Cisco Systems, Inc. (NasdaqGS:CSCO) acquired Piston Cloud Computing, Inc. Posted on 06/03/2015 by Ron Klammer Posted in Mergers & Acquisitions Tagged Software Cisco Systems, Inc. (NasdaqGS:CSCO) acquired Piston Cloud Computing, Inc., a company which provides Piston OpenStack, a software that automates the orchestration of a private cloud environment on commodity servers.