surveil communications of all mobile devices in their vicinity, including those of individuals not suspected of any crimes. Harris have been criticized by civil rights advocates for requiring local municipalities, police and state governments to enter into non-disclosure agreements (NDA) and to conceal usage of these platforms from citizens and the courts. Such NDA may violate public record and open access laws. The ACLU, Electronic Privacy Information Center (EPIC), Electronic Frontier Foundation (EFF) filed two successful civil lawsuits over denied Freedom of Information Act (FOIA) requests and violations of the public records laws of Florida. In September 2014, as a result of successful litigation, ACLU received documents and emails between Harris Corporation and the Federal Communications Commission relating to FCC approval of Harris' surveillance systems. ACLU then sent a letter to FCC stating, in their view, Harris misled FCC Office of Engineering and Technology staff during the regulatory review process by falsely claiming the systems were only used in emergency situations and not criminal investigations. In 2006, Harris employees directly conducted wireless surveillance using StingRay units on behalf of the Palm Bay Police Department—where Harris has a campus—in response to a bomb threat against a middle school. The search was conducted without a warrant or judicial oversight. In 2015, Santa Clara County withdrew from contract negotiations with Harris for StingRay units, noting the reason was the onerous restrictions imposed by Harris on what could be released under public records requests. List of Harris acquisitions Farinon (1980) Datacraft Corporation (1974) T.W. & C.B. Sheridan Company (1964) PRD Electronics (1959) Gates Radio (1957) Intertype Corporation (1957) which led to the change of name from Harris-Seybold to Harris-Intertype Corporation. Lanier Business Products, Inc. (1983) Exelis Inc. (2015) Carefx (2011) Schlumberger Global Communications Services (GCS) Division (2011) CapRock Communications (2010) SignaCert (2010)* SolaCom ATC Solutions (2009) Tyco Electronics (MA-COM) Wireless Systems (2009) Crucial Security, Inc. (2009) Zandar Technologies Ltd. (2007) