Precision Machining Services in Pennsylvania

Pennsylvania's advanced manufacturing sector demands components with zero tolerance for error. Criterion Precision Machining delivers Swiss turning, CNC milling, and CNC turning with tolerances down to ± .0002" for medical device, aerospace, defense, and photonics industries. ISO 9001 and ISO 13485 certified, we bring over 70 years of precision expertise to every part we produce.

Precision machining technician operating a CNC multi-axis milling machine in a professional machine shop

Our Precision Machining Services

From Swiss turning to quality inspection, we deliver precision-machined components for the industries where failure is never an option.

CNC Milling

Precision 3-, 4-, and 5-axis CNC milling for complex, multi-axis components requiring tight tolerances, consistent repeatability, and superior surface finishes for critical applications.

CNC Turning

High-precision CNC turning for cylindrical and complex geometry parts, achieving tolerances down to ± .0002" with multi-tasking live tooling capabilities for medical, aerospace, and defense components.

Swiss Turning

Specialized Swiss turning for small-diameter, high-volume precision components with diameters as small as .010", ideal for intricate micro-features in medical devices, photonics, and aerospace applications.

Prototyping

Production-intent prototyping that mirrors full manufacturing standards, allowing seamless transition to high-volume production with no reprogramming or re-qualification required.

Quality Inspection

Certified quality assurance with CMM, OASIS optical inspection, and Keyence systems measuring up to 99 dimensions simultaneously—documentation including certificates of conformance at no extra charge.

Zero Tolerance for Failure

Mission-Critical Precision Machining for Pennsylvania's Demanding Industries

Pennsylvania's advanced manufacturing ecosystem—spanning medical corridors, aerospace suppliers, and defense contractors—requires a machining partner who never compromises. Criterion Precision Machining delivers components with tolerances as tight as ± .0002", backed by ISO 9001 and ISO 13485 certifications, FDA registration, and ITAR compliance. Whether you need micro-scale Swiss-turned surgical components or complex 5-axis milled aerospace parts, our 70+ year legacy of precision ensures your supply chain stays mission-ready.

Close-up of a precision machined titanium aerospace component held by a quality technician
The Criterion Difference

Why Choose Criterion Precision Machining?

We combine decades of precision expertise with cutting-edge technology to deliver components that meet the strictest standards in the industry.

Certified Quality

ISO 9001 and ISO 13485 certified with FDA and ITAR registration, ensuring full compliance for Pennsylvania's medical and defense supply chains.

70+ Years of Expertise

Founded in 1953, our multi-generational precision machining heritage delivers proven reliability for the most demanding 'No Failure' industries.

Advanced Capabilities

From 5-axis CNC milling to 8-axis Swiss turning, our state-of-the-art equipment handles complex geometries and exotic materials with tolerances to ± .0002".

Woman-Owned Business

WBENC-certified women-owned enterprise, supporting supplier diversity requirements for Pennsylvania aerospace, defense, and medical device manufacturers.

Meet The Criterion Team

Experienced professionals dedicated to precision, quality, and mission-critical 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 does Precision Castparts Corp do?

Precision Castparts Corp (PCC) is a large industrial manufacturer known for producing complex metal components via casting, forging, and fasteners primarily for aerospace and power industries. Criterion Precision Machining is a distinct, specialized precision machine shop focused on Swiss turning, CNC turning, and CNC milling for medical devices, aerospace, defense, and photonics—delivering tight-tolerance machined parts rather than castings.

What does a machine shop do?

What industries does Criterion Precision Machining serve in Pennsylvania?

What certifications does Criterion Precision Machining hold?

What tolerances can Criterion Precision Machining achieve?

What materials does Criterion work with?

Does Criterion offer prototyping services?

How does Criterion ensure quality for every order?

Still Have Questions About Our Machining Capabilities?

Speak directly with our engineering and estimating team for a free, no-obligation consultation.

Certified & Trusted

Awards and Recognition

ISO 13485 certification badge for Criterion Precision Machining

ISO 13485 Certified

International standard for medical device quality management systems.

ISO 9001 certification badge for Criterion Precision Machining

ISO 9001 Certified

Globally recognized standard for quality management and continuous improvement.

WBENC Women's Business Enterprise certification badge

WBENC Certified

Women's Business Enterprise National Council certified woman-owned business.

Get a Precision Machining Quote for Your Pennsylvania Project

Submit your part drawings and specifications and our team will respond with a detailed, competitive quote. We typically respond within one business day and are happy to discuss tolerances, materials, volume, and lead times.

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.