JR Railway

File:JR Rail en.svg
JR Group
JR Hokkaido (incomplete)
JR East (incomplete)
JR Central (incomplete)
JR West (incomplete)
JR Shikoku (incomplete)
JR Kyushu (incomplete)
JR Freight (incomplete)

Sixteen Major Private Railways

Sixteen Major Private Railways
Kanto Region	Chubu Region	Kansai Region	Kyushu
Keikyu Corporation (incomplete)	Nagoya Railroad (incomplete)	Hankyu Corporation (incomplete)	Nishi-Nippon Railroad (incomplete)
Keio Corporation (incomplete)		Hanshin Electric Railway (incomplete)
Keisei Electric Railway		Keihan Electric Railway (incomplete)
Odakyu Electric Railway (incomplete)		Kintetsu Railway (incomplete)
Sagami Railway (incomplete)		Nankai Electric Railway (incomplete)
Seibu Railway (incomplete)
Tobu Railway (incomplete)
Tokyo Metro (incomplete)
Tokyu Railways (incomplete)

Five Semi-Major Private Railways

Five Semi-Major Private Railways
Kanto Region	Kansai Region
Shin-Keisei Electric Railway (incomplete)	Kita-Osaka Kyuko Railway (incomplete)
	Kobe Rapid Transit Railway (incomplete)
	Sanyo Electric Railway (incomplete)

Other Private and Third Sector Railways

Hokkaido	Tohoku Region	Kanto Region	Chubu Region	Kansai Region	Chugoku Region	Shikoku Region	Kyushu Region
South Hokkaido Railway Company	Aomori Prefecture	Ibaraki Prefecture	Niigata Prefecture	Mie Prefecture	Tottori Prefecture	Tokushima Prefecture	Fukuoka Prefecture
	Aoimori Railway	Hitachinaka Seaside Railway	Echigo Tokimeki Railway	Iga Railway	Chizu Express	Asa Kaigan Railway	Amagi Railway
		Kanto Railway	Hokuetsu Express	Ise Railway	Wakasa Railway		Heisei Chikuho Railway
	Fukushima Prefecture	Kashima Rinkai Railway		Sangi Railway		Kagawa Prefecture
	Konan Railway		Toyama Prefecture	Yokkaichi Asonarou Railway	Shimane Prefecture	Takamatsu-Kotohira Electric Railroad	Nagasaki Prefecture
	Tsugaru Railway	Tochigi Prefecture	Ainokaze Toyama Railway		Ichibata Electric Railway		Matsuura Railway
		Moka Railway	Kurobe Gorge Railway	Shiga Prefecture		Ehime Prefecture	Shimabara Railway
	Iwate Prefecture	Yagan Railway	Toyama Chiho Railway	Ohmi Railway	Okayama Prefecture	Iyo Railway
	IGR Iwate Galaxy Railway			Shigaraki Kohgen Railway	Ibara Railway		Kumamoto Prefecture
	Sanriku Railway	Gunma Prefecture	Ishikawa Prefecture		Mizushima Rinkai Railway	Kochi Prefecture	Hisatsu Orange Railway
		Jomo Electric Railway	Hokuriku Railroad	Kyoto Prefecture		Tosa Kuroshio Railway	Kumagawa Railroad
	Miyagi Prefecture	Joshin Dentetsu	IR Ishikawa Railway	Eizan Electric Railway	Yamaguchi Prefecture		Kumamoto Electric Railway
	Sendai Airport Transit	Watarase Keikoku Railway	Noto Railway	Sagano Scenic Railway	Nishikigawa Railway		Minamiaso Railway
				Willer Trains
	Akita Prefecture	Saitama Prefecture	Fukui Prefecture
	Akita Nairiku Jukan Railway	Chichibu Railway	Echizen Railway	Osaka Prefecture
	Yuri Kogen Railway	Saitama Railway		Mizuma Railway
			Nagano Prefecture
	Yamagata Prefecture	Chiba Prefecture	Alpico Kotsu	Hyogo Prefecture
	Yamagata Railway	Choshi Electric Railway	Nagano Electric Railway	Hojo Railway
		Hokuso Railway	Shinano Railway	Kobe Electric Railway
	Fukushima Prefecture	Isumi Railway	Ueda Electric Railway	Nose Electric Railway
	AbukumaExpress	Kominato Railway
	Aizu Railway	Ryutetsu	Gifu Prefecture	Wakayama Prefecture
	Fukushima Transportation	Shibayama Railway	Akechi Railway	Kishu Railway
		Toyo Rapid Railway	Nagaragawa Railway	Wakayama Electric Railway
			Tarumi Railway
		Tokyo	Yoro Railway
		Metropolitan Intercity Railway Company
		Tokyo Waterfront Area Rapid Transit	Shizuoka Prefecture
			Enshu Railway
		Kanagawa Prefecture	Gakunan Railway
		Hakone Tozan Railway	Izuhakone Railway
		Izuhakone Railway	Izukyu Corporation
		Yokohama Minatomirai Railway	Oigawa Railway
			Shizuoka Railway
			Tenryu Hamanako Railroad

