The Economic and Financial Crimes Commission (EFCC) on Monday filed additional 15 criminal charges against Jide Omokore and others.
Among the others include two of his companies: Atlantic Energy Brass Limited and Atlantic Energy Drilling Concept Limited, Victor Briggs and Membere Abiye.
The charges was filed in their on-going trial before Justice Nnamdi Dimgba of the Federal High Court, Abuja.
They pleaded not guilty to the charges when they were read out to them on Monday.
Omokore is an associate of former minister of petroleum resources, Diezani Alison-Madueke.
He and the other defendants are facing nine-count amended charges from the EFCC that border on alleged money laundering and procurement fraud to the tune of $1.6 billion.