Critics said the agency did not appear to have learnt any lessons from the controversies it suffered over similar raids in 2021 and 2022.
The commission said the suspects would be charged to court upon conclusion of investigations.
The defendants pleaded guilty to the charges preferred against them by the commission.
The Olubadan of Ibadanland, Olalekan Balogun, has pledged his support to the EFCC in tackling illegal mining activities in Ibadan and other parts of the country.
Items recovered from the suspects include eight exotic cars, laptops, phones and various electronic gadgets of different brands.
