CNC Milling
Multi-axis CNC milling for complex laser housing and optical subassembly components. Our 3-, 4-, and 5-axis capabilities produce intricate geometries with consistent repeatability and tolerances down to ±.0002".
Laser and photonics systems demand components machined to sub-micron exactness—where a single deviation can compromise an entire assembly. Criterion Precision Machining delivers tight-tolerance parts for laser housings, lens mounts, and optical subassemblies, combining Swiss turning, multi-axis CNC milling, and ISO-certified quality assurance to keep your laser systems performing flawlessly, every time.

Comprehensive precision machining solutions for laser and photonics assemblies, engineered to the tightest tolerances in the industry.
Multi-axis CNC milling for complex laser housing and optical subassembly components. Our 3-, 4-, and 5-axis capabilities produce intricate geometries with consistent repeatability and tolerances down to ±.0002".
Swiss turning for slender, micro-sized laser assembly parts requiring exceptional surface finishes. Ideal for small-diameter optical components in titanium, stainless steel, and specialty alloys with tolerances down to ±.0002".
High-precision CNC turning for cylindrical laser assembly components and complex geometry optical parts. We deliver tight tolerances and smooth surface finishes critical to photonics performance.
Production-intent prototyping for laser and photonics components—lens housings, mounts, and optical system parts—produced on the same machines and to the same standards as full production orders.
ISO-certified multi-point inspection for laser assembly components using CMM, OASIS optical inspection, and Keyence systems. Certificates of Conformance and final inspection reports provided at no charge.
Expert machining of titanium, stainless steels, aluminum, PEEK, and specialty alloys commonly required in laser and photonics assemblies—ensuring dimensional integrity and surface quality for optical performance.
Laser and photonics assemblies leave no margin for error—misaligned tolerances mean failed optical performance. Criterion Precision Machining brings over 70 years of machining expertise to lens mounts, optical housings, and laser subassemblies, holding tolerances down to ±.0002" across titanium, stainless steel, and specialty plastics. Our ISO 13485 and ISO 9001 certified facility, combined with multi-axis Swiss and CNC capabilities, ensures every component ships inspection-verified and production-ready.

See how Criterion delivers precision-machined laser components that meet the strictest photonics and optics standards.
From our Ohio facility, we bring seven decades of precision machining experience to every laser assembly component we produce.
We hold tolerances down to ±.0002", meeting the exacting demands of laser optics and photonics assemblies.
ISO 13485 and ISO 9001 certified with multi-point CMM and optical inspection—every laser component is verified before shipment.
Founded in 1953 and now third-generation owned, Criterion has deep roots serving precision industries across the United States.
Specialized exclusively in mission-critical sectors—photonics, medical, aerospace, and defense—where component failure is never an option.
Experienced professionals dedicated to precision, quality, and mission-critical manufacturing.

President
Tanya DiSalvo leads Criterion Precision Machining as its third-generation owner, carrying forward a legacy of precision and craftsmanship that began when her family's company was founded in 1953. Under her leadership, Criterion has evolved from a general machine shop into a specialized precision machining partner for the most demanding industries—medical device, aerospace, defense, and photonics. Tanya is committed to continuous investment in advanced technology and quality systems, ensuring Criterion remains at the forefront of tight-tolerance machining. As a WBENC-certified woman business owner, she brings a progressive, people-powered approach to manufacturing, building a team and culture focused on zero-failure outcomes for every customer across the United States.

Estimator/Project Manager
Mike Pinchot serves as Estimator and Project Manager at Criterion Precision Machining, playing a pivotal role in translating customer requirements into accurate, competitive quotes and seamlessly managing projects from initial inquiry through delivery. With deep knowledge of precision machining capabilities—including Swiss turning, multi-axis CNC milling, and CNC turning—Mike ensures that every laser assembly component project is scoped correctly, priced transparently, and executed on schedule. His project management expertise bridges the gap between Criterion's engineering capabilities and the demanding timelines of photonics and optics customers, ensuring that each order meets the exacting tolerances and quality standards that Criterion's clients depend on for mission-critical applications.

