About us | History |Organization | Office list |

Headquarter MinamiAzabu 1-18-4, Minato, Tokyo zip 106-8567   Research Laboratory Gohnaka 2801-1, Miho, Inashiki, Ibaraki zip 300-0420   Machining Center Shimadadai 1222, Yachiyo, Chiba zip 276-0004 Tohoku Branch OhkiAoba Bld. 5F, Futsukamachi 9-7, Aoba, Sendai, Miyagi zip 980-0802   Aomori Office Sawabe 306-19, San-nai, Aomori, Aomori zip 038-0031     Aomori Asphalt Plant Sawabe 306-19, San-nai, Aomori, Aomori zip 038-0031     Namioka Suboffice HigashiTomita 59, Mejikazawa, Namioka, Aomori, Aomori zip 038-1331     Hirosaki Suboffice MiyaParesu C-102, Takada, Hirosaki, Aomori zip 036-8084   Morioka Office Hiromiyasawa 10-518-2, Yahaba, Shiwa, Iwate zip 028-3621   Iwate Office Nitta 64-1, Ohfnato, Ohfunato, Iwate zip 022-0002     Ohfunato Asphalt Plant Oh-hatano 85-1, Tatsukonchoh, Ohfunato, Iwate zip 022-0006   Miyagi Office Kiriharai 1-80, Taiwa, Kurokawa, Miyagi zip 981-3411     Sendai Asphalt Plant Kiriharai 1-80, Taiwa, Kurokawa, Miyagi zip 981-3411   Yamagata Office HigashiYamagata 2-4-34 B202, Yamagata, Yamagata zip 990-0022   Tsuruoka Office Nakano 54, Daihohji, Tsuruoka, Yamagata zip 997-0117     Tsuruoka Asphalt Plant Nakano 54, Daihohji, Tsuruoka, Yamagata zip 997-0117     Fujishima Suboffice Mushamen 17-7, Yanakuse, Fujishima, HigashiTagawa, Yamagata zip 999-7672   Kaneyama Office Yamazaki 802, Kaneyama, Mogami, Yamagata zip 999-5406     Shinjoh Asphalt Plant Torigoe 1780-30, Shinjoh, Yamagata zip 996-0041     Shinjoh Suboffice Tohkamachi 2760-1, Shinjoh, Yamagata zip 996-0091   Fukushima Office Kanagome 49-1, Gohnome, Fukushima, Fukushima zip 960-8161   Ishikawa Office Nagakubo 284, Ishikawa, Ishikawa, Fukushima zip 963-7846     Ishikawa Asphalt Plant Nagakubo 284, Ishikawa, Ishikawa, Fukushima zip 963-7846 Kantoh Branch MinamiAzabu 1-18-4, Minato, Tokyo zip 106-8567   Saitama Office Ohyaguchi 718, Midori, Saitama, Saitama zip 336-0934   Itako Office Shimasu 2540-3, Itako, Ibaraki zip 311-2434   Tochigi Office Kamikohnushi 434, KamiMikawa, Kawachi, Tochigi zip 329-0527   Ibaraki Office Kubo 807-131, Enokido, Tsukuba, Ibaraki zip 305-0853     Edosaki Asphalt Plant Hanasashi 259-3, Sudachi, Inashiki, Ibaraki zip 300-0521     Miho Suboffice Gohnaka 2801-1, Miho, Inashiki, Ibaraki zip 300-0420     KitaIbaraki Suboffice Usuba 461-3, Hanakawa, KitaIbaraki, Ibaraki zip 319-1535   Chiba Office Suehiro 5-12-14, Chuh-oh, Chiba, Chiba zip 260-0843 Kashiwa Suboffice Iriyatsu 6-59, Wakashiba, Kashiwa, Chiba zip 277-0871   Tokyo Office MinamiKasai 3-15-30, Edogawa, Tokyo zip 134-0085   Tokyo Chuh-oh Office Hayashi Bld. 2F, Kotenmacho 10-8, Nihonbashi, Chuh-oh, Tokyo zip 103-0001   Yokohama Office Saedomachi 432, Tsuzuki, Yokohama, Kanagawa zip 224-0054   Tama Office Shinkoji 2-1-1, Machida, Tokyo zip 195-0057     Machida Asphalt Plant Shinkoji 2-1-1, Machida, Tokyo zip 195-0057   Sapporo Office Kita-31-jyo 16-2-2, Higashi, Sapporo, Hokkaido zip 065-0031     Yokohama Asphalt Plant Megurochoh 3-6-2, Seya, Yokohama, Kanagawa zip 246-0007     Samukawa Asphalt Plant Tabata 1577, Samukawa, Kohza, Kanagawa zip 253-0114 Public Utilities Branch MinamiAzabu 1-18-4, Minato, Tokyo zip 106-8567   Nansei Office MinamiAzabu 1-18-4, Minato, Tokyo zip 106-8567   Hokutoh Office Takasu 1-53, Misato, Saitama zip 341-0037   kanagawa Office Saedo 432, Tsuzuki, Yokohama, Kanagawa   Misato Office Takasu 1-53, Misato, Saitama zip 