			Aichi Prefecture
			Aichi Loop Line Company
			Nagoya Seaside Rapid Railway
			Tokai Transport Service
			Toyohashi Railroad

Subways

Hokkaido	Tohoku Region	Kanto Region	Chubu Region	Kansai Region	Kyushu Region
Sapporo City Transportation Bureau	Sendai City Transportation Bureau	Tokyo Metropolitan Bureau of Transportation	Transportation Bureau City of Nagoya	Kobe Municipal Transportation Bureau	Fukuoka City Transportation Bureau
		Tokyo Waterfront Area Rapid Transit		Hokushin Kyuko Electric Railway
		Saitama Railway		Osaka Rapid Electric Tramway
		Yokohama Minatomirai Railway		Kyoto Municipal Transportation Bureau
		Yokohama City Transportation Bureau

Monorails

Kanto Region	Kansai Region	Kyushu Region
Chiba Urban Monorail	Osaka Monorail	Kitakyushu Monorail
Maihama Resort Line		Okinawa Urban Monorail
Tokyo Monorail
Shonan Monorail
Tama Toshi Monorail

New Transit Systems

Kanto Region	Chubu Region	Kansai Region	Chugoku Region
Saitama New Urban Transit	Aichi Rapid Transit	Kobe New Transit	Hiroshima Rapid Transit
Seibu Railway	Nagoya Guideway Bus	Osaka Municipal Transportation Bureau
Yamaman
Yokohama Seaside Line
Yurikamome

Trams

Hokkaido	Kanto Region	Chubu Region	Kansai Region	Chugoku Region	Shikoku Region	Kyushu Region
Hakodate City Transportation Bureau	Enoshima Electric Railway	Fukui Railway	Hankai Electric Tramway	Hiroshima Electric Railway	Iyo Railway	Kagoshima City Transportation Bureau
Sapporo City Transportation Bureau	Tokyo Metropolitan Government Bureau of Transportation	Manyosen	Keihan Electric Railway	Okayama Electric Tramway	Tosaden Kotsu	Nagasaki Electric Tramway
	Tokyu Corporation	Toyama Chiho Railway				Chikuho Electric Railroad
	Utsunomiya Light Rail	Toyohashi Railroad				Kumamoto City Transportation Bureau

Funiculars (Cable System)

Keifuku Electric Railroad

Keihan Electric Railway

Kintetsu Railway

Kobe City Urban Development

Kurama-dera

Mitake Tozan Railway

Mt. Rokkō Cable Car & Tourism Company

Nankai Electric Railway

Nose Electric Railway

Okamoto MFG

Ōyama Cable Ca

Sarakurayama Tozan Railway

Seikan Tunnel Museum

Shikoku Cable

Takao Tozan Electric Railway

Tango Kairiku Kōtsū

Tateyama Kurobe Kankō

Tsukuba Kankō Railway

Hokkaido	Tohoku Region	Kanto Region	Chubu Region	Kansai Region	Chugoku Region	Shikoku Region	Kyushu Region
		Hakone Tozan Railway	Izuhakone Railway	Hieizan Railway

Trolleybuses

Chubu Region
Tateyama Kurobe Kanko

Freight Only Companies

Hokkaido	Tohoku Region	Kanto Region	Chubu Region
Taiheiyō Coal Services and Transportation	Akita Rinkai Railway	Kanagawa Rinkai Railway	Kinuura Rinkai Railway
	Fukushima Rinkai Railway	Keiyō Rinkai Railway	Nagoya Rinkai Railway
	Hachinohe Rinkai Railway		Seinō Railway
	Iwate Development Railway
	Sendai Rinkai Railway

