Nordic Semiconductor - modules, sniffers
Estimote - beacons
Kontakt - beacons
Systech - gateways
Rigado - gateways
Fanstel - gateways
Minew - gateways, beacons, modules
AnkhMaway, Jaalee - gateways, beacons
Iotton - beacons
Mokosmart - beacons
Radius Networks - beacons
BlueUp - beacons
Sensoro - beacons
Gimbal - beacons
Accent - beacons
INGICS - gateways, beacons
April Brother - gateways, beacons, sniffers
Wellcore - beacons
Ada Fruit - modules, sniffers
Ellisys - sniffers
Laird - modules
ublox - modules
Silicon Labs - modules
Sierra Wireless - modules
Also see distributors.