KBR, Inc. provides scientific, technology, and engineering solutions to governments and commercial customers worldwide. It operates through Government Solutions and Sustainable Technology Solutions segments. The Government Solutions segment offers life-cycle support solutions to defense, intelligence, space, aviation, and other programs and missions for military and other government agencies in the United States, the United Kingdom, and Australia. Its services cover research and development, advanced prototyping, acquisition support, systems engineering, cyber analytics, space domain awareness, test and evaluation, systems integration and program management, global supply chain management, and operations readiness and support, as well as command, control, communications, computers, intelligence, surveillance, and reconnaissance services. This segment also provides various professional advisory services to the defense, renewable energy, and critical infrastructure sectors. The Sustainable Technology Solutions segment operates portfolio of various proprietary process technologies for ammonia/syngas, chemical/petrochemicals, clean refining, and circular process/circular economy solutions. This segment also provides synergistic services, including advisory and consulting focused on broad-based energy transition and net-zero carbon emission solutions; high-end engineering, design and program management centered around decarbonization, energy efficiency, environmental impact and asset optimization; and digitally-enabled operating and monitoring solutions. KBR, Inc. was founded in 1901 and is headquartered in Houston, Texas.