CNC Milling
Advanced 3-, 4-, and 5-axis CNC milling for complex aerospace geometries, delivering intricate components with exceptional repeatability and tight tolerances.
Delivering mission-critical aerospace components with tolerances down to ±.0002" for California's aerospace industry. From complex geometries to specialized materials, our ISO-certified facility ensures zero-failure performance for aircraft, defense systems, and space applications with advanced 5-axis CNC milling and Swiss turning capabilities.

Complete aerospace manufacturing solutions from prototyping to production with mission-critical precision.
Advanced 3-, 4-, and 5-axis CNC milling for complex aerospace geometries, delivering intricate components with exceptional repeatability and tight tolerances.
Precision Swiss turning for small-diameter aerospace components, achieving tolerances down to ±.0002" with superior surface finishes on challenging materials.
High-precision turning for cylindrical aerospace parts and complex geometries, specializing in titanium, stainless steels, and specialty aerospace alloys.
Production-intent aerospace prototyping that bridges design and manufacturing, ensuring fit, function, and manufacturability validation before full production.
Comprehensive quality assurance with Global Advantage CMM, PC-DMIS software, and certified inspection processes ensuring aerospace compliance standards.
California's aerospace industry demands components that perform flawlessly under extreme conditions. Our ISO-certified facility delivers precision-machined parts for aircraft systems, defense applications, and space missions, meeting the stringent requirements of California's leading aerospace manufacturers and supporting the state's position as a global aerospace innovation hub.

Trusted by leading aerospace companies for mission-critical components.
Over 70 years of precision machining excellence for aerospace applications.
Specialized in California's aerospace sector with deep understanding of industry requirements and regulations.
Tolerances down to ±.0002" with advanced multi-axis capabilities for complex aerospace geometries.
ISO 13485 and ISO 9001 certified with comprehensive quality systems meeting aerospace standards.
State-of-the-art CNC equipment including 5-axis milling and 8-axis Swiss turning for superior precision.
Expert professionals dedicated to aerospace excellence.

President
As President and third-generation owner of Criterion Precision Machining, Tanya DiSalvo leads the company's mission to serve California's aerospace industry with unwavering precision. Under her leadership, Criterion has evolved from a general machine shop founded in 1953 into a specialized aerospace precision machining facility. Tanya's commitment to excellence has positioned the company as a trusted partner for mission-critical aerospace components, maintaining the highest standards of quality while embracing advanced manufacturing technologies. Her vision drives the company's focus on zero-failure industries, ensuring every aerospace component meets the exacting demands of California's leading aerospace manufacturers. As a woman-owned business leader, she brings both innovation and reliability to serve the complex needs of aircraft, defense, and space applications.
What tolerances can you achieve for aerospace components?
We consistently achieve tolerances down to ±.0002" using our advanced CNC equipment and certified quality systems, meeting the most demanding aerospace specifications.
Do you work with specialized aerospace materials?
Are you certified for aerospace manufacturing?
What CNC capabilities do you offer for aerospace parts?
Can you handle aerospace prototyping?
What quality inspection equipment do you use?
What's your typical lead time for aerospace components?
Do you provide certificates of conformance?
Speak with our aerospace specialists about your precision machining requirements.
Medical Device Quality Management
Quality Management Systems
WBENC Certified Enterprise
Get expert consultation and precision quotes for your aerospace machining 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