Keko Varicon is perceived as one of ProTek Devices's biggest rivals. Keko Varicon was founded in 1960, and is headquartered in Zuzemberk, Ljubljana. Like ProTek Devices, Keko Varicon also competes in the Computers, Peripherals, Networking and Electronic Equipment space. Keko Varicon generates $20.6M more revenue vs. ProTek Devices.