| 1983 | Feb. | Established as Nissho-Iwai Computer Systems Inc., wholly owned subsidiary of Nissho-Iwai Corporation |
|
1987 |
June | Changed name to Nissho-Iwai Infocom Systems Inc. |
|
1999 |
Apr. | Changed name to Nissho-Iwai Infocom Inc. |
| Established Infocom Services Inc. (presently Infocom Technologies Corporation) | ||
|
2000 |
Apr. | Changed name to INFOCOM CORPORATION |
|
2001 |
Mar. | Relocated the head office to Kanda Surugadai, Chiyoda-ku, Tokyo |
| Apr. | Merged with Teijin Systems Technology, wholly owned subsidiary of Teijin Limited | |
| June | Established Infocom America Inc. in the United States | |
|
2002 |
Mar. | Listed shares for trading on the over-the-counter market |
|
2003 |
Oct. | Established Infovec Inc. (Company name changed to Grandit Corporation in 2012) |
|
2004 |
Dec. | Listed shares for trading on the JASDAQ securities exchange |
|
2006 |
Mar. | Owned the data center in Yokohama City |
|
2008 |
July | Relocated headquarters to Jingumae, Shibuya-ku, Tokyo |
|
2010 |
Apr. | Listed shares for trading on the JASDAQ market of the Osaka Securities Exchange |
| Oct. | Listed shares for trading on the JASDAQ (standard) market of the Osaka Securities Exchange | |
|
2013 |
Apr. | Established Net Business Establishment Preparation Co., Ltd. (presently Amutus Corporation) |
| Acquired Radiology Division System Business from AJS Inc. | ||
| July | Listed shares for trading on the JASDAQ (standard) market of the Tokyo Stock Exchange | |
| Established Iwanuma Minna no Ie (Iwanuma City, Miyagi Pref.) | ||
| Oct. | Amutus Corporation launched operations | |
|
2014 |
Aug. | Established Fenox Infocom Venture Company V, L.P. in the United States |
|
2017 |
Aug. | Sold the data center in Yokohama City |
| Oct. | Established PT. GnB Accelerator Asia in Indonesia (presently PT. Infocom Global Indonesia) | |
|
2018 |
Nov. | Changed listing of shares to the First Section of the Tokyo Stock Exchange |
| 2021 | July | Established AmuLink Corp. by joint investment |
| Oct. | Converted MEDICAL CREATE Corp. to a group company | |
| Nov. | Relocated headquarters to Akasaka, Minato-ku, Tokyo | |
| 2022 | Jan. | Converted AlterBooth Inc. to a group company |
| Apr. | Transition to the Prime Market of the Tokyo Stock Exchange | |
| 2023 | Apr. | Converted J-MAC SYSTEM, INC. to a group company |
| 2024 | Oct. | Delisted from Prime Market in the Tokyo Stock Exchange |
| After the reverse stock split, all shares were acquired by INFOCOM HOLDINGS CORPORATION (presently), which is managed, advised or operated by Blackstone (including Blackstone Inc. and affiliates or other related entities) | ||
| 2025 | Apr. | INFOCOM CORPORATION absorbed and merged Grandit Corporation |