Buses

Hokkaido	Tohoku Region	Kanto Region	Chubu Region	Kansai Region	Chugoku Region	Shikoku Region	Kyushu Region
Abashiri Bus	Aomori Prefecture	Ibaraki Prefecture	Niigata Prefecture	Ōsaka Prefecture	Tottori Prefecture	Tokushima Prefecture	Fukuoka Prefecture
Abashiri Kankō Kōtsū	Aomori City Transportation Division (Aomori City Bus)	Hitachi Dentetsu Transportation Service	Echigo Kōtsū	Hankyū Hanshin Holdings Group	Hinomaru Bus	Ichiba Kōtsū	Amagi Kankō Bus
Akan Bus	Hachinohe City Transportation Division (Hachinohe City Bus)	Ibaraki Kōtsū	⤷ Kita Echigo Kankō Bus	⤷ Hankyū Bus	⤷ Hinomaru Hire	Kotoden Group	Chikuhō Kankō Bus
Asahikawa Denki Kidō	Kokusai Kōgyō Group	Keisei Group	⤷ Minami Echigo Kankō Bus	⤷ ⤷ Hankyū Sight Seeing Bus	Nihon Kōtsū (Nikkō Bus)	⤷ Tokushima Seibu Kōtsū	Horikawa Bus
Atsuma Bus	⤷ Towada Kankō Dentetsu	⤷ Kanto Railway	Kubiki Motor	⤷ ⤷ Ōsaka Airport Transport	Tottori Jidōsha (Clover Bus)	Mima Kankō Bus	JR Group
Chitose Sōgo Kankō Bus	Kōnan Bus	⤷ ⤷ Kantetsu Green Bus	⤷ Itoigawa Bus	⤷ Hanshin Electric Railway		Nankai Group	⤷ JR Kyūshū Bus
Dōhoku Bus	Nanbu Bus	⤷ ⤷ Kantetsu Kanko Bus	⤷ Keihoku Kankō Bus	Hokkō Kankō Bus	Shimane Prefecture	⤷ Tokushima Bus	Kitakyūshū City Transportation Bureau (Kitakyūshū City Bus)
Dōnan Bus	Shimokita Kōtsū	⤷ ⤷ Kantetsu Purple Bus	⤷ Keinan Bus	JR Group	Hankyū Hanshin Holdings Group	⤷ ⤷ Shikoku Kōtsū	Nishitetsu Group
Engan Bus		Ōtone Kōtsū Motor	⤷ Kubikino Bus	⤷ West JR Bus	⤷ Iwami Kōtsū	⤷ ⤷ Tokushima Bus Anan	⤷ Kyūshū Kyūkō Bus
Furano Bus	Akita Prefecture		⤷ Tōkei Bus	Kintetsu Group	Ichibata Group	⤷ ⤷ Tokushima Bus Nanbu	⤷ Nishi-Nippon Railroad (Nishitetsu Bus)
Hakodate Bus	Akita Chuoukoutsu	Tochigi Prefecture	Niigata Kōtsū	⤷ Kintetsu Bus	⤷ Ichibata Bus	Tokushima City Transportation Bureau (Tokushima City Bus)	⤷ ⤷ Nishitetsu Bus Chikuhō
Hakodate Taxi (Hakodate Teisan Bus)	⤷ Akita Chuou Transport	Michinori Holdings	⤷ Niigata Kōtsū Kankō Bus	Kokusai Kōgyō Group	⤷ Izumo Ichibata Kōtsū		⤷ ⤷ Nishitetsu Bus Futsukaichi
Hiyama Kankō Bus	Kokusai Kōgyō Group	⤷ Kanto Transportation	⤷ Niigata Kōtsū Sado	⤷ Kokusai Kōgyō Ōsaka	⤷ Matsue Ichibata Kōtsū	Kagawa Prefecture	⤷ ⤷ Nishitetsu Bus Kitakyūshū
Hokkaido Chuo Bus	⤷ Shūhoku Bus	⤷ ⤷ Tōya Kōtsū	Tainai Kōtsū	Kongō Motor (Kongō Bus)	⤷ Oki Ichibata Kōtsū	JR Group	⤷ ⤷ Nishitetsu Bus Kurume
