In addition to Be Quiet!, Thermaltake has announced its own list of Haswell-compatible PSUs. The majority of high end Thermaltake power supplies will work with Haswell and its new sleep states. Further, all of the current generation high-end and mid-range Thermaltake power supplies are compatible with the new CPUs.
Power supplies in the Toughpower, EVO, and Smart M family are compatible with Haswell. Specifically, the chart below details which specifc models are compatible with Haswell and the new C6 and C7 low power sleep states.
The following companies have also listed Haswell-compatible power supplies: