| 1962-01-01 |
January 1962: Established Original Design Office Co., Ltd. at 1-1-1 Kanda Sarugami-cho, Chiyoda-ku, Tokyo, primarily for planning, design, and construction management of water supply and drainage. |
| 1962-01-23 |
Since its founding in 1962 (Showa 37), we have progressed with the philosophy of contributing to the preservation of living environments. |
| 1962-01-23 |
January 23, 1962: Established Original Design Office Co., Ltd. in Kanda Sarugakucho, Chiyoda-ku, Tokyo, primarily for planning, design, and construction management of water supply and sewage. |
| 1963-01-01 |
January 1962: Established Original Design Office Co., Ltd. with the primary purpose of planning and designing and supervising construction of water and sewerage systems at 1-1 Sarenakacho, Kanda, Chiyoda-ku, Tokyo. |
| 1963-03-01 |
March 1963: Moved headquarters to Nishi-Kanda, Chiyoda-ku, Tokyo. |
| 1963-03-01 |
March 1963: Moved headquarters to Nishi-Kanda, Chiyoda-ku, Tokyo. |
| 1963-06 |
March 1963: Moved headquarters to Nishi-Kanda, Chiyoda-ku, Tokyo. |
| 1964-08-01 |
August 1964: Registered as a construction consultant under the Construction Consultant Registration Regulations. |
| 1964-08 |
August 1964: Registered as a construction consultant under the Construction Consultant Registration Regulations. |
| 1964-08-01 |
August 1964: Registered as a construction consultant under the Construction Consultant Registration Regulations. |
| 1964-10-01 |
October 1964: Established the Niigata office in Niigata City, Niigata Prefecture. |
| 1964-10 |
October 1964: Established Niigata Office in Niigata City, Niigata Prefecture. |
| 1964-10-01 |
October 1964: Established Niigata Office in Niigata City, Niigata Prefecture. |
| 1968-01-01 |
January 1968: Moved headquarters to Iwato-cho, Ushigome, Shinjuku-ku, Tokyo. |
| 1968-01 |
January 1968: Moved headquarters to Inokashira Iwatocho, Shinjuku-ku, Tokyo. |
| 1968-01-01 |
January 1968: Moved headquarters to Igumo Iwato-cho, Shinjuku-ku, Tokyo. |
| 1968-06-01 |
June 1968: Established the Kyushu office (now Fukuoka office) in Fukuoka City, Fukuoka Prefecture. |
| 1968-06 |
June 1968: Established Kyushu Office (now Fukuoka Office) in Fukuoka City, Fukuoka Prefecture. |
| 1968-06-01 |
June 1968: Established Kyushu Office (now Fukuoka Office) in Fukuoka City, Fukuoka Prefecture. |
| 1971-07-01 |
July 1971: Established the Osaka office in Chuo-ku, Osaka City, Osaka Prefecture. |
| 1971-07 |
July 1971: Established Osaka Office in Chuo-ku, Osaka City, Osaka Prefecture. |
| 1971-07-01 |
July 1971: Established Osaka Office in Chuo-ku, Osaka City, Osaka Prefecture. |
| 1973-04-01 |
April 1973: Completed and began operation of the computer-aided design system. |
| 1973-04 |
April 1973: Completed and commenced operation of the computer-aided design system. |
| 1973-04-01 |
April 1973: Completed and began operation of the computer-aided design system. |
| 1974-11-01 |
November 1974: Established the Akita office in Akita City, Akita Prefecture. |
| 1974-11 |
November 1974: Established Akita Office in Akita City, Akita Prefecture. |
| 1974-11-01 |
November 1974: Established Akita Office in Akita City, Akita Prefecture. |
| 1984-03-01 |
March 1984: Completed and began operation of the pipe and canal automatic design system, flood, inundation, and water stagnation prevention system. |
| 1984-03 |
March 1984: Completed and began operation of the pipe design automation system and flood, inundation, and waterlogging prevention system. |
| 1984-03-01 |
March 1984: Completed and began operation of the pipe design automation system and flood, inundation, and waterlogging prevention system. |
| 1984-08-01 |
August 1984: Established the Seoul office in Seoul Special City, South Korea. |
| 1984-08 |
August 1984: Established Seoul Office in Seoul Special City, South Korea. |
