Toei June Low Priced. Just a quick list with bad romaji, I'm out of time, gomenne.
Nippon senbotsu gakusei no shuki kike, wadatsumi no koe (日本戦歿学生の手記 きけ、わだつみの声) (1950)
Himeyuri no Tô ((ひめゆりの塔)) (1953)
Bei (米) (1957)
Jun'ai monogatari (純愛物語) (1957)
Ten to sen (点と線) (1958)
Ôinaru tabiji (大いなる旅路) (1960)
Arega minato no hi da (あれが港の灯だ) (1961)
Oushou (王将) (1962)
Kaigun (海軍) 1963)
Bushidô zankoku monogatari (Cruel Tales of Bushido) (武士道残酷物語) (1963)
Rikugun zangyaku monogatari (陸軍残虐物語) (1963)
Nippon dorobô monogatari (にっぽん泥棒物語) (1965)
Kiga kaikyô (A Fugitive from the Past) (飢餓海峡)(1965)
 dôki no sakura (Diaries of the Kamikaze) (あゝ同期の桜) (1967)
 yokaren (あゝ予科練) (1968)
Ningen gyorai a kaiten tokubetsu kogeki tai (人間魚雷 あゝ回天特別攻撃隊) (1968)
Saigo no tokkotai (最後の特攻隊) (The Last Kamikaze) (1970)
 kessen kôkûtai (Father of the Kamikaze) (あヽ決戦航空隊) (1974)
Shinkansen daibakuha (Bullet Train) (新幹線大爆破) (1975)
203 kochi (二百三高地) (1980)
Dai Nippon teikoku (大日本帝国) (1982)
Manji (卍(まんじ)) (1983)
Shiro hebi shou (白蛇抄) (1983)
Nihonkai daikaisen: Umi yukaba (日本海大海戦 海ゆかば) (1983)
Kita no hotaru (Fireflies of the North) (北の螢) (1984)
Ma no toki (魔の刻 (とき)) ((1985))
Keshin (化身) (1986)
Abunai deka (あぶない刑事) (1987)
Mata mata abunai deka (またまたあぶない刑事) (1988)
Motto mo abunai deka (もっともあぶない刑事) (1989)
Be-Bop High School (ビー・バップ・ハイスクール) (1985)
Be-Bop High School: Koukou yotarou aika (ビー・バップ・ハイスクール: 高校与太郎哀歌) (1986)
Be-Bop High School: Koukou yotarou koushin kyoku (ビー・バップ・ハイスクール: 高校与太郎行進曲) (1987)
Be-Bop High School: Koukou yotarou kyoshou kyoku (ビー・バップ・ハイスクール: 高校与太郎狂騒曲) (1987)
Be-Bop High School: Koukou yotarou kanketsu hen (ビー・バップ・ハイスクール: 高校与太郎完結篇) (1988)
Be-Bop High School: Koukou yotarou ondo (ビー・バップ・ハイスクール: 高校与太郎音頭) (1988)
Nihon kyokaku-den (日本侠客伝) (1964)
Nihon kyokaku-den: Naniwa-hen (日本侠客伝 浪花篇) (1965)
Nihon kyokaku-den: Kanto-hen (日本侠客伝 関東篇) (1965)
Nihon kyokaku-den: Ketto Kanda-matsuri (日本侠客伝 血斗神田祭り) (1966)
Nihon kyokaku-den: Kaminari-mon no Ketto (日本侠客伝 雷門の決斗) (1966)
Nihon kyokaku-den: Shiraha no Sakazuki (日本侠客伝 白刃の盃) (1967)
Nihon kyokaku-den: Kirikomi (日本侠客伝 斬り込み) (1967)
Nihon kyokaku-den: Zetsuen-jo (日本侠客伝 絶縁状) (1968)
Nihon kyokaku-den: Hana to Ryu (日本侠客伝 花と龍) (1969)
Nihon kyokaku-den: Nobori-ryu (日本侠客伝 昇り龍) (1970)
Nihon kyokaku-den: Dosu (日本侠客伝 刃) (1971)
More info about the Nihon kyokaku-den series
http://www.toei-video.co.jp/DVD/sp21/kyokakuden.html
http://www.weirdwildrealm.com/f-nihonkyokakuden.html
http://adg.invisionzone.com/index.php?showtopic=95
+ new films (Go, Akihabara @ Deep, Hair Extensions, Kike wadatsumi no koe Last Friends, Dear Friends (2007), Sakura no ki no shita de (1989), TANNKA (2006), Rock'n'Roll Mishin (2002)) that do not belong to this topic.
This batch contains mostly movies that are not well known outside Japan. Nihon kyokaku-den series is an easy pick for anyone interested in classic yakuza cinema. There's also several war movies (Â dôki no sakura, Â yokaren, Saigo no tokkotai etc.) with all star casts, and some other famous classics like Tomu Uchida's Fugitive from the Past and Hideo Gosha's Fireflies of the North.