About Us

Who We Are

Precision CNC Machining Excellence in Stockton, California

GC Machining stands as a leading precision CNC machining company serving aerospace, semiconductor, and commercial aviation industries from our state-of-the-art facilities in Stockton, California. Founded in 2005 by George Cruz, our AS9100 & ISO 9001:2015 certified and ITAR registered facility has grown into a 22,504 square foot operation with 27 skilled professionals dedicated to manufacturing excellence.

Our team brings together experienced CNC machinists, quality technicians, manufacturing engineers, and assembly operators who share a commitment to producing high-quality machined components. From our President and CEO to our newest team members, each person contributes to our reputation for precision, reliability, and customer service.

What We Do

GC Machining specializes in precision CNC machining services that transform raw materials into exact-specification components for critical applications. Our comprehensive manufacturing capabilities include:

CNC Turning Operations

Our turning centers equipped with live tooling and bar feeders produce precision cylindrical components with exceptional accuracy and finishing surface quality.

CNC Milling Services

Our advanced vertical and horizontal machining centers handle complex geometries and tight tolerances across a wide range of materials. From prototype development to production runs, our milling capabilities support diverse project requirements.

Our facility houses advanced equipment including HAAS horizontal and vertical machining centers, KIWA multi-axis systems, Matsuura 5-axis technology, and specialized Swiss screw turning lathes. This diverse equipment portfolio enables us to machine components in stainless steel, titanium, super alloys, aluminum, plastic, copper, and brass materials.

Every project benefits from our rigorous quality control processes, supported by our AS9100 & ISO 9001:2015 certification and ITAR registration for sensitive aerospace and defense applications.

Industries served

Who We Serve

Our precision machining services support critical industries where quality, reliability, and compliance are essential—from aerospace and defense to semiconductors, commercial aviation, and advanced technology applications.

Aerospace Industry

We manufacture components for aerospace applications that demand exceptional precision, material integrity, and regulatory compliance. Our ITAR registration enables us to work on sensitive defense and aerospace projects.

Semiconductor Industry

The semiconductor sector relies on our precision machining capabilities for components that require microscopic tolerances and ultra-clean manufacturing environments.

Commercial Aviation

Our machining services support commercial aviation manufacturers with components that meet stringent safety and performance standards.

Technology Companies

We partner with technology firms requiring precision components for innovative products and applications across diverse market segments.

AS9100 & ISO 9001:2015

Comprehensive quality management systems that meet international standards for precision manufacturing and quality control

Why Choose GC Machining

Proven Experience

With nearly two decades of operation since 2005, we have developed deep expertise in precision machining across multiple industries. Our mature organization provides stability and reliability that clients can depend on.

Advanced Technology

Our facility features state-of-the-art CNC equipment including 5-axis machining centers, horizontal machining systems with pallet pools, and specialized turning centers that enable us to tackle complex projects other shops cannot handle.

Quality Certifications

Our AS9100 & ISO 9001:2015 certification and ITAR registration demonstrate our commitment to quality systems and regulatory compliance. These certifications provide assurance that your projects will meet the highest standards.

Flexible Capabilities

Our diverse equipment portfolio and skilled workforce enable us to handle projects ranging from single prototypes to full production runs. This flexibility means we can grow with your business needs.

Strategic Location

Located in Stockton, California, we provide convenient access to major California markets and maintain competitive pricing structures that deliver value to our clients.

Skilled Workforce

Our 27-person team includes experienced machinists, quality professionals, and project managers who bring decades of combined experience to every project. Low turnover and competitive employment packages mean your projects benefit from consistent, experienced hands.

Customer-Focused Service

We understand that successful projects require excellent communication, responsive service, and flexible problem-solving. Our team works closely with clients throughout the project lifecycle to deliver results that exceed expectations.

Continuous Improvement

Our commitment to continuous improvement drives ongoing investment in new technology, process optimization, and workforce development. This approach keeps us at the forefront of precision machining capabilities.

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