99IOT
aconno
Adafruit
Advantech
Ai-thinker
Amp'ed RF Technology
Analog devices inc./maxim integrated
Arduino
California Eastern Laboratories
Cirrus logic inc.
Critical Link
Dfrobot
Digi
DOIT
Doodle labs
EBYTE
Embedded Artists
ESPRESSIF
Fanstel
FDI
H&D Wireless
HI-LINK
Infineon technologies
Infineon/cypress
Inventek
ITCAST
Laird
Lantronix
M5Stack
Microchip technology
Murata electronics
MXCHIP
oflycomm
Olimex
Onion
Panasonic
Parallax
Particle
QIACHIP
Qualcomm
Quectel
Renesas electronics america
RF Crazy
Rf solutions
RF-star
RHOMBUS IND.
Rohm semiconductor
Sagrad
Samsung semiconductor, inc.
Seeed
Sierra wireless
SKYWORKS/SILICON LABS
Sparkfun electronics
Stmicroelectronics
Telit
Texas Instruments
TUYA
U-blox
USR
Vollgo
WinnerMicro
Wireless-tag
Wiznet
Wurth
x-powers
YTL
ZLG