| 2016-03 |
Opening of Carl's Jr. first store in Akihabara, Tokyo (March) |
| 2016-04 |
Start of household electricity supply |
| 2016-04 |
Subsidiarization of Coco Store Retail by Mitsuuroko Varege (now Mitsuuroko Provisions) (April) |
| 2016-04 |
Succession of Mitsuuroko Varege's water business to Katsu Water (now Mitsuuroko Varege) (April) |
| 2017-04 |
Mitsuuroko Group Holdings acquires all shares of Sweet Style (April) |
| 2017-10 |
Energy retail division of Mitsuuroko Corporation is succeeded by Mitsuuroko Vessell Inc., Tohoku, Chubu, and Kansai branches through company split (October) |
| 2017-10 |
MG Store No.1 Kono Kiso Sangen Park Store opens (October) |
| 2017-11 |
Completion of La Bayeul Azabu-Juban, a commercial and residential complex (November) |
| 2018-04 |
Memorandum signed with Taiwan local subsidiary (April) |
| 2018-05 |
Start of large-scale domestic pilot for LP gas delivery efficiency in Nagoya (May) |
| 2018-05 |
Acquisition of all shares of Sanyu Inc. (May) |
| 2018-07 |
Investment in Reverator Inc., the largest domestic camper rental industry company (July) |
| 2018-08 |
Montabo main store in Azabu-Juban renovated and reopened (August) |
| 2018-08 |
Final contract signed for the establishment of Japan Energyic joint venture (August) |
| 2018-10 |
Energy wholesale division of Mitsuuroko Corporation succeeded by Mitsuuroko Vessell Inc., Tohoku, Chubu, and Kansai branches through company split (October) |
| 2018-10 |
Triforce Inc. ceases to exist through absorption merger, and its business is absorbed by Mitsuuroko Inc. (October) |
| 2018-10 |
Logi Trile Holdings established as a holding company for logistics-related businesses (October) |
| 2019-01 |
Merger of Mitsuuroko Provisions and Mitsuuroko Groceries (formerly Coco Store Retail) (January) |
| 2019-04 |
Start of commercial service providing LP gas meter information using IoT (April) |
| 2019-04 |
Start of city gas business service sales through a business alliance with Tokyo Electric Power Energy Partner Co., Ltd. (April) |
| 2019-05 |
Mitsuworoko Oil Co., Ltd. changes its company name to Mitsuworoko Drive Co., Ltd. (May) |
| 2019-06 |
Signing of a strategic business alliance agreement with Siam Gas & Petrochemicals (June) |
| 2020-06 |
Mitsuworoko Beverage Co., Ltd. acquires food safety management standards (June) |
| 2020-10 |
Establishment of overseas subsidiary Triforce Investments Pte. Ltd. (October) |
| 2021-02 |
Identification of sustainability key issues (materiality) (February) |
| 2021-04 |
Mitsuworoko Vessel Co., Ltd. as surviving company, absorbs Mitsuworoko Energy Force Co., Ltd. (April) |
| 2021-05 |
Establishment of Mitsuworoko Sports Co., Ltd. to contribute to the community through facility management and sports, and support for athletes (May) |
| 2021-07 |
Launch of demand response services at Mitsuworoko Green Energy Co., Ltd. (July) |
| 2021-08 |
Establishment of Motomachi Coffee Co., Ltd. and succession of Motomachi Coffee business from Sweet Style Co., Ltd. through absorption division (August) |
| 2021-09 |
Signing of a contract for the transfer of all issued shares of General Storage Company by TRIFORCE INVESTMENTS (September) |
| 2021-10 |
Launch of the |
| 2021-11 |
Acquired all shares of Shizuoka JEFoods Co., Ltd. (now: Shizuoka Mitsuuroko Foods Co., Ltd.) and made it a subsidiary (November) |
| 2021-11 |
Acquisition of rental property "BlancCiel NISHIJIN" (November) |
| 2022-04 |
Transition to the new market segment "Standard Market" on the Tokyo Stock Exchange (April) |
| 2022-04 |
Change of trade name from Mitsuuroko Voyagers Co., Ltd. to Mitsuuroko Foods Co., Ltd. (April) |
| 2022-04 |
Name changes of regional companies: Hokkaido Mitsuuroko Co., Ltd. to Mitsuuroko Vessell Hokkaido Co., Ltd., Yamanashi Mitsuuroko Co., Ltd. to Mitsuuroko Vessell Yamanashi Co., Ltd., Minami Fuel Co., Ltd. to Mitsuuroko Vessell Kusatsu Co., Ltd., Kamihara Mitsuuroko Co., Ltd. to Mitsuuroko Vessell Shikoku Co., Ltd. (April) |
| 2022-06 |
Opening of Mitsuuroko Administrative Center "Nagano Office" (June) |
| 2022-09 |
Acquisition of rental properties "Plasio Hirao" and "View Heights Takayama" (September) |
| 2022-11 |
Expressing support for TCFD recommendations and participating in the consortium (November) |
| 2022-12 |
Mitsuworuko Engineering Co., Ltd. changed its trade name to Mitsuworuko Tech Co., Ltd. and became a subsidiary (December) |
| 2023-04 |
Mitsuworuko Vessel Tohoku Co., Ltd. as the surviving company, absorbed Ichihara Mitsuworuko Co., Ltd. (April) |
| 2023-04 |
Golf lesson studio "EIGHT ANGLE" opens (April) |
| 2023-08 |
Acquisition of rental real estate "Oju Takayama" (August) |
| 2023-09 |
Operation of system storage battery (Mitsuworuko Aichi Prefecture Tahara Storage Battery) begins (September) |
| 2023-10 |
EC business fully renewed as "Mitsuworuko Avenue" (October) |
| 2023-12 |
Operation of system storage battery (Mitsuworuko Miyagi Prefecture Sendai Storage Battery) begins (December) |
| 2024-04 |
Mitsuworuko Vessel Tohoku Co., Ltd. merged with Mutsu High-Pressure Gas Co., Ltd. (April) |
| 2024-04 |
Mitsuworuko Provisions Co., Ltd. merged with Sweet Style Co., Ltd. (April) |
| 2024-04 |
Motomachi Coffee Co., Ltd. changed its company name to Mitsuworuko Partners Co., Ltd. (April) |
| 2024-04 |
Mitsuworuko Tech Co., Ltd. started domestic cultivation of coffee beans (April) |
| 2024-04 |
Mitsuworuko Tech Co., Ltd. started drone service business (April) |
| 2024-06 |
Mitsuworuko Green Energy Co., Ltd. Hokkaido branch opening (June) |
| 2024-07 |
Business transfer of Carl's Jr. Japan Co., Ltd.'s burger restaurant business (July) |
| 2025-03 |
Established a joint venture "Mitsuworuko EBM" with EBM Co., Ltd. (March) |
| 2025-03 |
TRIFORCE INVESTMENTS PTE.LTD. is a Singapore-based solar power development company |
| 2025-03 |
Business alliance with SunPro Energies Pte.Ltd. (March) |