• Keiretsu‎ (9 C, 22 P)
• Zaibatsu‎ (6 C, 14 P)

B

• B Zone‎ (3 C, 6 P)
• Bandai Namco Holdings‎ (10 C, 7 P)

D

• Daikin‎ (14 P)

F

• Fujisankei Communications Group‎ (3 C, 16 P)
• Furukawa Group‎ (13 P)
• Fuyo Group‎ (8 C, 41 P)

G

• Giza Studio‎ (3 C, 1 P)

I

• Itochu‎ (2 C, 38 P)

J

• Japan Post Holdings‎ (1 C, 13 P)
• Japan Railway companies‎ (10 C, 5 P)

K

• Kawasaki Heavy Industries‎ (8 C, 18 P)
• Kirin Group‎ (1 C, 7 P)

M

• Midori-kai‎ (7 C, 52 P)
• Mitsubishi‎ (3 C, 43 P)
• Mitsui‎ (13 C, 53 P)
• Mizuho Financial Group‎ (4 C, 23 P)

N

• Nankai Group‎ (3 C, 7 P)
• Nippon Telegraph and Telephone‎ (3 C, 31 P)
• Nomura Holdings‎ (16 P)

P

• Panasonic‎ (3 C, 47 P)
• Electric power companies of Japan‎ (4 C, 15 P)

S

• Seibu Group‎ (5 C, 9 P)
• SoftBank Group‎ (7 C, 29 P)
• Sumitomo Group‎ (5 C, 37 P)

T

• Conglomerate companies based in Tokyo‎ (10 C, 36 P)
• Tokyu Group‎ (2 C, 9 P)

*

• Keiretsu
• Zaibatsu

A

• Asahi Kasei

B

• B Zone
• Bandai Namco Holdings

D

• Dai-Ichi Kangyo
• Daikin

F

• Fujisankei Communications Group
• Furukawa Group

H

• Hankyu Hanshin Toho Group
• Hitachi

I

• ID&E Holdings
• Itochu

J

• Japan Railways Group

K

• Kawasaki Heavy Industries
• Kodenshi AUK Group
• Kubota
• Kyocera

M

• Midori Kai
• Mitsubishi Kinyokai
• Mitsubishi UFJ Financial Group

N

• NEC
• Nissan

O

• Ocean Network Express

R

• Recruit (company)

S

• Sanwa Group
• SoftBank Group
• Square Enix
• Subaru Corporation
• Suzuki

T

• Toho
• Toyo Tires
• Toyota

Y

• Yamaha Corporation
• Yasuda zaibatsu