株式会社共立メンテナンス

1979年、東京都葛飾区にて株式会社共立メンテナンスを設立しました。

Kyoritsu Maintenance Co., Ltd. was established in 1979 in Katsushika-ku, Tokyo.

東京都葛飾区にて株式会社共立メンテナンスを設立

Kyoritsu Maintenance Co., Ltd. established in Katsushika-ku, Tokyo

受託給食事業を開始

Launch of contracted meal catering business

1980年には、創業の原点となる学生寮事業をスタートし、第一号となる学生寮「ドーミー」を開設。

学生寮「ドーミー」第一号

The following year, in 1980, we launched our student dormitory business, which marked the origin of our company, and opened “Dormy,” our first student dormitory.

受託給食事業を開始。創業者の石塚晴久が調理人として企業の給食施設の運営受託を開始。

In 1980, launched the student dormitory business, opening the first student dormitory 'Dormy'.

学生寮事業を開始

Launch of student dormitory business

Launched contracted meal catering business.

本社を東京都千代田区淡路町に移転。

Headquarters relocated to Awaji-cho, Chiyoda-ku, Tokyo.

本社を東京都千代田区淡路町に移転

Relocated headquarters to Awaji-cho, Chiyoda-ku, Tokyo

受託寮事業を開始。

Launched contracted dormitory business.

受託寮事業を開始

Launch of contracted dormitory business

社員寮事業を開始。

Started company dormitory business; first employee dormitory 'Dormy' opened.

社員寮事業を開始

Launch of company dormitory business

大阪府吹田市に大阪支店（現・関西支店）を設置。

Established Osaka Branch in Suita-shi, Osaka.

大阪府吹田市に大阪支店（現・関西支店）を設置

Established the Osaka Branch (currently Kansai Branch) in Suita-shi, Osaka

賃貸マンション「ドミール」第一号を開始。

Sharp rise of the yen against the US dollar.

対ドル為替で円急騰 : 賃貸マンション「ドミール」第一号

First “Domile” rental condominium

外食事業へ参入

外食事業を開始。

Launched restaurant business, expanding food services.

平成景気（バブル景気）始まる : 5月：外食事業を開始

Launch of restaurant business

学生寮61棟・社会人寮53棟（計114棟）を運営。

消費税導入/土地基本法成立 : ◎学生寮61棟・社会人寮53棟（計114棟）

61 Gakusei Kaikan student dormitories and 53 employee dormitories (total of 114)

Consumption tax introduced; total of 114 dormitories.

株式会社サン・エンタープライズ（現・共立エステート）の株式を100％取得。

Acquired 100% of SUN ENTERPRISE Co., Ltd. (now Kyoritsu Estate Co., Ltd.).

10月：株式会社サン・エンタープライズ（現・連結子会社：株式会社共立エステート）の株式を100％取得

Acquired 100% of the shares of SUN ENTERPRISE Co., Ltd. (current consolidated subsidiary: Kyoritsu Estate Co., Ltd.)

Launched training center business.

研修センター事業を開始。

4月：研修センター事業を開始

Training center business launched

1993年にリゾートホテル「ドーミー倶楽部軽井沢」やビジネスホテル「ドーミーインエクスプレス草加市」（旧「ドーミーイン八塚」）の開業により、ホテル事業を開始しました。

リゾートホテル「ドーミー倶楽部軽井沢」やビジネスホテル「ドーミーインEXPRESS草加City」を開業。

「ドーミー倶楽部軽井沢」や「ドーミーインエクスプレス草加市」などのホテル事業を開始しました。

6月：本社を東京都千代田区外神田に移転

Headquarters relocated to Sotokanda, Chiyoda-ku, Tokyo, and at the same time the Nagoya Office (now Nagoya Branch), Sapporo Office (now Sapporo Branch), Sendai Office (now Sendai Branch), and Fukuoka Office (now Kyushu Branch) were established.

7月：リゾートホテル事業を開始

8月：ドーミーイン（ビジネスホテル）事業を開始

日本証券業協会へ株式を店頭登録。

OTC stock registration with Japan Securities Dealers Association.

