Who We Are EIS is a leading mid-tier solutions integrator providing Systems Engineering, Information Technology, and Program Management Office (PMO) services and solutions to the Federal Government for more than 20 years. What We Do EIS employs more than 350 professionals in 40 locations in over 25 states and OCONUS. EIS is an agile and dynamic company with relentless focus on customer mission success and delivering the best value to all our clients under all engagements.