What can we build for you?



RTV Molding Casting


CNC Machining



Services and Solutions

Our services are based on your needs. First, we ask you about the purpose of your prototype and its usability requirements. Then, we recommend a prototyping or low-volume manufacturing solution that balances your quality and performance needs with your budget and time constraints. From one part to several hundred parts, we have the capability and bandwidth to handle your requests.

Customized Solutions

At A+J, we are focused on customizing a solution to your prototyping or manufacturing need. Every project is a challenge with its own complexities. For every project, we craft a production process that best suits the successful fulfillment of its unique needs. Rush job? Tight tolerances? Two-color over-molding? We have a solution.


CNC Machining

When you are ready to convert your 3D CAD data into a holdable, touchable 3D form, we can help. From high-density foam ideation models for design check, to engineering prototypes for fit check, we provide CNC machining solutions in numerous shapes, sizes and materials.


RTV Molding/Urethane Casting

When you are ready to perform engineering, usability or market testing of your assembly, we can help. Our soft tooling, cast urethane part technology is a cost efficient way to create limit quantities of production-like parts. From rigid urethanes to tinted clear parts to cast-in color elastomers, we have solutions.



The finishing touch is always a critical element of any design. When you need to prepare color studies, two-color or textured parts, vapor polishing or production painting, we can help. We are a certified EMI shielding source!


Production Bridge

When you need to produce your first production parts, we can help. We offer value added assembly services including hardware ordering (from your vendors) and installation, graphics application and custom crating. Let us bridge the gap with low volume production needs.


Meet our team of experts and see how they craft custom prototypes with precision and skill for our clients. 

Contact A&J

Call us at (408) 400-9501
Visit at 1245 Birchwood Drive, Sunnyvale, CA 94089