Madison Dearborn Partners, a private equity investment firm, has purchased Unison, a supply chain software provider, from Carlyle.

Unison provides procurement and contract management software to U.S. government agencies.

“We are thrilled to welcome our new partners from MDP and look forward to their support as we continue to execute our strategy to provide innovative and reliable software solutions for federal organizations and government contractors,” said Reid Jackson, CEO of Unison. “MDP brings a wealth of experience and additional financial resources that will allow Unison to accelerate our growth and deliver world-class software products to meet the evolving needs of our customers.”

Baird is serving as financial advisor, Latham & Watkins LLP is providing legal counsel, and PwC is providing financial advisory services for Unison and Carlyle. Lincoln International is acting as financial advisor to MDP, while Kirkland & Ellis LLP and Crowell & Moring LLP are providing legal counsel for MDP. Committed financing for the transaction has been provided by Antares Capital.