Main business partners
Relationship of mutual TRUST supports Yamada Sangyo as the basis.
ASAHI AGRIA CO., LTD.
Acids Co., Ltd.
ASO SHOJI CO.,LTD
ASO CEMENT Co., Ltd.
ISHIHARA TECHNO CORPORATION
Ueda Lime Manufacturing Co.,Ltd
UBE SAND INDUSTRIES,LTD.
Ube Material Industries, Ltd.
A&A Material Corporation
Eco-port kyusyu.co,.ltd.
NBL Co., Ltd.
ENEOS Corporation
OMI MINING Co.,LTD.
Kashima-kita Electric Power Corporation
Katakura & Co-op Agri Corporation
KANEKA CORPORATION
KAWAI LIME INDUSTRY CO., LTD.
Environmental Techno Services Co.,Ltd.
Kanden Power-Tech Corporation
KYUDEN SANGYO.CO.,INC
KYOEI STEEL LTD.
KURARAY CO.,LTD
Kobe Steel, Ltd.
KOWA SEIKO CO.,LTD
Konishiyasu Co., Ltd.
Sakai Chemical Industry Co.,Ltd.
Shisaka Smelting Co.,Ltd.
Shimonoseki Mitsui Chemicals, Inc.
Showa Kako Corp.
JFE MINERAL COMPANY, LTD.
Giptek Co,Ltd.
JAPAN PILE CORPORATION
Sumitomo Osaka Cement Co.,Ltd.
SUMITOMO JOINT ELECTRIC POWER CO.,LTD.
Sumitomo Metal Mining Co., Ltd.
Central Glass Co., Ltd.
Soma Energy Park LLC.
TAIHEIYO CEMENT CORPORATION
TAIHEIYO MATERIALS CORPORATION
TAIYO KOKO Co., LTD.
TAKI CORPORATION
Dia Chemical Co.,Ltd.
DIASALT CORPORATION
CHUDEN KANKYO TECHNOS CO., LTD.
Chubu Electric Power Company,Incorporated
CHIYODA UTE Co.,Ltd.
Chiyoda Cera Co., Ltd.
TAYCA CORPORATION
TEIJIN LIMITED
DC CO.,LTD.
Denka Company Limited
EPDC Coal Tech and Marine Co., Ltd.
TOA OIL CO., LTD.
TOSOH SILICA CORPORATION
TOHPE CORPORATION
Toho Zinc Co., Ltd.
TOHOKU TOSOH CHEMICAL CO.,LTD
Tokuyama Corporation
OSAKA GAS CO.,LTD
NISHINOKINRYO CORP.
Nittetsu Mining CO., Ltd.
NIPPON STEEL BLAST FURNACE SLAG CEMENT CO.,LTD
NIPPON STEEL SLAG PRODUCTS CO.,LTD.
NIPPON STEEL CEMENT CO.,LTD.
NIPPO CORPORATION
NIPPON COKE & ENGINEERING COMPANY,LIMITED
NIPPON STEEL CORPORATION
Nisshin Steel Co., Ltd.
Nippon Mesalite Industry Co., Ltd.
Pan Pacific Copper Co., Ltd.
Fuji Titanium Industry Co., Ltd.
Furukawa Co., Ltd.
Fuwa Metal Co., Ltd.
Fuwa Metal Co., Ltd.
Miike Karyoku Hatsuden K.K.
Mitsui Mining & Smelting Co., Ltd
Mitsui Mining Co., Ltd.
Mitsui & Co., Ltd.
Mitsubishi Kagaku Media Co.,Ltd.
Mitsubishi Corporation
Mitsubishi Materials
Energy Corporation
Morita Chemical Industries Co., Ltd.
Yoshino Gypsum Hanbai Co., Ltd.
Yonden Business Co., Inc.
Asahi Industries Co., Ltd.
Lafarge Aso Cement Co., Ltd.
Ishida Co., Ltd.
Ichihara Eco-cement Company
Ube Industries, Ltd.
Ube Material Industries, Ltd.
Ube-Mitsubishi CementCorporation
A&A Material Corporation
Katakura Chikkarin Co., Ltd.
Kawai Lime Industry Co., Ltd.
Konoshima Chemicals, Inc.
Co-op Chemical Co., Ltd.
Konishiyasu Co., Ltd.
Sankei Gypsum K.K.
Sanno ceramics K.K.
Japan Pile Corporation
Japan Pile Corporation
Kyoka Yoshino Gypsum Co., Ltd.
Shinsei Funen Board K.K.
Nippon Steel Esment Kanto Corporation
Nippon Steel Blast-Furnace Slag Cement Co., Ltd.
Nippon Steel Blast-Furnace Slag Cement Co., Ltd.
Sumitomo Osaka Cement Co., Ltd.
Sumitomo Metal Industries, Ltd.
Sumitomo Metal Mining Co., Ltd.
Sumitomo Shoji Chemicals Co., Ltd.
Daicel Aboshi Sangyo Co., Ltd.
Taiheiyo Cement Corporation
Taki Corporation
Chichibu Lime Industry Co., Ltd.
Chichibu Lime Industry Co., Ltd.
Chiba Riverment and Cement Corp.
DC Co., Ltd.
Denki Kagaku Kogyo
Kabushiki Kaisha Chiyoda Ute Co., Ltd.
Telnite Co., Ltd.
Tokuyama Corporation
K.K. Tokura
Nagoya Esment K.K.
Nittetsu Mining Co., Ltd.
Nippo Corporation Nihon Boka Lite Kogyo K.K.
Noritake Co., Limited
HAGIHARA & Co., Ltd.
Futase Yougyou Co., Ltd.
Maruai-Lime Corporation
Marukome Co., Ltd.
Mitsui Mining Cement Ltd.
Mitsui & Co., Ltd.
Mitsubishi Corporation
Mitsubishi Materials Corporation
Murakashi Lime Industry Co., Ltd.
Yoshino Gypsum Co., Ltd.
Ryoko Lime Industry Co., Ltd.
Wakayama Blast-Furnace Slag Cement Co., Ltd.