| 1984-08-01 |
August, Showa 59: Established Seoul office in Seoul Special City, South Korea. |
| 1988-01-01 |
January 1988: Changed company name to Original Design Co., Ltd. |
| 1988-04-01 |
April 1988: Established the Kanagawa office in Naka-ku, Yokohama City, Kanagawa Prefecture. |
| 1988-06-01 |
June 1988: Established the Saitama office in Urawa City, Saitama Prefecture. |
| 1989-01 |
January 1988: Changed company name to Original Design Co., Ltd. |
| 1989-01-01 |
January, Showa 63: Changed company name to Original Design Co., Ltd. |
| 1989-04-01 |
April 1989: Established the Tochigi office in Utsunomiya City, Tochigi Prefecture. |
| 1989-04 |
April 1988: Established Kanagawa Office in Naka-ku, Yokohama City, Kanagawa Prefecture. |
| 1989-04-01 |
April, Showa 63: Established Kanagawa office in Naka-ku, Yokohama City, Kanagawa Prefecture. |
| 1989-06-01 |
June 1989: Completed and began operation of the Urban Facility Information Management System (MONJU). |
| 1989-06 |
June 1988: Established Saitama Office in Urawa City, Saitama Prefecture. |
| 1989-06-01 |
June, Showa 63: Established Saitama office in Urawa City (now Saitama City), Saitama Prefecture. |
| 1990-01-01 |
January 1990: Established the Ishikawa office in Kanazawa City, Ishikawa Prefecture. Established the Okayama office in Okayama City, Okayama Prefecture. |
| 1990-04-01 |
April 1990: Established the Nagano office in Matsumoto City, Nagano Prefecture. Established the Shizuoka office in Shizuoka City, Shizuoka Prefecture. Established the Iwate office in Morioka City, Iwate Prefecture. |
| 1990-04 |
In April of Heisei 3, established the Kanto Branch (now Tokyo Branch) in Shinjuku-ku, Tokyo, and the Kansai Branch (now Kansai Branch) in Chuo-ku, Osaka. |
| 1990-04-01 |
April, Heisei 2: Established Nagano office in Matsumoto City, Nagano Prefecture. |
| 1990-09 |
In April of Heisei 3, established the Tohoku Branch (now North Japan Branch) in Akita City, Akita Prefecture; the Hokuriku Branch (now Central Japan Branch) in Niigata City, Niigata Prefecture; the East Kanto Branch (now Kanto Branch) in Urawa City, Saitama Prefecture; the Kyushu Branch (now Kyushu Branch) in Hakata-ku, Fukuoka City, Fukuoka Prefecture; and the Ibaraki Office in Mito City, Ibaraki Prefecture. |
| 1990-09-01 |
September, Heisei 2: Established Shizuoka office in Shizuoka City, Shizuoka Prefecture. |
| 1990-11-01 |
November, Heisei 2: Established Iwate office in Morioka City, Iwate Prefecture. |
| 1991-04-01 |
April 1991: Established the Kanto branch (now Tokyo branch) in Shinjuku-ku, Tokyo. Established the Kansai branch (now Kansai branch) in Chuo-ku, Osaka City, Osaka Prefecture. Established the Tohoku branch (now North Japan branch) in Akita City, Akita Prefecture. Established the Hokuriku branch (now Central Japan branch) in Niigata City, Niigata Prefecture. Established the East Kanto branch (now Kanto branch) in Urawa City, Saitama Prefecture. Established the Kyushu branch (now Kyushu branch) in Hakata-ku, Fukuoka City, Fukuoka Prefecture. Established the Ibaraki office in Mito City, Ibaraki Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established Kanto branch (now Tokyo branch) in Shinjuku-ku, Tokyo. |
| 1991-04-01 |
April, Heisei 3: Established Kansai branch (now Kansai branch office) in Chuo-ku, Osaka City, Osaka Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established Tohoku branch (now North Japan branch office) in Akita City, Akita Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established Hokuriku branch (now Central Japan branch office) in Niigata City, Niigata Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established East Kanto branch (now Kanto branch office) in Urawa City, Saitama Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established Kyushu branch (now Kyushu branch office) in Hakata-ku, Fukuoka City, Fukuoka Prefecture. |
