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Advanced Resources International, founded in 1991, is one of the leading technology development and oil and gas consulting firms specializing in emerging resources, exploration and production technologies. It provides oil and gas consulting services in geophysics, petroleum engineering and strategic planning. It also specializes in the unconventional natural gas resources, such as tight sands, coalbed methane and gas shales. It conducts research on exploration methods for tight formations, high-resolution reservoir characterization, well stimulations, production enhancement evaluations and carbon doixide sequestration in geologic formations. ARI develops specialized modeling software for the oil and gas industry and provides standard and customized training on reservoir engineering and production enhancement. It has offices in Arlington, Va., Houston and Denver.

Founded in 1972, Schafer Corporation provides a range of scientific analysis and engineering services. It offers research, development and evaluation solutions. The employee-owned company serves clients in the defense, space and energy industries. Schafer Corporation operates a subsidiary, 3D Research. Its clients include ASRC Communications, Booz Allen Hamilton, General Atomics, Metatech Corporation and Orbital Sciences Corporation. It also maintains laboratories, technology management, systems engineering and integration, and space and directed energy divisions. The company provides space control, precision machining, microfabrication and inertial confinement fusion services. Schafer Corporation operates in more than five U.S. states. In addition, it offers an airborne laser program. The company is a part of Schafer Intermediate Holdings.

GHT Limited is a full-service engineering firm. It offers a range of mechanical engineering services, such as indoor air quality assessment and heating, ventilation and air conditioning. The firm provides various electrical engineering solutions, including energy analysis and systems integration. GHT Limited also offers several telecommunication design services, such as voice infrastructure, network cabling and campus planning. The firm provides audiovisual design and plumbing engineering solutions. It offers architectural, interior and exterior lighting, as well as computer modeling services. GHT Limited provides inspection, systems commissioning and utility master planning solutions. It has completed projects for Wyndham Washington Hotel and Parc Somerset Condominium Project. The firm serves the educational, hospitality, health care and government sectors.