Certified as9100 machine shop for No-Failure Parts

Criterion Precision Machining is an as9100 machine shop built for aerospace, defense, medical device, and photonics programs where precision, traceability, and documentation matter. From 5-axis milling and Swiss turning to wire EDM, laser marking, and FAIR packages, our team produces close-tolerance components with certified quality systems and a legacy dating back to 1953 for demanding regulated supply chains.

AS9100 precision machine shop with CNC equipment

Our AS9100 Machine Shop Services

Integrated AS9100 machining, inspection, and documentation for mission-critical parts in regulated industries.

Aerospace Machining

AS9100-certified machining for lightweight aircraft, defense, and space components using 5-axis milling, Swiss turning, CNC turning, tight tolerances, FAIRs, and material traceability.

CNC Milling

Advanced 3-, 4-, and 5-axis CNC milling for complex geometries, tight pockets, fine features, titanium, stainless steels, plastics, and exotic materials used in regulated components.

CNC Turning

High-precision CNC turning for cylindrical and complex parts, with live tooling options that reduce setups, tolerance stack-up, handling, and cycle time on mission-critical programs.

Swiss Turning

Multi-axis Swiss screw machining for small-diameter, high-repeatability components, including surgical pins, orthopedic fasteners, aerospace parts, lens housings, and micro-features down to .010 inches.

Wire EDM

Precision wire EDM for burr-free profiles, sharp internal corners, narrow slots, thin walls, and intricate contours in hardened steels, titanium, stainless steels, and specialty alloys.

Quality Inspection

Certified inspection built into production, including incoming material verification, FAIRs, in-process checks, final inspection, CMM measurement, optical inspection, and documentation packages.

No-Failure Precision

Built for Critical Part Performance

For buyers sourcing parts where failure is not an option, Criterion Precision Machining combines advanced CNC equipment, disciplined inspection, and regulated-industry documentation in one controlled workflow. Our AS9100 machine shop supports demanding aerospace and defense requirements while also serving medical device and photonics programs that need tight tolerances, traceability, and stable production from prototype through recurring orders.

Engineer inspecting AS9100 machined aerospace parts
The Criterion Difference

Why Choose Criterion Precision Machining?

Criterion Precision Machining combines certified systems, advanced equipment, and accountable leadership for regulated manufacturing programs.

AS9100 Focus

Built for aerospace-grade process control, documentation, risk management, and traceability on critical components.

Tight Tolerances

Supports tolerances down to ±0.0002 inches for complex, miniature, and alignment-critical parts.

Inspection Depth

CMM, optical, and Keyence systems verify dimensions through incoming, in-process, and final inspection.

Proven Legacy

Woman-owned, third-generation leadership with roots dating to 1953 and a future-focused technology strategy.

Meet the Criterion Team

Meet the people behind mission-critical machining quality.

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 AS9100 in manufacturing?

AS9100 is a quality management standard built on ISO 9001 with additional aerospace and defense requirements for risk management, traceability, configuration control, supplier oversight, and documentation. In manufacturing, it helps ensure parts are produced under controlled processes, inspected consistently, and supported by records such as FAIRs, Certificates of Conformance, and material traceability.

What makes an AS9100 machine shop different?

What industries do you serve with AS9100 machining?

What tolerances can Criterion Precision Machining hold?

Do you provide FAIRs and material traceability?

What materials can your AS9100 machine shop handle?

Can you handle prototypes and production runs?

Where is Criterion Precision Machining located?

Still Have AS9100 Machining Questions?

Send your specifications and get guidance from our machining experts.

Certified & Trusted

Awards and Recognition

AS9100 certification badge

AS9100 Certification

Aerospace quality management for mission-critical machining.

ISO 13485 certification badge

ISO 13485

Medical device quality management system certification.

ISO 9001 certification badge

ISO 9001

Certified quality systems for consistent production control.

Start Your AS9100 Machining Quote

Share your drawings, specifications, materials, quantities, and documentation requirements, and our team will review fit, manufacturability, inspection needs, and next steps for your regulated machining program.

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.