Active Bank Account details of Corporates for a research project in African Countries

I'm collecting publicly available Bank Account details of corporates (not individuals) for a research project on account numbering. I want someone to assist with collecting at least 2 active account numbers from the each of the Top 10 banks of the following countries: Tanzania, Zambia, Kenya, Ghana, Nigeria, Ethiopia, South Africa.

Expected Delivery: ASAP
Must Have: The source website URI from which each data is sourced must be included