| 1991-04-01 |
April, Heisei 3: Established Ibaraki office in Mito City, Ibaraki Prefecture. |
| 1993-01-01 |
January 1993: Established the Aichi office (now Tokai office) in Naka-ku, Nagoya City, Aichi Prefecture. |
| 1993-01 |
In January of Heisei 5, established the Aichi Office (now Tokai Office) in Naka-ku, Nagoya City, Aichi Prefecture. |
| 1995-07-01 |
July 1994: Established the Toyama office in Toyama City, Toyama Prefecture. |
| 1995-07 |
In July of Heisei 6, established the Toyama Office in Toyama City, Toyama Prefecture. |
| 1996-01-01 |
July, Heisei 8: Registered shares with the Japan Securities Association. |
| 1996-07-01 |
November 1995: Relocated headquarters and Tokyo branch to Shinokogawacho, Shinjuku, Tokyo. |
| 1996-07-01 |
July 1996: Registered shares with the Japan Securities Dealers Association. |
| 1996-07 |
In November of Heisei 7, moved the headquarters and Tokyo Branch to Shinogawacho, Shinjuku-ku, Tokyo. |
| 1996-07 |
In July of Heisei 8, registered shares with the Japan Securities Dealers Association. |
| 1997-12-01 |
December 1997: Established an Environmental Analysis and Training Center in Utsunomiya, Tochigi Prefecture. |
| 1997-12 |
In December of Heisei 9, established the Environmental Analysis and Training Center in Utsunomiya City, Tochigi Prefecture. |
| 1997-12-01 |
December 1997: Established an Environmental Analysis and Training Center in Utsunomiya City, Tochigi Prefecture. |
| 1998-09-01 |
September 1998: Listed on the Second Section of the Tokyo Stock Exchange. |
| 1998-09 |
In September of Heisei 10, listed on the Second Section of the Tokyo Stock Exchange. |
| 1998-09-01 |
September 1998: Listed on the Second Section of the Tokyo Stock Exchange. |
| 1999-02-01 |
February 1999: Established Shikoku Branch (now Shikoku Office) in Takamatsu, Kagawa Prefecture. |
| 1999-02 |
In February of Heisei 11, established the Shikoku Branch (now Shikoku Office) in Takamatsu City, Kagawa Prefecture. |
| 1999-02-01 |
February 1999: Established the Shikoku Branch (now Shikoku Office) in Takamatsu City, Kagawa Prefecture. |
| 1999-12-01 |
December 1999: Obtained ISO 9001 certification for part of the Tokyo branch and headquarters. |
| 1999-12 |
In December of Heisei 11, obtained ISO 9001 certification for part of the Tokyo Branch and headquarters. |
| 1999-12-01 |
December, Heisei 11: Obtained ISO9001 certification for part of Tokyo branch and headquarters. |
| 2000-04-01 |
April 2000: Established Miyagi Office in Sendai, Miyagi Prefecture, and Hiroshima Office in Hiroshima, Hiroshima Prefecture. |
| 2000-04-01 |
April 2000: Founded new companies OEC Systems Co., Ltd. and CONS Co., Ltd. |
| 2000-04-01 |
April, Heisei 12: Established Miyagi office in Sendai City, Miyagi Prefecture, and Hiroshima office in Hiroshima City, Hiroshima Prefecture. |
| 2000-04-01 |
April, Heisei 12: Established new companies OEC Systems Co., Ltd. and COEN Systems Co., Ltd. |
| 2001-03-16 |
March 16, Heisei 13: Establishment. |
| 2001-12-01 |
December 2001: Obtained ISO 9001 certification for headquarters and all branches. |
| 2002-01-01 |
October, Heisei 14: Changed the company names of subsidiaries OEC Systems Co., Ltd. and COEN Systems Co., Ltd. to Kanzai Co., Ltd. and Urushi Co., Ltd., and relocated headquarters to Akita City, Akita Prefecture, and Utsunomiya City, Tochigi Prefecture. |
| 2002-04 |
In April of Heisei 12, established the Miyagi Office in Sendai City, Miyagi Prefecture, and the Hiroshima Office in Hiroshima City, Hiroshima Prefecture. |
| 2002-04 |
In April of Heisei 12, established new companies: O.E.C. Systems Co., Ltd. and C.O.N.S. Co., Ltd. |
| 2002-10-01 |
