Driven by the increased level of GNSS jamming in conflict zones, the market for antijamming systems has also increased the last decade. It is not only the large defence companies that are able to build anti-jamming system, but also smaller start-ups have its own solutions. This report provides a summaryofanti-jammingsystems available on the market by nineteen different manufactures. The purpose of this report is to provide an overview of anti-jamming systems and go through the different types of anti-jamming solutions.