These are companies which give perks related to being a member of some service, including subscription services.
airCloset
Avex
Celsys
CyberAgent
Dai-Ichi Life
Dreambed
Fisco
Fukushima Bank
Japan Investment Adviser
Jorudan
Mainichi Comnet
Mercury
Pia
Rakuten
Relo Group
Rizap Group
Round One
SBI Global Asset Management
Tokyotokeiba
U-NEXT
Value HR
WOWOW
Weathernews
Yamaha Motor