National data collection agencies in nigeria?

I found this from a website. Hope it'll be useful for you..
Federal and State Ministries of Environment; Federal Office 5
of Statistics; Federal Ministries of Mines and Power; Petroleum Resources; Solid
Minerals; Federal Works; Agriculture and Rural Development; Water Resources;
Nigeria National Petroleum Company (NNPC); National Planning Commission;
National Electricity Power Authority (NEPA) - Energy Statistics; Research
Institutes, FMENV/University Linkage Centres; Environmental NGOs and so on..