COSTA MESA, Calif. & DIBOLL, Texas--(BUSINESS WIRE)--Astro Pak LLC (“Astro Pak”), a portfolio company of The Stephens Group, LLC (“Stephens Group”), is pleased to announce its acquisition of Frontline Global Services, Inc. (“Frontline”), a provider of comprehensive cleaning and reliability solutions for industrial and commercial equipment. The acquisition expands Astro Pak’s field service capabilities and increases the total number of locations …