Editing List of companies of Japan (section)

==Y==
{| class="wikitable"
|-
! English
! Japanese
! [[Rōmaji]]
! [[Tokyo Stock Exchange|TSE]]
|-
| [[Yaesu (brand)|Yaesu]]
| [[:ja:八重洲無線|八重洲無線株式会社]]
| ''Yaesu Musen Kabushiki-gaisha''
|
|-
| [[Yamabiko Corporation]]
| [[:ja:やまびこ (企業)|株式会社やまびこ]]
| ''Kabushiki-gaisha Yamabiko''
| {{Tyo1|6250}}
|-
| [[Yakult Honsha]]
| [[:ja:ヤクルト本社|株式会社ヤクルト本社]]
| ''Kabushiki-gaisha Yakuruto Honsha''
|
|-
| [[Yamada Denki]]
| [[:ja:ヤマダ電機|株式会社ヤマダ電機]]
| ''Kabushiki-gaisha Yamada Denki''
| {{Tyo1|9831}}
|-
| [[Yamagata Bank]]
| [[:ja:山形銀行|株式会社山形銀行]]
| ''Kabushiki-gaisha Yamagata Ginkō''
| {{Tyo1|8344}}
|-
| [[Yamaguchi Bank]]
| [[:ja:山口銀行|山口銀行]]
| ''Yamaguchi Ginkō''
| 
|-
| [[Yamaha Corporation|Yamaha]]
| [[:ja:ヤマハ|ヤマハ株式会社]]
| ''Yamaha Kabushiki Gaisha''
| {{Tyo1|7951}}
|-
| [[Yamaha Motor Corporation|Yamaha Motors]]
| [[:ja:ヤマハ発動機|ヤマハ発動機株式会社]]
| ''Yamaha Hatsudōki Kabushiki-gaisha''
| {{Tyo1|7272}}
|-
| [[Yamasa]]
| [[:ja:ヤマサ醤油|ヤマサ醤油株式会社]]
| ''Yamasa Shoyu Kabushiki-gaisha''
| {{Tyo1|8360}}
|-
| [[Swans (eyewear)|Yamamoto Kogaku]]
| [[:ja:山本光学|山本光学株式会社]]
| ''Yamamoto Kōgaku Kabushiki-gaisha''
| 
|-
| [[Yamato Transport]]
| [[:ja:ヤマト運輸|ヤマト運輸株式会社]]
| ''Yamato Un'yu Kabushiki-gaisha''
| {{Tyo1|9064}}
|-
| [[Yamazaki Baking]]
| [[:ja:山崎製パン|山崎製パン]]
| ''Yamazaki-sei Pan''
| {{Tyo1|2212}}
|-
| [[Yamazaki Mazak Corporation]]
| [[:ja:ヤマザキマザック|ヤマザキマザック株式会社]]
| ''Yamazaki Mazakku Kabushiki-gaisha''
|
|-
| [[Yanagisawa Wind Instruments]]
|
|
|
|-
| [[Yanmar]]
| [[:ja:ヤンマー|ヤンマー株式会社]]
| ''Yanmā Kabushiki-gaisha''
|
|-
| [[Yaskawa Electric Corporation|Yaskawa Electric]]
| [[:ja:安川電機|株式会社安川電機]]
| ''Kabushiki-gaisha Yasukawa Denki''
| {{Tyo1|6506}}
|-
| [[Yazaki]]
| [[:ja:矢崎総業|矢崎総業株式会社]]
| ''Yazaki Sōgyō Kabushiki-gaisha''
|
|-
| [[YKK]]
| [[:ja:YKK|YKK株式会社]]
| ''Waikeikei Kabushiki-gaisha''
|
|-
| [[Yokogawa Electric]]
| [[:ja:横河電機|横河電機]]
| ''Yokogawa Denki''
| {{Tyo1|6841}}
|-
| [[Yokohama Rubber Company]]
| [[:ja:横浜ゴム|横浜ゴム株式会社]]
| ''Yokohama Gomu Kabushiki-gaisha''
| {{Tyo1|5101}}
|-
| [[Yokomo]]
| [[:ja:ヨコモ|株式会社ヨコモ]]
| ''Kabushiki-gaisha Yokomo''
| 
|-
| [[Yoshimoto Kogyo]]
| [[:ja:吉本興業|吉本興業株式会社]]
| ''Yoshimoto Kōgyō Kabushiki-''
| {{Tyo1|9665}}
|-
| [[Yoshinoya]]
| [[:ja:吉野家|吉野家]]
| ''Yoshinoya''
| {{Tyo1|9861}}
|-
| [[Yuyama]]
| [[:ja:湯山製作所|株式会社 湯山製作所]]
| ''Kabushiki-gaisha Yuyama''
| 
|}