9月：日本証券業協会に株式を店頭登録

OTC stock registration with the Japan Securities Dealers Association

◎ドーミーヴィラ伊豆山【現 ラビスタ伊豆山】（静岡県） : ◎ドーミーヴィラ安比高原（岩手県） : ◎ドーミーイン蘇我【現 ドーミーイン千葉City Soga】（千葉県）

Dormy Villa Izusan (Currently La Vista) (Shizuoka Prefecture)

Dormy Villa Appi Kogen (Iwate Prefecture)

ドーミーイン草加（現在のドーミーイン千葉市草加）(千葉県)

We launched our Senior Life Business in 1996, opening the residential elderly home “Dormy Johoku Park”

First Senior Life project

Dormy Inn EXPRESS Meguro Aobadai (Tokyo)

Dormy Shirokita Park, residential home for the elderly (Tokyo)

住宅型有料老人ホーム「ドーミー城北公園」を開業し、シニアライフ事業を開始。

Launched senior life business with 'Dormy Johoku Park'.

12月：シニアライフ事業を開始

Launch of the Senior Life business

Wellness no Mori Ito (Shizuoka Prefecture)

Dormy Inn EXPRESS Asakusa (Tokyo)

Dormy Inn EXPRESS Sendai Hirose-dori (Miyagi Prefecture)

Dormy Kita-Ayase, nursing-care residence (Tokyo)

10月：株式会社共立トラスト（現・連結子会社）を設立

Consumption tax rate raised to 5%

Established Kyoritsu Trust Co., Ltd. (currently a consolidated subsidiary)

Financial crisis begins

Dormy Sagamihara, residential home for the elderly (Kanagawa Prefecture)

Total of 256 student dormitories and employee dormitories

6月：株式会社共立ケータリングサービス（現・連結子会社：株式会社共立フーズサービス）を設立

Established Kyoritsu Catering Service Co., Ltd. (currently Kyoritsu Foods Service Co., Ltd., a consolidated subsidiary)

Listing on the Second Section of the Tokyo Stock Exchange in 1999

Labor Standards Act revised (abolition of restrictions on women’s working hours)

Dormy Inn Shin-Osaka (Osaka)

Dormy Inn Namba[Currently Dormy Inn PREMIUM Namba]

東京証券取引所市場第二部に上場。

Listed on the Second Section of the Tokyo Stock Exchange.

3月：東京証券取引所市場第二部に上場

Listed on the Second Section of the Tokyo Stock Exchange

12月：株式会社日本プレースメントセンター（現・連結子会社：株式会社共立ソリューションズ）を設立

Established Japan Placement Center Co., Ltd. (currently Kyoritsu Solutions Co., Ltd., a consolidated subsidiary)

Introduction of long-term care insurance

Dormy Villa Hakone (Kanagawa Prefecture)

Dormy Inn Niigata (Niigata Prefecture)

Dormy Inn EXPRESS Nagoya (Currently Dormy Inn PREMIUM Nagoya Sakae)

Introduction of long-term care insurance.

6月：株式会社共立ファイナンシャルサービス（現・連結子会社）を設立

Established Kyoritsu Financial Service Co., Ltd. (currently a consolidated subsidiary)

Designation to the First Section in 2001

Wellness no Mori Nasu (Tochigi Prefecture)

Dormy Inn Hiroshima (Hiroshima Prefecture)

本社を東京都千代田区外神田に移転。リゾートホテル「ザ・ビーチタワー沖縄」開業。

Relocated headquarters to Sotokanda 2-chome, Chiyoda-ku, Tokyo.

日産ビルネット株式会社（現・連結子会社：株式会社ビルネット）の株式を100％取得

Acquired 100% of the shares of Nissan Builnet Corporation (currently Builnet Co., Ltd., a consolidated subsidiary)

東京証券取引所市場第一部に指定替え

Listing changed to the First Section of the Tokyo Stock Exchange

Dormy Inn PREMIUM Sapporo (Hokkaido)

本社を東京都千代田区外神田2丁目の神田明神ビルに移転しました。

Relocated headquarters to current location in Sotokanda, Chiyoda-ku, Tokyo.

