Yas Marina Circuit (structural contractor), as well as specialised subcontractors like Voltas (MEP), PKE-Siemens (MEP), Able-Middle East (earthworks), Hamilton International (interior) and Bau Bickhardt (track) to name a few. The circuit was constructed with a permanent lighting system provided by Musco Lighting, similar to that also installed at the Losail Circuit in Qatar. Yas Marina Circuit is the largest permanent sports venue lighting project in the world; previously that title was held by Losail. The surface of the track is made of graywacke aggregate, shipped to Abu Dhabi from a Bayston Hill quarry in Shropshire, England. The surface material is highly acclaimed by
Circuit of the Americas The circuit was the first in the United States to be purpose-built for Formula One. The layout was conceived by promoter Tavo Hellmund and 1993 Motorcycle World Champion Kevin Schwantz with the assistance of German architect and circuit designer Hermann Tilke, who has also designed the Sepang, Shanghai, Yas Marina, Istanbul, Bahrain, Yeongam, and Buddh circuits, as well as the reprofiling of the Hockenheimring and Fuji Speedway. The circuit has FIA Grade 1 license. In a news conference on July 27, 2010, Tavo Hellmund announced plans to build the track on about of undeveloped land in southeastern Travis County. The