Kousai Transportation Co., Ltd.

1974: Founded Yazaki Transportation Co., Ltd. by Chairman Yazaki Kasa-ryo (current chairman) following acquisition of a client‑limited license.

October 7, 1974

1977: Renamed to Kousai Transportation Co., Ltd. for railway freight transport in partnership with the Railway Kousai Association.

1980: Lifted client‑limited license and obtained a general area license.

1983: Shifted business plan to general miscellaneous goods transport, focusing on alcohol and air freight.

1987: Introduced radio equipment to improve transportation efficiency alongside computerization due to increased fleet size.

1988: Purchased 1,000 tsubo of land in Ōaza Nekojitsu, Iwai City, Ibaraki Prefecture.

1988: Entered warehouse management sector.

1990: Aimed for shipping, management, and total logistics; secured Yashio and Iwai warehouses and increased fleet.

1991: Secured welfare facilities for employees; started joint delivery and packaging services.

1992: Introduced new computer system with expansion of logistics consulting and accounting services.

1993: Increased capital to 100 million yen through capital increase.

1994: Opened a Saitama branch in Yashio City.

1995: Obtained permission to expand sales area to 1 metropolitan area and 17 prefectures.

1997: Due to NOX regulations, considered alternatives and aimed to expand business by switching to passenger and large vehicles. Secured Kawaguchi Logistics Center in Kawaguchi City and Kusaka Logistics Center in Kusaka City.

1998: Moved headquarters to 2-1-22 Higashi-Iko, Adachi-ku, Tokyo. Increased fleet to 163 vehicles. Opened Ibaraki branch in Tsuchiura City.

Heisei 12: Established the Ota-ku and Oi office and began maritime container transport. Obtained permission to collect industrial waste in the Kanto region. Implemented an internal capability development system for self-management, personal responsibility, and individual skill improvement.

Heisei 13: With the appointment of Chairman Yasaki Kesa, President Yasaki Toshio took office. Increased capital to 25 million yen.

Heisei 14: Introduced CNG vehicles aiming for environmental harmony with society. Opened a sales department and computer room in Bunkyo-ku, Tokyo.

Heisei 15: Opened Koshigaya DC as a household goods center. Amended the articles of incorporation to match current operations. Started management consulting services. Established an ISO acquisition preparation committee.

Heisei 16: Opened Tokyo Center in Adachi-ku, Iruma. Established a privacy mark preparation committee. Obtained ISO 9001:2000 certification for headquarters, Adachi sales office, and Saitama sales office.

Heisei 17: Certified privacy mark (No. 10410008(01)). Registered the trademark for the warehouse property site (BWN·Biz Warehouse Net).

Heisei 18: Increased capital to 30 million yen.

Heisei 19: Established a recycling center in Furukawa, Adachi-ku. Updated privacy mark (No. 10410008(02)). Updated ISO 9001.

Heisei 21: Obtained secondhand goods dealer license. Updated privacy mark (No. 10410008(03)). Certified and registered Eco Action 21.

Heisei 22: Re-certified ISO 9001:2008 for headquarters, Adachi sales office, and Saitama sales office. Opened a Kuki sales office in Kuki City, Saitama Prefecture.

Heisei 23: Certified security services. Updated privacy mark (No. 10410008(04)).

Heisei 25: Re-certified ISO 9001:2008 for headquarters, Adachi sales office, and Saitama sales office. Updated privacy mark (No. 10410008(05)).

Heisei 26: Reduced capital from 30 million yen to 10 million yen. Moved Kuki sales office to Omiya sales office.

Heisei 27: Updated privacy mark (No. 10410008(06)).

Heisei 28: Re-certified ISO 9001:2008 for headquarters and Adachi sales office. Transferred Saitama sales office to a new company. Moved Furukawa recycling center to Adachi Iruma and Soka Karuki. Declared a healthy company. Updated security services certification.

Heisei 29: Updated privacy mark (No. 10410008(07)).

Heisei 30: Adachi sales office: Certified as a safety excellence facility (G Mark).

Reiwa 1: Updated ISO 9001:2015. Updated privacy mark (No. 10410008(08)). New construction permit (Tokyo).

Reiwa 2: Integrated Bunkyo office into headquarters sales office.

Reiwa 3: Omiya sales office: Certified as a safety excellence facility (G Mark). Updated privacy mark (No. 10410008(09)). Declared a healthy company.

Reiwa 5: Eco Action: 21: Acquisition: Privacy Mark Renewal No.: 10410008: (10)

Reiwa 7: ISO: 9001: : : 2015: Renewal: Privacy Mark Renewal No. 10410008 (11): Partnership Building Declaration: Name change from Omiya Sales Office to Saitama Sales Office