SE Holdings & Incubations Co., Ltd. acts as a holding company with interests in publishing, software networking, and corporate services. It operates through the following segments: Publishing, Corporate Services, Software Networking, Training and Human Resources, and Investment Management. The Publishing segment engages in the publication and sale of computer -related books, technical materials, and references. The Corporate Services segment deals with the planning, marketing, and support services to the information technology-related companies. The Software Networking segment handles the development and sale of entertainment software, mobile phone applications, and web services. The Training and Human Resources segment operates a recruitment site and offers training in the information industry. The Investment Management segment deals with securities investment and real estate leasing. The company was founded on December 19, 1985 and is headquartered in Tokyo, Japan.