Expert Precision Machining Manufacturing Companies Services

Criterion Precision Machining delivers mission-critical components with tolerances down to ± .0002" for industries where failure is not an option. As a woman-owned, ISO 13485 and ISO 9001 certified manufacturer, we specialize in Swiss turning, CNC milling, and complex geometries for medical devices, aerospace, defense, and photonics applications. From prototype to production, our advanced machining centers and certified quality systems ensure consistent excellence in every component we produce.

Advanced CNC machining center producing precision medical device components

Our Precision Machining Services

From micro-components to complex multi-axis parts, we deliver uncompromising precision for mission-critical applications.

Swiss Turning

Specialized Swiss turning for complex, small-diameter components with tolerances down to ± .0002". Our 5-, 6-, and 8-axis Swiss screw machines excel at intricate micro-parts for medical devices, aerospace, and photonics applications requiring exceptional surface finishes.

CNC Turning

High-precision CNC turning for cylindrical and complex geometry parts using 2-axis and 6-axis multi-tasking centers with live tooling. We specialize in tight-tolerance turned components from challenging materials including titanium, stainless steels, and specialty plastics.

CNC Milling

Advanced 3-, 4-, and 5-axis CNC milling for intricate, multi-axis components requiring complex geometries. Our precision milling capabilities deliver consistent repeatability for aerospace, defense, and medical device applications.

Prototyping

Production-intent prototyping that bridges design and full manufacturing. We produce prototype runs with the same precision, quality standards, and equipment as final production, enabling seamless transition to volume manufacturing without reprogramming.

Quality Inspection

Comprehensive quality assurance featuring Global Advantage CMM, OASIS optical inspection systems, and multiple Keyence measuring systems. Our certified QA program includes Certificates of Conformance and detailed final inspection reports at no additional charge.

Secondary Operations

Complete in-house secondary operations to deliver finished components ready for your assembly line. Our integrated approach eliminates vendor coordination and ensures consistent quality control throughout the entire manufacturing process.

Mission-Critical Manufacturing

Precision Machining for Industries Where Failure Is Not an Option

Since 1953, Criterion has evolved from a general machine shop into a specialized precision manufacturing partner for the world's most demanding industries. Our ISO 13485 and ISO 9001 certified facility combines advanced Swiss turning, multi-axis CNC capabilities, and certified quality systems to deliver components with tolerances down to ± .0002". We specialize in complex geometries, micro-features, and challenging materials—titanium, stainless steels, PEEK, and specialty alloys. With ProShop ERP integration and multiple points of precision inspection including Global Advantage CMM, we ensure every component meets exacting specifications for medical devices, aerospace, defense, and photonics applications.

Precision machined aerospace component being inspected on coordinate measuring machine
The Criterion Difference

Why Choose Criterion Precision Machining?

Third-generation expertise meets cutting-edge technology for uncompromising precision.

Woman-Owned Excellence

WBENC-certified woman-owned business with third-generation leadership, combining legacy craftsmanship with innovative manufacturing solutions.

Certified Quality

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

Extreme Tolerances

Achieve tolerances down to ± .0002" with advanced Swiss turning and multi-axis CNC capabilities, backed by comprehensive CMM and optical inspection systems.

No-Failure Specialization

Dedicated expertise in medical device, aerospace, defense, and photonics industries where component failure is unacceptable and precision is paramount.

Meet Our Leadership Team

Third-generation expertise driving 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

Do CNC machinists make a lot of money?

Yes, skilled CNC machinists, particularly those specializing in precision work with tight tolerances like Swiss turning and multi-axis milling, command competitive salaries. Machinists working in high-precision industries such as medical device, aerospace, and defense manufacturing—where tolerances down to ± .0002" are required—typically earn above-average wages due to the specialized skills and quality standards involved.

Does machining have a future?

What tolerances can you achieve in precision machining?

What materials can you machine?

Are you ISO certified?

Do you offer prototyping services?

What is your typical lead time?

What industries do you serve?

Have More Questions About Our Capabilities?

Our estimating and engineering team is ready to discuss your precision machining requirements and technical specifications.

Certified & Trusted

Awards and Recognition

ISO 13485 medical device certification logo

ISO 13485 Certified

Medical device quality management system certification

ISO 9001 quality management certification logo

ISO 9001 Certified

International quality management system standard

WBENC woman-owned business certification logo

WBENC Certified

Woman-owned business enterprise national certification

Ready to Discuss Your Precision Machining Project?

Share your technical requirements, drawings, or specifications. Our estimating team will provide a detailed quote and manufacturing recommendations for your mission-critical components.

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.