All Seeed Studio 14 Mikroe 9 Adafruit 7 SparkFun 4 Pyreos 4 Tinkerforge 3 DFRobot 2 Renesas / Intersil 1 Digilent 1 TDK InvenSense 1 Terabee 1 Texas Instruments 1 GHI Electronics 1 Analog Devices 1