A long-running corruption investigation involving a mining company controlled by one of Israel’s richest men could yield up to a half-dozen indictments in the U.S., according to people familiar with the matter.

In a briefing last month, U.S. prosecutors told Guinean government officials that senior executives at BSG Resources Ltd. were among some of the people who could be indicted, according to people familiar with the meeting.

BSGR is the mining arm of Israeli billionaire Beny Steinmetz’s family-owned conglomerate.

The investigation involves allegations of bribery and obstruction of justice against people connected to BSGR and a deal the company struck in 2008 to win prized mining rights in Guinea’s Simandou mountain range, one of the world’s largest deposits of iron ore.

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