⤷ Niseko Bus	Ugo Kōtsū	Tobu Group		Kyōto Kyukō Bus	⤷ Okuizumo Kōtsū	⤷ JR Shikoku Bus	⤷ ⤷ Nishitetsu Bus Munakata
⤷ Sapporo Daiichi Kankō Bus		⤷ Nikkō Kōtsū	Toyama Prefecture	Mizuma Railway	Matsue City Traffic Office (Matsue City Bus)	Kotoden Group	⤷ ⤷ Nishitetsu Bus Ōmuta
⤷ Sorachi Chūō Bus	Iwate Prefecture	⤷ Tōbu Bus Nikkō	Dolphin Traffic	Nankai Group	Muikaichi Kōtsū	⤷ Kotoden Bus	⤷ ⤷ Nishitetsu Highway Bus
Hokkaidō Kitami Bus	Iwate Kenpoku Bus		Uozu Kotsu	⤷ Kansai Airport Transportation	Oki Ama Kōtsū	⤷ Shikoku Kousoku Bus	⤷ ⤷ Nishitetsu Kankō Bus
Hokkaidō Takushoku Bus	Iwate Kyūkō Bus	Gunma Prefecture	Kaiō Kōtsū	⤷ Nankai Bus	Oki Kankō	Kotohira Bus	Shōwa Bus
Hokumon Bus	Kokusai Kōgyō Group	Gunma Bus	Tateyama Kurobe Kankō	⤷ ⤷ Nankai Wing Bus Kanaoka	Susanoo Kankou	Kotosan Corporation (Kotosan Bus)	Taiyō Kōtsū
Hokuto Kōtsū	⤷ Iwatekenkōtsū	Gunma Chūō Bus	Toyama Chihō Railway	⤷ ⤷ Nankai Wing Bus Nanbu	Tanimoto Hire	Ōkawa Bus	Techno Kankō Bus
JR Group JR	⤷ Hayachine Bus	Jōshin Dentetsu	⤷ Toyama Chitetsu Hokuto Bus	Nihon Kōtsū	Yamato Kankō	Onigashima Kankō Jidōsha	Ukico
⤷ JR Hokkaidō Bus		Nagai Transportation (Jōshū Kankō Bus)	⤷ Kaetsunō Bus	⤷ Nikkō City Bus		Shōdoshima Bus
Kushiro Bus	Miyagi Prefecture	Nippon Chūō Bus		Nihonjō Taxi	Okayama Prefecture	Takamatsu Express (Foot Bus)	Saga Prefecture
Meishi Bus	Ayashi Kankō Bus	Tōbu Group	Ishikawa Prefecture	Osaka Bus	Arimoto Kankō Bus		Nishitetsu Group
Nemuro Kōtsū	Higashi Nippon Express	⤷ Kan-etsu Kōtsū	Meitetsu Group	Ōsaka Municipal Transportation Bureau (Ōsaka City Bus)	Chūtetsu Bus	Ehime Prefecture	⤷ Nishitetsu Bus Saga
Okushiri Kankō	JR Group	Vortex Ark	⤷ Hokuriku Railroad	⤷ Osaka Transportation Promotion	⤷ Chūtetsu Mimasaka Bus	Iyo Railway	Saga City Transportation Bureau (Saga Shiei Bus)
Sapporo Bankei	⤷ JR Bus Tōhoku	Yajima Tax	⤷ ⤷ Hokutetsu Kanazawa Bus	Takatsuki City Transportation Division	⤷ Sōja Bus (Chūtetsu Sōja Bus)	⤷ Iyotetsu Nanyo Bus	Yūtoku Motor
Shari Bus	Meitetsu Group		⤷ ⤷ Hokutetsu Noto Bus	Willer Express	Hinase Transportation (Bizen Bus)	Kounan Bus
Shibetsu Kidō	⤷ Miyagi Transportation	Saitama Prefecture	⤷ ⤷ Hokutetsu Okunoto Bus		⤷ Hokushin Bus	Setouchi Bus	Nagasaki Prefecture
Sōya Bus	⤷ Miyakō Bus	Chichibu Railway Sightseeing Bus	⤷ ⤷ Kaga Hakusan Bus	Kyōto Prefecture	Kamo Kankō Bus	⤷ Setouchi Shūsō Bus	Gotō Motor (Gotō Bus)
