Foxconn, and by extension Apple (although Foxconn manufactures products for many other companies) because the target of a New York Times expose that spotlighted the human cost of those cheap electronics Americans and Westerners are so fond of.
Apple's press release said that the FLA team will interview thousands of employees, inspect manufacturing facilities as welll as worker living quarters, and review the documentation of suppliers as it relates to policies and procedures.
The results of these first round audits will be published on the FLA website next month. Additional investigations later this spring will target other Apple suppliers, including Quanta and Pegatron.
It will also be interesting to see if any serious action is taken if issues are found. One thing that won't be happening: moving any of these jobs back to the U.S.