Best Buy Co. Inc. founder Richard Schulze has tapped at least four top private equity firms to help finance his $8.8 billion plan to buy the company.

• Apollo Global Management, New York. Assets under management: $105 billion.

• KKR & Co., New York. Assets under management: $61.5 billion.

• TPG Capital, Fort Worth, Texas. Assets under management: $51.5 billion.

• Leonard Green & Partners, Los Angeles. Assets under management: not available.

Source: Companies