Tentetsu Bus	Sendai City Transportation Bureau (Sendai City Bus)	Daiwa Kankō Bus	⤷ ⤷ Kaga Onsen Bus	Chūkyō Kōtsū	Katsumada Kankō Bus	⤷ Setonaikai Kōtsū	Iki Kōtsū
Tokachi Bus	Tōhoku Kyūkō Bus	Eagle Bus	⤷ ⤷ Komatsu Bus	Hankyū Hanshin Holdings Group	Minagi Kōtsū	Setouchi Shimanami Leading	Ikitsuki Motor (Ikitsuki Bus)
Tōkyū Group		Hokuto Kōtsū	Notojima Kōtsū	⤷ Tango Kairiku Kōtsū	Rose Kankoh (Rose Bus)	Uwajima Bus	Maruhama Sangyō (Narujima Bus)
⤷ Jōtetsu	Yamagata Prefecture	Iijima Kōgyō		Keihan Group	Ryōbi Holdings (Ryōbi Bus)		Nagasaki Motor Bus (Nagasaki Bus)
Yūbari Railway (Yūtetsu Bus)	Asahi Kōtsū	Japan Tarō's	Fukui Prefecture	⤷ Keihan Bus	⤷ Ikasa Bus Company	Kōchi Prefecture	⤷ Saikai Kōtsū
	Atsumi Kōtsū	Kyōdō Kankō Bus	Keihan Group	⤷ ⤷ Keihan City Bus	⤷ Okayama Electric Tramway (Okaden Bus)	Kōch Ekimae Kankō	Ojika Kōtsū
	Mogamigawa Koutsuu	Life Bus	⤷ Keifuku Bus	⤷ ⤷ Keihan Kyōto Kōtsū	⤷ Okayama Kōtsū	Kōnan Kankō Jidōsha	Ōkawa Rikuun (Hirado Kankō Bus)
	⤷ Shōnai Kōtsū	Mētō Kankō	Meitetsu Group	⤷ ⤷ Keihan Uji Bus	⤷ Okayama Taxi	Kuroiwa Kankō	Saihi Motor (Saihi Bus)
	Shōnai Kōtsū Kankō Bus Hire	Musashi Kankō	⤷ Fukui Railway	Kyōto Bus	⤷ Tōbi Bus	Reihoku Kankō Zidōsha	Sasebo City Transportation Bureau (Sasebo City Bus)
	Yamakō Bus	My Sky Kōtsū	Yamato Kōtsū	Kyōto Kōtsū	Shimotsui Dentetsu (Shimoden Bus)	Tosaden Kōtsū	⤷ Sasebo Bus
	Yuza Kōtsū	Seibu Group		Kyōto Municipal Transportation Bureau (Kyōto City Bus)	⤷ Bihoku Bus	⤷ Kenkō Hokubu Kōtsū	Shimabara Railway (Shimatetsu Bus)
		⤷ Seibu Bus	Gifu Prefecture	Yasaka Bus	⤷Shimoden Tour Service	⤷ Kōchi Kōryō Kōtsū	Transportation Bureau of Nagasaki Prefecture (Nagasaki Ken-ei Bus)
	Fukushima Prefecture	⤷ Seibu Kankō Bus	Heiwa Corporation		Toyosawa Kōtsū	⤷ Kōchi Seinan Kōtsū	⤷ Nagasaki Ken-ou Bus
	Aizu Bus	Tōbu Group	Meitetsu Group	Hyōgo Prefecture	Uno Bus	⤷ Kōchi Tōbu Kōtsū	Tsushima Kōtsū
	Bandai Tōto Bus	⤷ Asahi Motor	⤷ Gifu Bus	Amagasaki City Transportation Bureau (Amagasaki City Bus)			Uku Kankō Bus
	Fukushima Transportation	⤷ Ibakyū Motor	⤷ ⤷ Gifu Bus Community	⤷ Amagasaki Transportation Business Promotion	Hiroshima Prefecture		YOKARO YOKARO
	Sakura Kōtsū	⤷ Kawagoe Motor	⤷ ⤷ Gifu Bus Community Hachiman	Awaji Kōtsū	Angel Cab
	Shin Jōban Kōtsū	⤷ Kokusai Jūō	⤷ ⤷ Gifu Bus Kankou	Awaji Taxi	Anzen Taxi		Kumamoto Prefecture
