TDK Technologies is a woman-owned IT enterprise serving businesses in O'Fallon and the surrounding areas. Its computer engineers provide software development services aimed at improving business performance. It designs software architecture utilizing the latest technologies like Java, CSS, HTML5, Seam, Prime Faces, and JSF. The company also offers other services, such as web and mobile development, program management, UI/UX design, quality assurance, and business analysis. It has completed various projects, including locator applications, online portal improvements, pharmacy management systems, and rewards platform development.