GSE Systems, Inc. provides simulation and educational solutions and services to nuclear and fossil electric utility, and chemical and petrochemical industries in the United States, Europe, and Asia. It also provides plant monitoring, and signal analysis monitoring and optimization software to the power industry. The company power simulation products include Java Applications & Development Environment that allows to access simulator and run simulation scenarios from anywhere they have access to the Web; eXtreme Tools, a suite of software modeling tools developed under the Microsoft Windows environment; RELAP5 R/T HD, which enables the engineers to understand and control various internal functions of RELAP5, a safety analysis code; SimExec and OpenSim, which are real-time simulation executive systems that control real-time simulation activities and allow an off-line software development environment; and SmartTutor, a software for instructor stations. Its power simulation products also comprise eXtreme I/S that allows the use of Microsoft Word and PowerPoint to control the simulation environment; Pegasus Surveillance and Diagnosis System, a software package for semi-automatic plant surveillance and diagnostics; and SIMON, a computer workstation system to monitor the stability of boiling water reactor plants. The companys product also includes SimSuite Pro package for operator training and validating the plant design logic and control. In addition, it offers consulting, application engineering, project management, training, maintenance contracts and repair, and site services. The company has strategic alliances with All Russian Research Institute for Nuclear Power Plant Operation; Kurchatov Institute; Risk Engineering Ltd.; Samsung Electronics; Sinopec Ningbo Engineering Company; Toyo Engineering Corporation; and Westinghouse Electric Company LLC. GSE Systems, Inc. was founded in 1994 and is headquartered in Sykesville, Maryland.