Qatar Investment & Projects Development Holding Co., W.L.L. is a holding company, which through its subsidiaries focuses on real estate, construction, oil and gas, trading and services, and financial sectors. The company's subsidiaries include Tornado Company, Qipco Residential Compound, MIDMAC Contracting Co., W.L.L., Mannai Corporation, and Investment House. Its partners include Siemens, General Motors, Cisco, and Transfield. Qatar Investment & Projects Development Holding Co., W.L.L. was founded in 1999 and is based in Doha, Qatar.