This document describes EGNIYA-EWTS, a company that develops electronic warfare algorithms and simulators. Their products include EWTS for applications like radar warning receivers. They develop algorithms for direction of arrival/angle of arrival estimation and spectral estimation using methods like MUSIC and ESPRIT. They also create ELINT, SIGINT, and COMINT application software. One of their tools is the EEH 1100A Space Time Signal Environment Simulation Platform for modeling 2D and 3D signal environments for these applications and algorithm development.