Those dudes have built a mega commercial enterprise where they control the supply of all construction materials in all of Western Kenya.
They also are the major wholesalers of any consumables.
They own most of the skyscrapers in Kisii town, and by that virtue, control most commercial and business rentals.
They are now moving aggressively into Residential Estates.
Their dad was a Councilman in the town and acquired several prime plots while they were going to school in Dallas.