CNC Milling
Precision CNC milling for complex railroad seal geometries with tight tolerances and consistent repeatability across production runs.
Precision railroad seal manufacturing using advanced CNC plastic machining technology. Custom-engineered seals designed for Texas railroad environments, ensuring optimal performance under extreme weather conditions and heavy-duty operations. Our ISO-certified facility delivers railroad seals with tolerances down to ±.0002" for critical transportation infrastructure.

Comprehensive precision machining solutions for railroad seals and custom plastic components.
Precision CNC milling for complex railroad seal geometries with tight tolerances and consistent repeatability across production runs.
High-precision CNC turning for cylindrical railroad seal components, delivering tight tolerances and smooth surface finishes.
Swiss turning for complex small-diameter railroad seal components with exceptional precision and surface finish quality.
Production-intent prototyping for railroad seals, testing fit, function, and manufacturability before full production runs.
Comprehensive quality assurance with precision CMM inspection and documentation for railroad seal compliance verification.
Custom-engineered plastic components for railroad applications, designed to meet specific operational requirements and specifications.
Our advanced CNC plastic machining capabilities deliver railroad seals engineered to withstand Texas's demanding climate conditions and heavy-duty rail operations. With ISO 13485 and ISO 9001 certifications, we manufacture custom seals with tolerances down to ±.0002", ensuring optimal performance and longevity in critical transportation infrastructure applications.

Delivering mission-critical components for transportation and defense sectors since 1953.
Three generations of precision machining excellence for mission-critical applications.
Tolerances down to ±.0002" with advanced Swiss turning and CNC capabilities.
ISO 13485 and ISO 9001 certified with comprehensive quality assurance programs.
Serving Texas railroad industry with 70+ years of precision machining expertise.
Advanced CMM inspection and multi-axis machining for complex railroad seal geometries.
Expert precision machining professionals dedicated to excellence.

President
As third-generation owner and President of Criterion Precision Machining, Tanya DiSalvo leads the company's mission to deliver precision components for 'No Failure' industries. Under her leadership, Criterion has evolved from a general machine shop founded in 1953 to a specialized precision machining company serving medical device, aerospace, defense, and transportation sectors. Tanya champions the company's woman-owned business certification and commitment to advancing manufacturing excellence through cutting-edge technology and quality systems. Her vision drives Criterion's focus on mission-critical applications where precision and reliability are paramount, including railroad seal manufacturing for Texas's demanding transportation infrastructure.

Quality Manager
Kelly Marflak serves as Quality Manager at Criterion Precision Machining, overseeing the company's comprehensive quality assurance programs that ensure railroad seals and precision components meet the exacting standards required for mission-critical applications. With expertise in ISO 13485 and ISO 9001 quality systems, Kelly manages advanced inspection processes including CMM coordinate measurement and optical inspection systems. Her leadership ensures that every railroad seal manufactured meets stringent tolerances and performance requirements, particularly important for Texas rail operations where component reliability directly impacts safety and operational efficiency. Kelly's commitment to quality excellence supports Criterion's reputation as a trusted partner for industries where failure is not an option.

Estimator/Project Manager
Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, bringing extensive expertise in precision machining project coordination and cost analysis. He specializes in evaluating complex railroad seal manufacturing requirements and developing comprehensive project timelines that ensure on-time delivery for Texas transportation infrastructure projects. Mike's deep understanding of CNC machining processes, material selection, and quality requirements enables him to provide accurate estimates and manage projects from initial concept through final delivery. His project management expertise ensures that railroad seal manufacturing projects meet both technical specifications and delivery deadlines, critical for maintaining Texas rail system operations and safety standards.
What materials do you use for railroad seal manufacturing?
We machine specialty plastics including PEEK, as well as other engineering-grade materials suitable for railroad applications. Our material selection ensures optimal performance under extreme temperatures and heavy-duty operational conditions typical in Texas rail environments.
What tolerances can you achieve for railroad seals?
Do you offer prototyping services for custom railroad seals?
What quality certifications do you hold?
How long does it take to manufacture custom railroad seals?
Do you provide inspection documentation?
Can you handle high-volume production runs?
What secondary operations do you offer?
Our engineering experts are ready to discuss your railroad seal requirements.
Medical device quality management certification
International quality management standard certification
Women's Business Enterprise certified company
Contact our engineering team for a detailed quote and technical consultation for your custom railroad seal requirements.
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