Amazon - Online retailer / Smart Home
Arrow - Hardware & software manufacturer
August - Smart lock maker
Blink - Smart camera and doorbell manufacturer (acquired by Amazon in 2017)
Bosch Building Technologies - Business infrastructures, commercial buildings, smart cities
Bulb - Renewable energy supplier
Digital Catapult UK - Non-profit organisation
ELAN - Smart home control and automation
FoAlert - Farm animals (mares, cows, sheep, llamas) birth monitoring system
Hudlog - Head-Up display / AR
IBM - IoT End-to-End stack provider
iLumTech - innovates lighting, optical, and electronic products
IoTChain - An IoT operating system based on the blockchain
LIFX - Smart Lights
Mainflux - Open-source IoT platform
Microsoft - IoT End-to-End stack provider
MultiTech - Hardware manufacturer
Resin.io - DevOps management platform for connected devices
Ring - Video doorbell manufacturer (acquired by Amazon in 2018)
TP-LINK - Hardware manufacturer
u-blox - Hardware manufacturer
weeve - Blockchain-based global network of IoT devices autonomously buying and selling their data.
WND - UK Sigfox Network operator