October 2002: The subsidiaries O.E.C. Systems Co., Ltd. and C.O.N.S. Co., Ltd. changed their company names to KanZai Co., Ltd. and Urushi Co., Ltd., and relocated the head office to Akita City, Akita Prefecture and Utsunomiya City, Tochigi Prefecture. |
| 2003-12 |
In December of Heisei 13, obtained ISO 9001 certification for the headquarters and all branches. |
| 2006-02-01 |
February 2006: The West Japan Branch, Kansai Branch, and Osaka Office were relocated to Kawamachi, Chuo-ku, Osaka City, Osaka Prefecture. |
| 2006-10 |
In October of Heisei 14, changed the trade names of subsidiaries O.E.C. Systems Co., Ltd. and C.O.N.S. Co., Ltd. to Kanza Co., Ltd. and Urushi Co., Ltd., and moved the head office to Akita City, Akita Prefecture, and Utsunomiya City, Tochigi Prefecture. |
| 2007-07-01 |
July 2007: The North Japan Branch and Akita Office were relocated to Yanno, Akita City, Akita Prefecture. |
| 2009-04-01 |
April 2009: Registered as a Privacy Mark certified business. |
| 2009-10-01 |
October 2002: Changed the corporate names of subsidiaries OEC Systems Co., Ltd. and CONS Co., Ltd. to Kanza Co., Ltd. and Urushi Co., Ltd., and relocated headquarters to Akita City, Akita Prefecture, and Utsunomiya City, Tochigi Prefecture. |
| 2010-01 |
In January of Heisei 22, absorbed and merged with Kanza Co., Ltd. |
| 2010-01-01 |
January 2010: Absorbed and merged with KanZai Co., Ltd. |
| 2010-02-01 |
February 2006: Moved West Japan Branch, Kansai Branch, and Osaka Office to Kawamachi, Chuo-ku, Osaka, Osaka Prefecture. |
| 2010-02 |
In February of Heisei 18, moved the West Japan Branch, Kansai Branch, and Osaka Office to Kawamachi, Chuo-ku, Osaka City, Osaka Prefecture. |
| 2010-05 |
In May of Heisei 22, moved the headquarters, Tokyo Branch, and Information Technology Department to Motoyoyogi-cho, Shibuya-ku, Tokyo. |
| 2010-05-01 |
May 2010: Moved headquarters, Tokyo Branch, and IT Department to Motoyoyogi-cho, Shibuya-ku, Tokyo. |
| 2011-07-01 |
July 2007: Relocated North Japan Branch and Akita Office to Yano, Akita City, Akita Prefecture. |
| 2012-01-01 |
April 2009: Registered as a Privacy Mark certified business. |
| 2012-05-01 |
January 2010: Absorbed and merged with Kanza Co., Ltd. |
| 2012-05-01 |
May 2010: Moved headquarters, Tokyo branch, and IT Department to Motoyoyogi-cho, Shibuya-ku, Tokyo. |
| 2012-07 |
In July of Heisei 24, obtained ISO 14001 certification for the headquarters and Information Technology Department. |
| 2012-07-01 |
July 2012: Obtained ISO14001 certification for headquarters and IT Department. |
| 2014-02 |
In July of Heisei 19, moved the North Japan Branch and Akita Office to Yano, Akita City, Akita Prefecture. |
| 2014-04-01 |
April 2014: Organizational change established a structure of East Japan Branch (Shibuya), West Japan Branch (Osaka), Facilities Headquarters (Shibuya), Design Planning Headquarters (Shibuya), North Japan Branch (Akita), plus 2 other branches, 5 headquarters, and 6 branches. |
| 2014-04 |
In April 2014, following an organizational change, the company established a structure comprising the East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Design Planning Headquarters (Shibuya-ku), North Japan Branch (Akita), and two additional branches, five headquarters, and six branches. |
| 2014-04-01 |
April 2014: Organizational change resulted in a structure of East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Design Planning Headquarters (Shibuya-ku), North Japan Branch (Akita) plus 2 other branches, 5 headquarters, 6 branches. |
| 2014-07-01 |
July 2012: Obtained ISO 14001 certification for headquarters and IT Department. |
| 2015-01-01 |
January 2015: Obtained ISO 27001 certification at Asset Management Headquarters. |
| 2015-01 |
In January 2015, the Asset Management Headquarters obtained ISO 27001 certification. |
| 2015-01-01 |
