Gannett Fleming is an architecture, engineering, and construction (AEC) firm that provides planning, design, and technology services across various sectors. The company offers services including construction management, engineering, and information technology solutions for infrastructure development. Gannett Fleming operates in sectors such as transportation, water resources, power and energy, and buildings. It was founded in 1915 and is based in Camp Hill, Pennsylvania.

Corgan operates as an architecture and design firm focused on creating spaces for clients across various sectors. The company provides services including architecture, interior design, master planning, and consulting for aviation, branding, climate sustainability, and workplace environments. Corgan serves sectors such as aviation, education, healthcare, hospitality, mixed-use developments, multifamily residential, and office spaces. It was founded in 1938 and is based in Dallas, Texas.

Ayers Saint Gross is an interdisciplinary design firm specializing in architecture, planning, landscape architecture, and interior design across various sectors. The company provides services including campus planning, interior spaces, and environmental graphic design, focusing on functional and narrative-driven designs. Ayers Saint Gross primarily serves the higher education, cultural, health sciences, and commercial mixed-use sectors. It was founded in 1912 and is based in Baltimore, Maryland.

Perkins Eastman operates as a global architecture and design firm involved in architectural design, interior design, and urban planning. The firm serves sectors including healthcare, education, commercial, residential, and transportation. It was founded in 1981 and is based in New York, New York.

HOK operates as a global firm specializing in design, architecture, engineering, and planning within various sectors. The company offers architectural design, engineering, urban planning, and interior design, all aimed at creating spaces. HOK primarily serves sectors such as healthcare, corporate, science and technology, and sports and recreation. It was founded in 1955 and is based in Saint Louis, Missouri.

Taylor-DeJongh is an investment banking firm that provides strategic, project finance, and corporate advisory services within the energy and infrastructure sectors. The company offers financial planning and analysis, as well as advisory services for projects including oil & gas, power, transportation, and water & desalination. The firm serves clients in the energy and infrastructure investment banking domains, including project developers, banks, investors, agencies, and governments. It was founded in 1981 and is based in Washington, DC.