platinum:
  - 'AT&T'
  - Ericsson
  - Huawei
  - Intel
  - Rackspace
  - Red Hat
  - SUSE
  - Tencent
gold:
  - 99Cloud
  - Canonical
  - 'China Mobile'
  - 'China Telecom'
  - 'China Unicorn'
  - Cisco
  - 'City Network'
  - 'Dell EMC'
  - 'Deutsche Telekom'
  - EasyStack
  - FiberHome
  - Fujitsu
  - Inspur
  - inwinSTACK
  - Mirantis
  - NEC
  - NetApp
  - H3C
  - UnitedStack
  - 'ZTE Corporation'