John Michael Gustke

T20 Holdings Ltd. develops, designs, and builds globally relevant power generation solutions, supporting the clients with the transition to cleaner energy by developing its own energy focused projects. It provides contracting consulting and construction services. The company was founded by Nathan P. Daly in March 3, 2022 and is headquartered in Singapore.

Black & Veatch Holding Co. engages in the provision of engineering, consulting, and construction services. It offers asset management, environmental, master planning, performance management, program and risk management, operations and maintenance, and procurement. The company was founded by Ernest Bateman Black and Nathan Thomas Veatch in 1915 and is headquartered in Overland Park, KS.

PT Satyamitra Surya Perkasa is a construction company based in Jakarta, Indonesia. The Indonesian company specializes in civil, mechanical, and electrical work.