They make electronic hardware prototyping products. These are used by educational institutions, electronic engineers and enthusiasts. Hardware Prototyping and Development Tools.
Twin Industries – Electronics Prototyping Solutions
Amanog many other products they have Raspberry Pi Prototyping Boards, RF/Microwave Microamp Prototyping Boards, Enclosures and Accessories.LED Prototyping Boards, SMT & BGA Adapters, ISA and PCI Products.
See below MB-13 and RF Module PCB designed for rapid prototyping of microwave VCOs using Hittite Microwave devices. The boards are fabricated with high-performance 13 mil thick RO-4350 laminate with RoHS compatible ENIG plating on both the component side and the solid bottom ground plane.
MicroAmp Prototyping Boards and Enclosures
The MicroAmp MH-2 housing will accommodate two MB series circuit board to create a completely shielded 2-port circuits. Boards are available for microwave amplifiers, filters, log detectors, frequency multipliers, dividers, and operational amplifiers that can be cascaded together in a single housing to create more complex circuits.
2303 Camino Ramon, Suite 106 San Ramon, CA 94583 USA