Systems Engineering Consultants Co., LTD. (SEC) is a software developer that excels in real-time technology, a term referring to software systems designed to anticipate and record data input from non-reproducible events such as natural phenomena. Such events generally occur spontaneously, in a concentrated manner, or in an unpredictable order. Real-time technology systems need to be extremely reliable as they are routinely deployed in settings that require rapid responses, round-the-clock operation, or troubleshooting of non-reproducible events.It has built up expertise in testing to ensure these systems fully conform with the intended design specifications, and therefore excels in developing reliable systems that run fast and do not shut down.It derives the bulk of its revenue from contracted software development. As of FY03/22, the company operates in four business fields. It develops control systems for satellites and space probes, autonomous driving systems, and robotics systems in the Space, Robotics, and Advanced Technologies business field; transportation systems, defense systems, medical systems, environmental energy systems, and location information management services in the Public Infrastructure business field; mobile payment terminal systems in the Mobile Networking business field; and contactless IC card systems in the Internet Technology business field.