 And the House of Representatives has invited the Nigerian National Petroleum Corporation, NNPC, NIDA Delta Development Commission, NDDC, and many others before it in the investigation into the 2.6 million Nira debt owed by oil companies. Other bodies invited by the House Ad hoc Committee on the Recovery of Outstanding Debt Ode, the Federal Government, included the Federal Inland Revenue Service, Upstream Regulatory Commission, Midstream and Downstream Petroleum Regulatory Authority. Based on the report by the National Extractive Industries, 77 oil and gas companies operating in Nigeria were involved in the debt to the Federal Government.