Chief Financial Officer
David Glass serves as Chief Financial Officer at Criterion Precision Machining, overseeing the financial health and strategic investments that enable Criterion to maintain its best-in-class precision machining capabilities. His financial stewardship supports ongoing investment in advanced CNC equipment, inspection systems, and quality infrastructure—ensuring Criterion can consistently meet the demands of photonics, medical, and aerospace customers. David's work behind the scenes ensures that Criterion remains a stable, reliable long-term manufacturing partner for customers who depend on consistent quality and on-time delivery of mission-critical laser assembly components.

Quality Manager
Kelly Marflak leads the Quality department at Criterion Precision Machining, overseeing the company's ISO 13485 and ISO 9001 certified quality assurance program. Kelly manages Criterion's multi-point inspection infrastructure—including the Global Advantage CMM with TESTASTAR-sm probe, the OASIS Optical Automatic Smart Inspection System, and Keyence measuring systems capable of evaluating up to 99 dimensions on 100 parts simultaneously. For laser assembly component customers, Kelly ensures every part shipped meets the sub-thousandth tolerances required by photonics and optical systems. Her commitment to quality documentation—including Certificates of Conformance and final inspection reports—gives customers full traceability and confidence in every order.

Internal Systems Manager
Kellyanne Gottschalk manages Criterion's internal systems and operational workflows, ensuring the company's ProShop ERP platform and production processes run efficiently from order entry through final delivery. Her role is critical to maintaining the scheduling accuracy and process discipline that precision machining customers—especially those in photonics and optics—require for reliable, on-time component delivery. Kellyanne's oversight of internal systems helps Criterion scale its laser assembly component machining services while preserving the quality and traceability standards that define the company's reputation in mission-critical industries.

Customer Service
Nilda Feliciano is Criterion Precision Machining's dedicated Customer Service representative, serving as the primary point of contact for clients throughout the order lifecycle. From initial inquiries about laser assembly component machining to order status updates and delivery coordination, Nilda ensures that every customer receives responsive, knowledgeable support. Her understanding of Criterion's precision machining capabilities allows her to address technical questions, facilitate communication between customers and the production team, and ensure that every client experience reflects Criterion's commitment to quality, reliability, and partnership in the photonics, medical, and aerospace industries.

Office Administrator
Bonnie Paletta serves as Office Administrator at Criterion Precision Machining, providing the organizational backbone that keeps daily operations running smoothly. From managing administrative processes to supporting cross-functional communication within the team, Bonnie ensures that Criterion's office functions with the same precision and reliability that defines its manufacturing floor. Her contributions allow the technical and customer-facing teams to focus fully on delivering high-quality laser assembly components to photonics, aerospace, and medical device customers—reinforcing Criterion's reputation as a dependable, detail-oriented precision machining partner.
What are the advantages of laser beam machining (LBM) for precision components?
Laser beam machining offers contactless material removal, enabling extremely fine features without mechanical stress on delicate parts. It allows high precision on hard or brittle materials, minimal heat-affected zones with proper parameters, and the ability to machine complex geometries. For laser assembly components specifically, LBM can complement traditional CNC methods for features that require micron-level accuracy.
What is precision parts manufacturing?
What tolerances can Criterion hold for laser assembly components?
What materials can Criterion machine for laser assembly components?
Does Criterion offer prototyping for laser assembly components before full production?
What certifications does Criterion hold that are relevant to laser and photonics component machining?
How does Criterion ensure quality for precision laser assembly components?
What industries does Criterion serve with its precision machining capabilities?
Speak with our engineering team for a free consultation on your laser assembly component requirements.
Criterion Precision Machining ships precision laser assembly components to customers across the United States from our Brook Park, Ohio facility.
Nationwide U.S.
Service Area
Brook Park, Ohio
Headquarters
Since 1953
In Business
We serve laser and photonics manufacturers across the entire United States. Contact us to discuss your project.
Quality management certification for medical device manufacturing compliance.
International standard confirming our quality management systems meet global benchmarks.
Women's Business Enterprise National Council certified woman-owned business.
Share your component drawings, tolerances, and material requirements. Our team will review your specifications and respond with a detailed, competitive quote tailored to your laser assembly project.
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