June 2011 Established ARCA CO., LTD

(Tsurugaoka, Izumi, Sendai City, Miyagi. Established capital 800,000 yen)

December 2011 Registered as Equipment Construction and Installation Corporation (宮城 県 知事 登録 般 -23 第 19150 号)

September 2013 Capital increased to 7,000,000 JPY.

May 2014 Capital increased to 20,000,000 JPY.

July 2014 Registered as Electrical Construction and Specific Construction Company

(宮城 県 知事 登録 特 ｰ 26 第 19150 号)

August 2014 Moved headquarters to Tomiya-city, Kurogawa-gun, Miyagi

(Now Tomiya-shi)

October 2015 Registered at the General Architect's Office

(宮城 県 知事 登録 第 15010135 号)

January 2017 Registered housing construction business

（宮城 県 知事 （1） 6356 号）

July 2018 Registered to move headquarters to 30, Tekunohiruzu, Taiwa-cho, Kurokawa-gun, Miyagi-Prefecture, Japan

(Branch office: 1-27-20, Tomigaoka, Tomiya-city, Miyagi-Prefecture, Kapan)

October 2018 Established ARCA Farm Co., Ltd.

January 2019 Established a subsidiary in Vietnam

February 2019 Established a subsidiary in Malaysia

April 2019 Opened Hokkaido office

(Chitose, Hokkaido Saiwaicho 6-chome, 20-25 Maison de Kou Building 1F)

April 2020 Nantong Factory achieved ISO certification

June 2020 Established Kyushu office

(Room no. 1, Office PAREA Kasuya IV, 560-1, Kamiokuma, Kasuya-cho, Kasuya-gun, Fukuoka)

October 2020 Received License (Special-2) No. 27938 from the Ministry of Land, Infrastructure, Transport and Tourism for civil engineering business, electrical construction business, demolition work business and business pipeline joint.

January 2021 Established a new office building - ARCA Hokkaido

(3-3-26 Ryutsu, Chitose-shi, Hokkaido)

Opening of ARCA dormitory (ARCA Coffee & Shop on 1st floor)

December 2021 Renewal of housing construction business registration

(Governor Miyagi (2) No. 6356)

November 2022 Charter capital increased to 99,000,000 JPY

July 2023 Established ARCA VINA factory (Long An, Vietnam)