		⤷ Tōbu Bus West	⤷ Kita Ena Kōtsū	Hakuro Taxi	Chiyoda Taxi		Kyūshū Sankō Bus
			⤷ Nōhi Noriai Jidōsha (Nōhi Bus)	Hankyū Hanshin Holdings Group	Chūgoku Bus		⤷ Sankō Bus
		Chiba Prefecture	Tohnoh Tetsudou (Tohtetsu Bus)	⤷ Hankyū Denen Bus	Daiichi Taxi		Kumamoto Electric Railway
		Be-Transse Group		⤷ Hanshin Bus	Hamadaya Taxi		Kumamoto Toshi Bus
		⤷ Aska Kōtsū	Nagano Prefecture	⤷ Rokkō Maya Railway	Hiroshima Bus		Kumamoto Bus
		⤷ Heiwa Kōtsū	Chikuma Bus	⤷ Shintetsu Bus	Hiroshima Electric Railway (Hiroden Bus)
		Keisei Group	Chūō Alps Kankō	Honshi Kaikyou Bus	⤷ Bihoku Kōtsū		Ōita Prefecture
		⤷ Chiba Kōtsū	Ina Bus 伊那バス	Itami City Transportation Bureau (Itami City Bus)	⤷ Geiyō Bus		Nishitetsu Group
		⤷ Chibakō Taxi (Chibakō Bus)	Kanden Amenix (Kita Alps Kōtsū)	Kōbe Ferry Bus	⤷ HD Nishi Hiroshima (Bon-Bus)		⤷ Hita Bus
		⤷ Chiba Chūō Bus	Matsumoto Electric Railway (Matsumoto Dentetsu Bus)	Kōbe Municipal Transportation Bureau (Kōbe City Bus)	Hiroshima Kōtsū		⤷ Kamenoi Bus
		⤷ Chiba City Bus	⤷ Alpico Highland Bus	⤷ Kōbe City Transportation Promotion	⤷ Hirokō Kankō		Ōita Bus
		⤷ Chiba Flower Bus	⤷ Kawanakajima Bus	Minato Kankō Bus (Kōbe)	Honshi Bus Kaihatsu		⤷ Kyūshin Kōtsū
		⤷ Chiba Green Bus	⤷ Suwa Bus	Minato Kankō Bus (Minamiawaji)	Innoshima Unyu (Innoshima Bus)		⤷ Ōno Kōtsū
		⤷ Chiba Kaihin Kōtsū	Nagaden Bus	Sanyō Group	Iwami Tour		⤷ Takeda Kōtsū
		⤷ Chiba Nairiku Bus	Ontake Kōtsū	Sanyō Bus	JR Group		Ōita Kōtsū
		⤷ Chiba Rainbow Bus	Seibu Group	Shinki Bus	⤷ Chūgoku JR Bus		⤷ Daikō Hokubu Bus
		⤷ Hokusō Kōtsū	⤷ Seibu Kōgen Bus	⤷ Shinki Green Bus	Jūban Kōtsū		⤷ Kunisaki Kankō Bus
		⤷ Keisei Bus	Shinnan Koutsu	⤷ Shinki Zone Bus	Kake Kōtsū		⤷ Kusu Kankō Bus
		⤷ Keisei Bus System	Syoei Kōsoku Unyu (Dot Com Liner)	⤷ West Shinki	Mibu Kōtsū
		⤷ Keisei Transit Bus	Travis Japan (Hana Bus Kankō)	Zentan Bus	Miyajima Kōtsū		Miyazaki Prefecture
		⤷ Kujūkuri Railway	Kusakaru Kōtsū		Nōmi Bus		Hakkō Travel
		⤷ ⤷ Kominato Railway	⤷ Ueda Bus	Nara Prefecture	Ōasa Kōtsū (Hope Bus)		Iwasaki Group
		⤷ Narita Airport Transport		Kintetsu Group	Onomichi Bus		⤷ Sanshū Motor
		⤷ Sakura Kōtsū	Yamanashi Prefecture	⤷ Nara Kōtsū	Ōtake Kōtsū Taxi		Sun Marine Tour
		⤷ Tōkyō Bay City Kōtsū	Fujikyū Group	⤷ ⤷ NC Bus	Ōtake Taxi		Miyazaki Kōtsū