本社を東京都千代田区外神田二丁目に移転（現住所）

Relocated headquarters to Sotokanda 2-chome, Chiyoda-ku, Tokyo (current address)

「ザ・ビーチタワー沖縄」を開業

Opened “The Beach Tower Okinawa,” our first newly built resort hotel, expanding our resort hotel business

First newly built resort: The concept of a “healing resort,” cultivated through existing facilities in the Kanto–Izu area, was developed into a newly built property. The idea of “height = great view,” rare in Okinawa at the time, became the origin of the La Vista series.

Toshinan Komeya (Shizuoka Prefecture)

The Beach Tower Okinawa (Okinawa Prefecture)

新築リゾート第一号「ザ・ビーチタワー沖縄」を開業。

Opened 'The Beach Tower Okinawa', the first newly built resort hotel.

Hotel Shuhokaku, Meiso no Yu, Kyoto Gojo (Kyoto)

Hotel Kamitakara, Shin-Hirayu Onsen, Okuhida (Gifu Prefecture)

Dormy Inn Sapporo ANNEX (Hokkaido)

Dormy Inn Suidobashi (Tokyo)

Dormy Inn Shinsaibashi (Osaka)

Dormy Inn Toyama (Toyama Prefecture)

Dormy Inn Akihabara (Tokyo)

Dormy Inn Tokyo Hatchobori (Tokyo)

Shuzenji Onsen Kikuya (Shizuoka Prefecture)

Yawatano Onsenkyo Mori no Yu Kiranosato (Shizuoka Prefecture)

Dormy Villa Hakone[Currently The sound of Hakone Kowakudani Hot spring water] (Kanagawa Prefecture )

Kinosaki Maruyamagawa Onsen Ginka (Hyogo Prefecture)

Hakone Gora Onsen Toki no Yu Setsugetsuka (Kanagawa Prefecture)

Dormy Inn Sendai ANNEX (Miyagi Prefecture)

Dormy Inn Akita (Akita Prefecture)

Dormy Inn EXPRESS Hakodate Goryokaku (Hokkaido)

Dormy Inn Kanazawa (Ishikawa Prefecture)

海外第一号の「ラビスタ大雪山」などを含む海外ホテル事業を開始。

La Vista Daisetsuzan (Hokkaido)

Miyama Ouan, Hirayu, Okuhida (Gifu Prefecture)

Kaishu, Nanki Shirahama (Wakayama Prefecture)

Dormy Inn Kitami (Hokkaido)

La Vista Kushiro[Currently Dormy Inn PREMIUM Kushiro]

Dormy Inn Umeda Higashi (Osaka)

Dormy Inn Sendai Ekimae (Miyagi Prefecture)

株式会社セントラルビルワークの株式を取得し子会社化。

株式会社ビルネットは株式会社セントラルビルワーク（現・連結子会社）の株式を追加取得し子会社化

株式会社ネットは、株式会社セントラルビルドワークの追加株式を取得し、子会社化しました。

2008: Lehman Shock : ・La Vista Hakodate Bay (Hokkaido) : ・Dormy Inn Kumamoto (Kumamoto Prefecture) : ・Dormy Inn Hirosaki (Aomori Prefecture) : ・Dormy Inn Takamatsu (Kagawa Prefecture) : ・Dormy Inn Tomakomai (Hokkaido) : ・Dormy Inn Kurashiki (Okayama Prefecture) : ・Total: 387 student dormitories, employee dormitories and Dormy

リーマンショックにより、国内外のホテルや寮の運営に影響が出る。

2009 : ・Takayama Ouan, Hida Hanasato no Yu (Gifu Prefecture) : ・Dormy Inn Takasaki (Gunma Prefecture) : ・Dormy Inn EXPRESS Koriyama (Fukushima Prefecture) : ・Dormy Inn Hakata Gion (Fukuoka Prefecture) : ・Dormy Inn PREMIUM Otaru (Hokkaido) : ・Dormy Inn Tsu (Mie Prefecture) : ・Dormy Inn EXPRESS Mikawa Anjo (Aichi Prefecture) : ・Total: 401 student dormitories, employee dormitories and Dormy

