Stanford Research Systems

Stanford Research Systems is a maker of general test and measurement instruments. The company was founded in 1980, is privately held, and is not affiliated with Stanford University.
Stanford Research Systems (SRS) manufactures all of their products at their Sunnyvale, California facility.
SRS produces scientific and engineering instruments for a number of different fields. Many of the products fall under the general category of "signal recovery". These products are primarily sold to industry, university, and government labs, or sold as OEM components to other manufacturers.