		Nittō Kōtsū	⤷ Fuji Kyūkō	Yoshino Ōmine Kēburu Bus	Saijō Kōtsū (Rainbow Bus)		Yamaguchi Transportation (Mito Kankō Bus)
		⤷ Amaha Nittō Bus	⤷ Fujikyū Heiwa Kankō		Saiki Kōtsū
		⤷ Kamogawa Nittō Bus	⤷ Fujikyū Yamanashi Bus	Shiga Prefecture	Sandankyō Kōtsū		Kagoshima Prefecture
		⤷ Tateyama Nittō Bus	Kokusai Kōgyō Group	Keihan Group	Sanyō Bus		A" Line
		Tōbu Group	⤷ Yamanashi Kōtsū	⤷ Kojak Kōtsū (Kojak Bus)	Sasaki Kankō		Daiwa Bus
		⤷ Bandō Bus	⤷ ⤷ Yamakō Town Coach	Seibu Group	Setouchi Sankō		Iwasaki Group
		⤷ Tōbu Bus East	⤷ ⤷ Yamanashi Kashikiri Taxi	⤷ Ohmi Railway	Shōwa Taxi		⤷ Amami Iwasaki Sangyō
		Tōyō Bus		⤷ ⤷ Kokoku Bus	SK Corporation		⤷ Iwasaki Bus Network
		⤷ Chiba Seaside Bus	Shizuoka Prefecture	Shiga Agent System	Tomotetsudō (Tomotetsu Bus)		⤷ Kagoshima Kōtsū
			Ensyū Railway (Entetsu Bus)	Shiga Kōtsū	Toyohira Kōtsū		⤷ Tanegashima Yakushima Kōtsū
		Tokyo Metropolis	⤷ Akiha Bus Service	⤷ Shiga Bus	Tsuda Kōtsū		Kagoshima City Transportation Bureau (Kagoshima City Bus)
		Airport Transport Service	⤷ Kakegawa Bus Service	Teisan Group	Yae Taxi		Kakeroma Bus
		Daishintō	Fujikyū Group	⤷ Teisan Kankō Bus Shiga	Yaguchi Taxi		Michinoshima Kōtsū
		Fujikyū Group	⤷ Fujikyū City Bus	⤷ Teisan Konan Kōtsū	Yasuura Kōtsū		Minami Kyūshū Kankō Bus
		⤷ Fuji Express	⤷ Fujikyū Shizuoka Bus	⤷ Teisan Taxi Shiga			Minami Rikuun (Minami Bus)
		Hachijō Town Public Enterprise Division Transportation Section (Hachijō Town Bus)	Odakyū Group	Yogo Bus	Yamaguchi Prefecture		Nangoku Kōtsū
		Hato Bus	⤷ Tōkai Bus		Funaki Railway (Sentetsu Bus)		Okinoerabu Bus Enterprises (Oki Bus)
		Hinomaru Limousine	⤷ ⤷ Izu Tōkai Bus	Wakayama Prefecture	Iwakuni Bus		Satsumasendai City Industrial Economy Division Commerce And Industry Promotion Section (Satsumasendai City Bus)
		⤷ HMC Tokyo	⤷ ⤷ Minami Izu Tōkai Bus	Arida Kōtsū	Kintetsu Group		Tokunoshima Sōgō Rikuun (Sōgō Bus)
		Hitachi Jidōsha Kōtsū	⤷ ⤷ Naka Izu Tōkai Bus	Arida Railway	⤷ Bōchō Kōtsū (Bōchō Bus)
		JR East Group	⤷ ⤷ Nishi Izu Tōkai Bus	Chūki Bus	Sanden Kōtsū		Okinawa Prefecture
		⤷ JR Bus Kantō	⤷ ⤷ Numazu Tozan Tōkai Bus	Daijyū Bus	⤷ Blue Line Kōtsū		Azuma Un'yu (Azuma Bus)
		⤷ ⤷ JR Bus Tech	⤷ ⤷ Shin Tōkai Bus	Kintetsu Group	Ube City Transportation Bureau (Ube City Bus)		Hokubu Kankō Bus
		Kantō Bus	Hamamatsu Bus	⤷ Meikō Bus			Iejima Kankō Bus
		Keikyū Group	Meitetsu Group	Kōyasan Taxi			Iriomotejima Kōtsū
