Audax Private Equity and LLR Partners have completed the sale of Numotion to AEA Investors and Numotion management, according to a news release.

Numotion, based in Brentwood, Tenn., is a provider of configured, medically necessary mobility products and services. Numotion serves more than 250,000 customers across 140 locations with more than 2,500 employees.

Terms of the transaction were not disclosed.

Audax, with private equity offices in Boston and San Francisco, was founded in 1999. It targets investments in middle-market companies in many sectors, including healthcare.

LLR Partners, based in Philadelphia and founded in 1999, is a middle-market private equity firm that invests in several industries, including healthcare.

AEA Investors, with U.S. offices in New York and Stamford, Conn., includes a middle-market private equity team established in 1968 that seeks to make controlling investments of more than $100 million in businesses headquartered in North America and Europe.