E3/Sentinel, a NewSpring Holdings company, is a mission-focused services and solutions company headquartered in McLean, VA. Since E3 Federal Solutions and The Sentinel Company combined forces in 2018, E3/Sentinel works as a combined entity to draw upon their long histories of consistent growth and high performance in the federal services market. The company’s services and solutions are designed, tailored, and executed based on the experience both organizations bring from helping their Homeland Security, Defense, Intelligence, and Federal Civilian customers solve complex problems.

Our team of dedicated colleagues allow us to provide a wide range of skills and expertise along with unmatched delivery excellence while maintaining an innovative and entrepreneurial culture that is laser-focused on positive customer outcomes. The services and solutions we provide include: Program Management; Strategic Communications; Policy Analysis; Stakeholder Management; Acquisition Management; Systems Engineering and Technical Assistance; Facilities and Engineering Support; and Enterprise IT Service Management Solutions. Learn more at www.e3federal.com.

Principal Representative(s): Marty Mackes