		⤷ Keihin Kyūkō Bus	⤷ Ōigawa Railway (Daitetsu Bus)	Kumano Kōtsū			Karry Kankō
		⤷ ⤷ Haneda Keikyū Bus	Seibu Group	Nankai Group			Kohama Kōtsū
		Keiō Group	⤷ Izu Hakone Bus	⤷ Gobō Nankai Bus			Kyōwa Bus
		⤷ Keiō Dentetsu Bus	Shizutetsu Justline	⤷ Nankai Rinkan Bus			Miyako Kyōei Bus
		⤷ ⤷ Keiō Bus Chūō		⤷ Wakayama Bus			Naha Bus
		⤷ ⤷ Keiō Bus Higashi	Aichi Prefecture	⤷ ⤷ Wakayama Bus Naga			Okinawa Bus
		⤷ ⤷ Keiō Bus Koganei	Aoi Kōtsū	Ryūjin Jidōsha			Ryūkyū Bus Kōtsū
		⤷ ⤷ Keiō Bus Minami	Hōei Kōtsū	Susami Kôtû			Tōyō Bus
		⤷ Nishi Tōkyō Bus	JR Group				Yachiyo Bus Taxi
		Keisei Group	⤷ JR Tōkai Bus				Yonaguni Kōtsū
		⤷ Keisei Bus	Kintetsu Group
		⤷ Keisei Town Bus	⤷ Meihan Kintetsu Bus
		km Group	Meitetsu Group
		⤷ km Kankō Bus	⤷ Chita Noriai (Chita Bus)
		Kokusai Kōgyō Group	⤷ Meitetsu Bus
		⤷ Kokusai Kōgyō Bus	⤷ ⤷ Meitetsu Bus Chūbu
		Miyake Village Public Enterprise Division Transportation Sector (Miyake Village Bus)	⤷ ⤷ Meitetsu Bus Tōbu
		Odakyū Group	⤷ ⤷ Meitetsu Kankō Bus
		⤷ Odakyū Bus	⤷ Toyotetsu Bus
		⤷ ⤷ Odakyū City Bus	Transportation Bureau City of Nagoya (Nagoya City Bus)
		⤷ Odakyū Hakone Highway Bus
		⤷ Tachikawa Bus	Mie Prefecture
		⤷ ⤷ City Bus Tachikawa	Sangi Railway (Sangi Bus)
		Ogasawara Village Industry And Tourism Division (Ogasawara Village Bus)	Chūnichi Rinkai Bus
		Ōshima Ryokaku Motor (Ōshima Bus)	Kintetsu Group
		Seibu Group	⤷ Mie Kōtsū (Sanco Bus)
		⤷ Seibu Motor	⤷ ⤷ Happū Bus
		Shinnihon Sightseeing Bus	⤷ ⤷ Mie Kyūkō Motor
		Tōbu Group	⤷ ⤷ Sanco Ise Shima Kōtsū
		⤷ Tōbu Bus Central	⤷ ⤷ Sanco Nanki Kōtsū
		⤷ Tōhoku Kyūkō Bus
		Tōkyō Metropolitan Bureau of Transportation (Toei Bus)
		Tōkyū Group
		⤷ Tōkyū Bus
		⤷ Tōkyū Transsés

		Kanagawa Prefecture
		Fujikyū Group
		⤷ Fujikyū Shōnan Bus
		Kawasaki City Transportation Bureau (Kawasaki City Bus)
		Keikyū Group
		⤷ Kawasaki Tsurumi Rinkō Bus
		⤷ Shōnan Keikyū Bus
		⤷ Yokohama Keikyū Bus
		Odakyū Group
		⤷ Enoshima Electric Railway
		⤷ ⤷ Enoden Bus
		⤷ Hakone Tozan Bus
		⤷ Kanagawa Chūō Kōtsū
		⤷ ⤷ Fujisawa Kanakō Bus
		⤷ ⤷ Sagami Kanakō Bus
		⤷ ⤷ Shōnan Kanakō Bus
		⤷ ⤷ Tsukui Kanakō Bus
		⤷ ⤷ Yokohama Kanakō Bus
		Sōtetsu Group
		⤷ Sōtetsu Bus
		Tōkyō Bay Service
		Yokohama City Transportation Bureau (Yokohama City Bus)
		⤷ Yokohama Traffic Development