Harris Williams, a global investment bank specializing in M&A advisory services, announces it advised ADB Companies, LLC and its affiliates (ADB), a leading turnkey provider of telecommunication and utility infrastructure solutions in the United States, on its sale to Warren Equity Partners (Warren Equity). ADB was previously part of the Keeley Companies family of companies. Rusty Keeley, CEO of the Keeley Companies, and Chad Johnson, CEO of ADB, will maintain significant equity stakes in ADB. Mr. Keeley and Mr. Johnson will continue as members of ADB’s board of directors, and Mr. Johnson will remain CEO of ADB. The transaction was led by Drew Spitzer, Matt White and Greg Waller of the Harris Williams Energy, Power & Infrastructure (EPI) Group.