Practice Areas and Products     ___________________________________________ Our five interrelated technology practice areas correspond to the organization of our technical teams including: Cognitive Engineering Practice Command and Control/GIS Practice Wireless and Mobile Solutions Practice Human-centered Research and Development Practice Software Engineering and Systems Integration Practice These practice areas provide research, development, testing, and engineering services to our clients. Our engagements range from quick turn-around analyses to multi-year R&D projects to long-term, indefinite-quantity support contracts. For the convenience of our Federal Government clients, we have a current GSA schedule. If you would like additional information about contract vehicles available or have a specific question about doing business with CHI, please contact us. CHI Systems also offers a range of innovative products, from off-the-shelf solutions to powerful development tools.