CNC Milling
Precision 3-, 4-, and 5-axis CNC milling for complex aerospace geometries requiring consistent repeatability and tight tolerances critical to flight-safety components.
Maryland's aerospace and defense sector demands components with zero tolerance for failure. Criterion Precision Machining delivers tight-tolerance CNC milled, turned, and Swiss-machined aerospace parts with tolerances down to ±.0002". From prototype to full production, our ISO 9001-certified processes and advanced CMM inspection ensure every component meets the exacting standards required by aerospace OEMs and defense contractors throughout the region.

From multi-axis milling to Swiss turning and full quality inspection, we deliver precision aerospace components built to the tightest specifications.
Precision 3-, 4-, and 5-axis CNC milling for complex aerospace geometries requiring consistent repeatability and tight tolerances critical to flight-safety components.
High-precision turning for cylindrical and complex aerospace parts with tolerances down to ±.0002", including titanium, stainless steel, and specialty alloys.
Multi-axis Swiss turning for small-diameter, intricate aerospace components with micro-features, tight tolerances, and exceptional surface finishes in challenging materials.
Production-intent prototype runs for aerospace and defense applications, machined on the same equipment as final parts for seamless transition to full-volume production.
Certified CMM inspection using Global Advantage and OASIS optical systems, with Certificates of Conformance and final inspection reports provided at no additional charge.
Experienced machining of aerospace-grade materials including titanium, aluminum, stainless steels, PEEK, and specialty alloys to meet stringent aerospace material requirements.

Our estimators analyze your drawings, tolerances, and material specifications. Maryland aerospace programs often involve ITAR-sensitive components, and our ITAR-registered facility handles your documentation with full compliance from day one.
Delivering zero-defect aerospace components since 1953—here's what sets us apart for Maryland aerospace and defense programs.
ISO 9001 certified with ITAR registration, meeting the compliance standards required by Maryland's aerospace and defense contractors.
Tolerances down to ±.0002" with advanced CMM, OASIS optical, and Keyence inspection systems ensuring every part conforms to spec.
Founded in 1953 and now in its third generation, Criterion brings decades of expertise to aerospace, defense, and other no-failure industries.
From prototyping through high-volume production, we machine, inspect, document, and deliver—eliminating the need for multiple vendors in your supply chain.
Experienced professionals dedicated to precision, quality, and mission-critical delivery.

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.

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.

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.

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.

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.

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.

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.
CNC machining hourly rates typically range from $75 to $200+ per hour depending on machine type, part complexity, tolerances, and materials. Swiss turning and 5-axis milling for aerospace-grade materials like titanium generally command higher rates than standard 3-axis work. Contact Criterion for a detailed quote based on your specific aerospace component requirements.
Speak with our engineering and estimating team for a no-obligation consultation tailored to your program.
Criterion delivers precision aerospace CNC machined components to customers across Maryland, the Mid-Atlantic region, and nationwide.
Nationwide USA
Service Coverage
Since 1953
In Business
CMM + OASIS
Inspection Systems
Contact us to confirm we can support your Maryland aerospace program requirements.
Quality management system certified to international aerospace-grade standards.
Medical device quality management certification demonstrating precision and compliance.
Nationally recognized Women's Business Enterprise certification.
Share your part drawings, material requirements, and tolerances with our team. We'll respond promptly with a detailed quote and production timeline tailored to your Maryland aerospace program.
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.
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.