Amazon Web Services Inc.; BTL Group Ltd.; r3; Bitfury; IBM; ConsenSys; LeewayHertz; 4IRE Labs; Factom; Synsoft Global; OpenLedger; Inn4Science; Titanium Blockchain; Blockchain Intelligence Group; Blockchangers; ChromaWay; Intellectsoft; Altoros; Deqode; Primechain; SoluLab; Accubits; SheerChain; Espeo; Venture Aviator; Software Mill