341-0037   Setagaya Office Izumi 2-16-30, Komae, Tokyo zip 201-0014 Hokuriku Branch Oh-izumimachi 1-1-10, Toyama, Toyama zip 939-8087   Toyama Office KamiKutsuwada 431-1, Fuchuhmachi, Toyama, Toyama zip 939-2713     Toyama Asphalt Plant KamiKutsuwada 82, Fuchuhmachi, Toyama, Toyama zip 939-2713     Uozu Suboffice Hongohshinmachi 1-5, Uozu, Toyama zip 937-0803     Nyuhzen Suboffice Araya 3363-2, Nyuhzenmachi, ShimoNiikawa, Toyama zip 939-0637   Tonami Office Miyamura 252-1, Tonami, Toyama zip 939-1306     Fukumitsu Asphalt Plant Yomegane 409, Nanto, Toyama zip 939-1754     Kanazawa Suboffice Hirooka 2-7-31, Kanazawa, Ishikawa zip 920-0031   Niigata Office NishiboriSeirankan 7F, Yonbanchoh 259-58, Nishiboridohri, Niigata, Niigata zip 951-8061     Kariwa Suboffice Kamitakamachi Kinoe 43, Kariwa, Kariwa, Niigata zip 945-0315 Chuhbu Branch TTendohchoh 3-15, Kita, Nagoya, Aichi zip 462-0034   Hagiwara Office Nogami 1725-2, Hagiwara, Gero, Gifu zip 509-2507     Hagiwara Asphalt Plant Nogami 1725-2, Hagiwara, Gero, Gifu zip 509-2507     Gifu Suboffice Yoshinomachi 6-14, Gifu, Gifu zip 500-8844     Takayama Suboffice NishinoIsshikimachi 3-1792-1, Takayama, Gifu zip 506-0031   OwariKomaki Office Nagata 832, Shimozue, Komaki, Aichi zip 485-0825     Komaki Asphalt Plant Nagata 832, Shimozue, Komaki, Aichi zip 485-0825   Shizuoka Office Honjo 1634-15, Kikugawa, Shizuoka zip 439-0018     Omaezaki Asphalt Plant Hamasaka 2038-1, Hiki, Omaezaki, Shizuoka zip 437-1602     Shizuoka Suboffice Kuroganechoh, Aoi, Shizuoka, Shizuoka zip 420-0851     Hamamatsu Suboffice Takaokanishi 2-30-20, Hamamatsu, Shizuoka zip 433-8118     Omaezaki Suboffice Ikeshinden 9043-35, Omaezaki, Shizuoka zip 437-1612   Mikawa Office NishiKanbasakiMinamigawa 53, Oka-choh, Okazaki, Aichi zip 444-0005     Kohta Asphalt Plant Kajiyama 5, Ashinoya, Kohta, Nukada, Aichi zip 444-0116     Kohta Suboffice Kajiyama 5, Ashinoya, Kohta, Nukada, Aichi zip 444-0116     Gamagohri Suboffice NishiOyashiki 55, Katahara, Gamagohri, Aichi zip 443-0104   Aichi Office Goh 83-1, Azabu, Miyoshi-choh, Kamo, Aichi zip 470-0206   Mie Office NishiHino 57, Yokkaichi, Mie zip 510-0943   Nagano Office Nakata 4298-1, Shimauchi, Matsumoto, Nagano zip 390-0851 Kinki Branch Kitahama 1-3-14, Chu-oh, Osaka, Osaka zip 541-0041   Hyohgo Office Unouchi 2318-7, Aimoto, Mita, Hyohgo zip 669-1358     Kohbe Suboffice Okamoto 1-4-17, HigashiNada, Kobe, Hyogo zip 658-0072   MinamiOsaka Office Hineno 7222, IzumiSano, Osaka zip 598-0021     Nara Suboffice Shibatsujichoh 4-1-9, Nara, Nara zip 630-8114   HigashiOsaka Office NagataNishi 4-2-29, Osaka, Osaka zip 577-0016 Chuhgoku Branch Ohtemachi 1-1-23, Naka, Hiroshima, Hiroshima zip 730-0051   Hiroshima Office Hera 1-18-13, Hatsukaichi, Hiroshima zip 738-0025     Shimane Suboffice Iida 103-1, Daitoh-cho, Unnan, Shimane zip 699-1221   Yamaguchi Office Kawamukoh 582-4, Yoshiwa, Ube, Yamaguchi zip 759-0134   Shikoku Office Kasugachoh 1640-4, Takamatsu, Kagawa zip 761-0101 Kyuhshu Branch Kego 1-15-6, Chuh-oh, Fukuoka, Fukuoka zip 810-0023   Fukuoka Office Misaki 2-18-4, Shinguh, Kasuya, Fukuoka zip 811-0121     Kumamoto Suboffice Motoyama 1-5-5, Kumamoto, Kumamoto zip 860-0821     KitaKyushu Suboffice Kokura-Kohsan-KMM-Nishikan, Asano 2-8-4, Kita, KitaKyushu, Fukuoka   Nagasaki Office Inasamachi 18-10, Nagasaki, Nagasaki zip 852-8011   Okinawa Office Maehara 3-20-16, Ginowan, Okinawa zip 901-2215