Business Details
45 Years
experience
Precision Contract Manufacturing Services
Group Manufacturing Svc has been a trusted leader in precision manufacturing since 1981. Our expertise spans sheet metal fabrication, machining, plastics, and contract manufacturing, serving industries from medical devices to aerospace. With two state-of-the-art facilities in San Jose and Rancho Cordova, we combine advanced technology with ISO 9001:2015-certified quality systems to deliver exceptional value.Our team of seasoned professionals prioritizes customer satisfaction through innovative solutions, responsive service, and end-to-end project support. From prototyping to turnkey assembly, we empower clients with reliable, cost-effective manufacturing partnerships tailored to evolving industry demands.
Services
Sheet Metal
Machining
Plastics
Assembly
Quality Control
Frames
Contract Manufacturing
Details
- Year established: 1981
Highlights and features
- We offer 40+ years of precision manufacturing experience since 1981
- Our ISO 9001:2015-certified quality systems ensure consistent excellence
- We provide comprehensive in-house capabilities from prototyping to assembly
- Our team delivers responsive support with 24/7 customer accessibility
- We implement innovative automation techniques to reduce costs and improve throughput
Associations and certifications
- ISO 9001:2015
What people say
Extremely informative
Great vendor
Knowledgeable staff
Responsive support
High-quality products
Services
Sheet Metal
Our precision sheet metal services handle aluminum, stainless steel, and cold rolled steel from prototype to production. We utilize CNC punch presses, laser cutting, and welding equipment to meet exact specifications. Our experienced team ensures high-quality fabrication for complex chassis, brackets, and industrial components.
Machining
We offer precision machining for metal and plastic components using advanced CNC vertical/horizontal mills and lathes. Our capabilities include complex geometries with tight tolerances supported by CAD/CAM software. Quality assurance includes coordinate measuring machine inspections for critical dimensions.
Plastics
Our plastic fabrication services handle polypropylene, polycarbonate, and acrylic materials for industrial applications. We employ CNC routing and specialized welding techniques for custom enclosures and components. This complements our metal fabrication capabilities for complete system integration.
Assembly
We provide complete mechanical assembly services in climate-controlled environments. Our ISO-certified quality system ensures proper component integration and final product verification. This includes procurement coordination and value-added kitting solutions.
Contract Manufacturing
Our contract manufacturing services offer complete OEM solutions from engineering support to finished product delivery. We handle component fabrication, quality control, and logistics to reduce client overhead costs while maintaining strict compliance standards.
People
Curtis Molyneaux
President / Engineering
With decades of manufacturing leadership experience, Curtis oversees engineering operations and strategic direction at GMS's San Jose facility, driving technical innovation and quality assurance.
Jody Baty
Director of Sales / Materials
Jody manages sales operations and material procurement with over 15 years of industry experience, ensuring efficient supply chain management and client relationship development.
Patti Thatcher
Manager Finance / Administration
Patti directs financial operations and administrative functions with extensive manufacturing industry expertise, maintaining fiscal integrity and operational efficiency across both facilities.
Tony Matos
G.M. Machining Division
Tony leads machining operations with deep technical knowledge, overseeing production efficiency and quality control for metal and plastic component manufacturing in San Jose.
Phil Dalton
V.P. Sales / Contract Manufacturing
Phil directs sales strategy for contract manufacturing solutions with extensive OEM market experience, developing client partnerships and expanding service offerings across technology sectors.
Questions
What manufacturing services do you offer?
We provide precision sheet metal fabrication, machining, plastics, mechanical assembly, frame welding, and full contract manufacturing solutions.
Are you ISO certified?
Yes, we maintain ISO 9001:2015 certification across both our California facilities.
What materials do you work with?
We handle aluminum, stainless steel, brass, copper, cold rolled steel, and various plastics including polycarbonate and Delrin.
What industries do you serve?
We support medical device manufacturers, aerospace companies, semiconductor firms, and technology innovators with specialized manufacturing needs.
Do you offer turnkey manufacturing solutions?
Yes, we provide complete turnkey services from component fabrication to final product assembly and delivery.
