The officials had collected details about the bank accounts of Hospet-based ILC Company, Swastik Steels, Lakshmi Venkateshwara Minerals and G G Mining Company and their respective directors on their last visit.
On Tuesday, the officials opened the bank lockers in the presence of the directors and officially noted down the contents of the lockers.
They also opened the bank accounts of Ali Khan and other close associates of Tourism Minister Janardhana Reddy in Bellary.