CHICAGO--(BUSINESS WIRE)--D.A. Davidson & Co. announced today that it served as exclusive financial advisor to Alamo Group Inc. ("Alamo†) on its purchase of Petersen Industries, Inc. ("Petersen†). Alamo is a leading global manufacturer of high-quality industrial and vegetation management equipment. Petersen is an innovative manufacturer of truck-mounted grapple loader equipment. Petersen provides high-quality grapple truck loaders to governmental end-customers for the handling of bulky waste collection. ...