RTSync specializes in Modeling and Simulation-based Research and Development services for complex information technology infusion into government and industry. RTSync's expertise and services include the DEVS-based M&S framework, software environment, and methodologies for test and evaluation of distributed systems. DEVS(Discrete-Event Systems Specification) is the highly recognized M&S framework and has evolved with state-of-the-art technology over many years. RTSync is in a unique position as a sole provider of consulting services based on DEVS methodology.

RTSync has developed DEVS-based applications and solutions in the areas of Interoperability Testing and Evaluation, Standards Conformance Testing, Logistics and Supply Chain, Manufacturing, Healthcare Systems, and mission critical national security.

MS4 Systems, RTSync subsidiary implements and brings to market advanced DEVS modeling and simulation toolset, MS4 Me.