Aca Solutions LLC

ManTech Information Systems & Technology Corporation, also known as MIST, is a subsidiary of ManTech International Corporation. It provides a range of design and technology solutions for government and corporate clients. The company handles issues related to cost, technology integration, training and business processes. ManTech Information Systems & Technology Corporation s clients include Internal Revenue Service, First Boston, Oxford Insurance and Microsoft Corporation. It also operates the Enterprise Integration Center, which specializes in interoperability, modeling, simulation and logistics applications. The company offers security engineering, messaging and knowledge management services. In addition, ManTech Information Systems & Technology Corporation utilizes software development tools to create user-centered applications.

Electronic Warfare Associates (EWA) is a rapidly growing broad-based information technology company. Founded in 1977, EWA has established a reputation for being fully responsive to its customers' changing needs, committed to quality and providing continuing support anytime and anywhere. The company s wide range of information technology applications is provided to a broad range of government and commercial customers, including the United States Department of Defense and all military services, national intelligence and law enforcement agencies, the National Aeronautics and Space Administration (NASA), international defense, security and banking organizations. Its products and services range from environmental management systems to complex military command and control systems, from digital signal processing to radar systems and from data visualization to information protection and assurance. EWA employs more than 1,000 people in eight operating units and associated activities around the world. The company is located in Herndon, Va.