本社を東京都千代田区外神田2丁目神田明神ビルに移転

Launched our PKP Business (Public Kyoritsu Partnership: commissioned operations for local governments)

2010 : ・Yuyado Toki no Niwa / Oyado Konoha (Gunma Prefecture) ・Dormy Inn Obihiro (Hokkaido) ・Dormy Inn Asahikawa (Hokkaido) ・Dormy Inn Nagasaki[Currently Dormy Inn Nagasaki Shinchi Chukagai] (Nagasaki Prefecture ) ・Dormy Inn PREMIUM Kyoto Ekimae (Kyoto) ・Dormy Inn PREMIUM Shimonoseki (Yamaguchi Prefecture) ・Dormy Kotoni Levi, senior housing with services (Hokkaido) ・Total: 408 student dormitories, employee dormitories and Dormy

自治体向けの業務受託事業「PKP事業」を開始。

PKP事業（地方自治体向け業務受託事業）を開始

Launch of PKP business (local government outsourcing)

Relocated Kansai Branch to Osaka.

関西支店を大阪府大阪市に移転（現住所）

Relocated Kansai Branch to Osaka (current address)

New dormitory business: Share House Dormy opened

New dormitory business: Dormy Net opened

東日本大震災発生。韓国に子会社を設立し、海外ホテル展開を拡大。

Established Kyoritsu Maintenance Korea Co., Ltd.

Opened first overseas business hotel, Dormy Inn Premium Seoul Garosugil.

株式会社共立アシストを設立。

Established Kyoritsu Assist Co., Ltd.

国内のホテルや寮の新規開業を継続。

Launched multiple new hotels including 'Inishie no Yado Ikyu' and 'Kyoto Arashiyama Onsen Yuamidokoro Fufu no Yu'.

Inishie no Yado Ikyu (Mie Prefecture) : Kyoto Arashiyama Onsen Yuamidokoro Fufu no Yu (Kyoto) : Dormy Inn EXPRESS Kakegawa (Shizuoka Prefecture) : Dormy Inn PREMIUM Namba (Osaka) : Nursing-care assisted residence Dormy Nakano Egota (Tokyo) : Total: 418 student dormitories, employee dormitories and Dormy

Consumption tax rate raised to 8%

京都支店を設置。

Established Kyoto Branch.

Established the Kyoto Branch

Opened first overseas business hotel, marking the beginning of our expansion into global markets.

Dormy Inn Premium Seoul Garosugil, the first overseas Dormy Inn, opens for business.

Kyoritsu Oasis Co., Ltd., a group company operating cafes and lounges with a healing theme, is established.

First overseas Dormy Inn business hotel In order to spread the message of 'caring' and 'hospitality' to the world, we are expanding our business hotels overseas, based in Seoul, Korea. ・Kamui no Yu La Vista Akangawa (Hokkaido) ・La Vista Fuji Kawaguchiko (Yamanashi Prefecture) ・Hakone Yumoto Onsen Tsuki no Yado Sara (Kanagawa Prefecture) ・Dormy Inn PREMIUM Seoul Garosugil (South Korea) ・Dormy Inn PREMIUM Nagoya Sakae (Aichi Prefecture) ・Dormy Inn Ueno-Okachimachi (Tokyo) ・Dormy Inn Higashimuroran (Hokkaido) ・Total: 436 student dormitories, employee dormitories and Dormy

韓国ソウルに「ドーミーインプレミアムソウルカロスキル」を開業。

Established Kyoritsu Maintenance (Thailand) Co., Ltd. and opened overseas hotels including Dormy Inn PREMIUM Seoul Garosugil.

Kyoritsu Trust Co., Ltd. established Kyoritsu Insurance Service Co., Ltd.

Opened multiple overseas hotels including La Vista Kirishima Hills and Dormy Inn Abashiri.

