-Intent Prototyping

Precision prototypes machined on the same equipment as production parts, delivering real-world performance data with tolerances down to ±.0002". Ideal for fit, function, and manufacturability testing across medical device, aerospace, and defense applications.

Swiss Turning Prototypes

High-precision Swiss turning for complex, small-diameter prototype components with tight tolerances. Perfect for intricate medical device parts, micro-sized features, and slender components requiring exceptional surface finishes in challenging materials like titanium and stainless steel.

CNC Milling Prototypes

Multi-axis CNC milling for complex prototype geometries with 3-, 4-, and 5-axis capabilities. Delivers intricate features and tight tolerances for aerospace components, defense systems, and photonics housings with consistent repeatability.

CNC Turning Prototypes

High-precision CNC turning for cylindrical and complex geometry prototype parts. Produces micro to medium-sized components with smooth surface finishes and tight tolerances, with expertise in titanium, stainless steels, specialty plastics, and alloys.

Quality Inspection & Validation

Comprehensive inspection using Global Advantage CMM with PC-DMIS software, OASIS optical inspection, and Keyence measuring systems. We provide complete documentation including Certificates of Conformance and detailed inspection reports at no additional charge.

Short Run Production

Bridge production volumes between prototyping and full manufacturing with the same quality standards and precision. Seamless transition from approved prototypes to short run production with no reprogramming or re-qualification required.

Engineer reviewing precision machined prototype with digital calipers and CAD drawings

Our 5-Step Prototype Development Process

Design Review & Feasibility Analysis

Our engineering team evaluates your CAD files and specifications to identify potential manufacturing challenges, recommend materials, and optimize designs for machining. We provide detailed feedback on tolerances, geometries, and cost-effective manufacturing approaches before production begins.

Material Selection & Programming

Precision Machining on Production Equipment

Multi-Point Quality Inspection

Validation & Production Transition

The Criterion Difference

Why Choose Criterion Precision Machining?

Three generations of precision machining excellence serving 'No Failure' industries with uncompromising quality standards.

Production-Intent Prototyping

Prototypes machined on production equipment with the same ISO 13485-certified processes, ensuring seamless transition to volume manufacturing.

Extreme Precision Capabilities

Tolerances down to ±.0002" with advanced Swiss turning, multi-axis CNC milling, and state-of-the-art CMM inspection equipment.

FDA & ITAR Registered

ISO 13485 and ISO 9001 certified with FDA registration and ITAR compliance for medical device, aerospace, and defense applications.

Woman-Owned Excellence

Third-generation, WBENC-certified woman-owned business committed to delivering mission-critical components with exacting standards since 1953.

Meet Our Leadership 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 is a prototyping service?

A prototyping service produces physical samples of parts to test fit, function, and manufacturability before full production. At Criterion, we specialize in production-intent prototyping, meaning your prototypes are machined on the same equipment and with the same quality standards as production parts, ensuring seamless transition to volume manufacturing.

What are the four types of prototyping?

What is the minimum order quantity for prototype machining?

What tolerances can you achieve for prototype parts?

How long does prototype development typically take?

What materials can you machine for prototypes?

Can you transition prototypes directly to production?

What documentation do you provide with prototype parts?

Have Questions About Your Prototype Project?

Our engineering team is ready to discuss your requirements and provide expert guidance on materials, tolerances, and manufacturing approaches.

Certified & Compliant

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 certification logo

WBENC Certified

Women's Business Enterprise National Council certification

Ready to Bring Your Design to Life?

Contact us today to discuss your prototype or short run machining needs. Our team will review your specifications and provide expert guidance on the best manufacturing approach.

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.