Carlyle Group LP and Hellman & Friedman LLC were among several private equity firms that had been competing for One Call Care Management Inc. The medical cost containment services firm was put on the block valued more than USD1.5 billion. This was according to four people who had been familiar with matter.

Four other PE firms were also running for One Call. These include Advent International Corp, General Atlantic LLC, Apax Partners LLP and Berkshire Partners LLC. The same sources said that the private equity firms had conducted several meetings starting this month.

Jefferies Group was appointed to handle the sale process of One Call, said sources that told Reuters in July. One Call is owned by Odyssey Investment Partners LLC. The sources asked not to be identified as the sale process was held private in nature.

A representative for One Call was not available to immediately comment on the matter.