Lone Star Funds (“Lone Star”) today announced that an affiliate of Lone Star Fund XII, L.P. has entered into a definitive agreement to acquire Alliance Ground International (“AGI”), a leading North American airport services provider, from Greenbriar Equity Group and Audax Private Equity. Financial terms of the transaction were not disclosed. Founded in 1987 and headquartered in Miami, AGI operates in over 60 airports in North America with a workforce of more than 12,000 professionals. The com...