Nigerian energy tycoon Olakunle Williams's Tetracore crosses 1 million safe man-hours
Billionaires Africa | 18.08.2026 22:30
Olakunle Williams's Tetracore Energy Group has worked 1 million cumulative man-hours without a single lost-time injury, fatality, permanent disability, restricted work case or occupational illness, a safety milestone the Nigerian energy entrepreneur cast as central to the company's rapid expansion.