Naruko Onsen Yumoto Kissho (Miyagi Prefecture) : Onyado Nono Sakaiminato (Tottori Prefecture) : Dormy Inn Abashiri (Hokkaido) : Global Cabin Gotanda (Tokyo) : Toyama Tsurugi no Yu Onyado Nono (Toyama Prefecture) : Dormy Inn Nagano (Nagano Prefecture) : Dormy Inn PREMIUM Tokyo Kodenmacho (Tokyo) : Onyado Nono Namba (Osaka) : Service-type residence for the elderly Dormy Kameari Levi (Tokyo) : Total: 455 student dormitories, employee dormitories and Dormy

Kyoritsu Maintenance (Thailand) Co., Ltd.を設立。

Kyoritsu Maintenance (Thailand) Co., Ltd.を設立。

Established Kyoritsu Maintenance (Thailand) Co., Ltd.

Kyoritsu Maintenance Sriracha Co., Ltd.を設立。

Established Kyoritsu Maintenance Sriracha Co., Ltd.

元号が令和に変わる。国内外のホテルや寮の新規展開を継続。

Era name changed to Reiwa; opened new hotels including Dormy Inn Fukui.

「湯めぐりの宿」第一号オープン

Opened new resort concept, “Yumeguri-no-Yado” (Hot Spring Tour Inn), offering accommodation styles suited to contemporary needs.

Yumeguri no Yado (Hot Spring Inn), a convenient way for families and young people to enjoy hot springs, begins operations.

株式会社共立オアシスを設立し、「湯めぐりの宿」第一号をオープン。

Established Kyoritsu Oasis Co., Ltd. and opened 'Yumeguri no Yado'.

株式会社共立オアシス（現・連結子会社）を設立

Established Kyoritsu Oasis Co., Ltd.

In 2021, we established Kyoritsu Foods Management Co., Ltd. to enhance the value we provide through our food services.

株式会社共立フーズマネジメントを設立。国内外のホテルや寮の拡大を推進。

Established Kyoritsu Foods Management Co., Ltd. and expanded overseas with Dormy Inn PREMIUM Seoul Garosugil.

株式会社共立フーズマネジメント（現・連結子会社）を設立

Established Kyoritsu Foods Management Co., Ltd.

La Vista Tokyo Bay, an urban resort offering beautiful views over Tokyo Bay, opened in Toyosu.

東京証券取引所の市場区分を見直し、プライム市場に移行。

Moved from the First Section to the Prime Market of the Tokyo Stock Exchange.

東京証券取引所の市場区分見直しにより、東京証券取引所の市場第一部から東証プライム市場へ移行

Following the restructuring of the Tokyo Stock Exchange’s market segments, we moved from the First Section of the Exchange to the Prime Market.

PKP事業を株式会社共立ソリューションズへ承継し、株式会社共立リフレフォーラムを設立。

Transferred PKP business to Kyoritsu Solutions and established Kyoritsu Refre Forum Co., Ltd.

吸収分割により当社PKP事業を株式会社共立ソリューションズへ承継

PKP business transferred to Kyoritsu Solutions Corporation.

株式会社共立リフレフォーラムを設立

Established Kyoritsu Refre Forum Co., Ltd.

We strengthened our business foundation through a partnership with Cosmos Initia and re-entry into the Korean market.

株式会社コスモスイニシアの株式を一部取得。

Partial acquisition of Cosmos Initia Co., Ltd. and re-entry into Korean market with 'Seoul Insadong'.

株式会社コスモスイニシア（現・持株法適用関連会社）の株式を一部取得

Partial acquisition of shares in Cosmos Initia Co., Ltd.

We established our Chugoku/Shikoku Branch, deepening our community-focused operations and aiming for further evolution of “food, housing, and comfort” both domestically and internationally.

中四国支店を新設。

Established Chugoku & Shikoku Branch.

中四国支店を設置

Established the Chugoku & Shikoku Branch

LA VISTA Atami Terrace（Shizuoka） : Kyoto Omuro Kadensho (Kyoto) : Dormy Inn Chitose (Hokkaido)