Sunstone Circuits is a manufacturing company based in the United States, specializing in electronics. Founded in 1972, the company has established itself within the industry, employing between 51 and 200 individuals and generating revenue of approximately $28.77 million. Their expertise is highlighted in a published white paper that discusses thermal management solutions, particularly in the context of defense applications. The document outlines a case study where Sunstone Circuits addressed significant thermal management challenges faced by a defense contractor. This involved the development of thermally conductive printed circuit boards (PCBs) and in-house fabrication of both the PCB and copper heat sink, ensuring efficient heat dissipation while maintaining electrical isolation. The collaboration with design houses and iterative prototyping were key components in optimizing the thermal management solution for performance and reliability. The company's focus on advanced manufacturing capabilities and tailored solutions demonstrates its commitment to meeting the stringent requirements of its clients in demanding environments.