January 2015: Obtained ISO27001 certification for Asset Management Headquarters. |
| 2017-04-01 |
April 2017: Organizational change created a structure of East Japan Branch (Shibuya), West Japan Branch (Osaka), Facilities Headquarters (Shibuya), Water Infrastructure Headquarters (Shibuya), East Japan Branch (Niigata), plus 2 other branches, 2 headquarters, and 5 branches. |
| 2017-04 |
In April 2017, following an organizational change, the company adopted a structure of the East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata), plus two other branches, two headquarters, and five branches. |
| 2017-04-01 |
April 2017: Organizational change resulted in East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata) plus 2 other branches, 2 headquarters, 5 branches. |
| 2017-12-01 |
December 2017: Obtained ISO 55001 certification at Kansai Branch. |
| 2017-12 |
In December 2017, the Kansai Branch obtained ISO 55001 certification. |
| 2017-12-01 |
December 2017: Obtained ISO55001 certification at Kansai Branch. |
| 2018-01 |
In April of Heisei 21, registered as a Privacy Mark certified business. |
| 2018-07-01 |
July 2018: Earned Eruboshi certification. |
| 2018-07 |
In July 2018, the company obtained the Eru Boshi certification. |
| 2018-07-01 |
July 2018: Obtained Eruboshi certification. |
| 2020-10-01 |
October 2020: Due to organizational restructuring, the company established a structure comprising East Japan Branch (Shibuya), West Japan Branch (Osaka), Facilities Headquarters (Shibuya), Water Infrastructure Headquarters (Shibuya), East Japan Branch Office (Niigata), and two additional branches, two headquarters, and four branch offices. |
| 2020-10 |
In October 2020, following an organizational change, the company adopted a structure of the East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata), plus two other branches, two headquarters, and four branches. |
| 2020-10-01 |
October 2020: Organizational change resulted in East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata) plus 2 other branches, 2 headquarters, 4 branches. |
| 2021-03-01 |
March 2021: Certified as a Health Management Excellence Corporation 2021. |
| 2021-03 |
In March 2021, certified as a Health Management Excellence Corporation 2021. |
| 2021-03-01 |
March 2021: Certified as a Health Management Excellence Corporation 2021. |
| 2021-04-01 |
April 2021: Organizational restructuring resulted in a structure with East Japan Branch (Shibuya), West Japan Branch (Osaka), Facilities Headquarters (Shibuya), Water Infrastructure Headquarters (Shibuya), East Japan Branch Office (Niigata), plus two branches, two headquarters, and three branch offices. |
| 2021-04 |
In April 2021, following an organizational change, the company adopted a structure of the East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata), plus two other branches, two headquarters, and three branches. |
| 2021-04-01 |
April 2021: Organizational change resulted in East Japan Branch (Shibuya-ku), West Japan Branch (Osaka), Facilities Headquarters (Shibuya-ku), Water Infrastructure Headquarters (Shibuya-ku), East Japan Branch (Niigata) plus 2 other branches, 2 headquarters, 3 branches. |
| 2024-04-01 |
April 2024: Company name changed from Urushi Co., Ltd. to VISTAQUA Co., Ltd. |
| 2024-04 |
In April 2024, the company changed its corporate name from Urushi Co., Ltd. to VISTAQUA Co., Ltd. |
| 2024-04-01 |
April 2024: Changed the company name of Urushi Co., Ltd. to VISTAQUA Co., Ltd. |
| 2025-01-01 |
January 2025: Acquired all shares of Cracks System Co., Ltd. |
| 2025-01 |
In January 2025, acquired all shares of Crackus System Co., Ltd. |
| 2025-01-01 |
January 2025: Acquired all shares of Crackus System Co., Ltd. |
| 2025-07-01 |
July 2025: Acquired all shares of Japan Technology Service Co., Ltd. |
