These are companies that give perks related to visiting amusement parks and other entertainment venues.
Daiei Kankyo (INAC Kobe Leonessa tickets, Kobe Super Stadium)
DeNA (Yokohama Baystars tickets)
East Japan Railway (Gala Yuzawa, Omiya Train Museum)
Ebara (Ebara Hatakeyama Museum of Fine Art)
Fuji Kyuko (Fuji-Q Highland, Amusement Park Grinpa, Lake Sagami Resort Pleasure Forest, Snow Park Yeti, Adatara Kogen Ski Resort)
Fujita Kanko (Yunessun/Shimoda Aquarium)
Greenland Resort (Kumamoto/Hokkaido Greenland)
Honda (Super Formula, Enjoy Honda)
KeyHolder (Olive Spa/Pantheon, lottery for concerts)
Kuramoto (Potential trip to China)
Nippon Parking Development (Nasu Highland/Nasu Rindo Lake Family Ranch/Various ski resorts)
Oriental Land (Disneyland/Disney Sea)
Sanrio (Puroland/Harmonyland)
Tokyotokeiba (Tokyo Summerland, Oi Racecourse)
Tokyo Metro (Subway Museum, Metro Green)
Toyota (Various motorsport events)
West Japan Railway (Kyoto Train Museum)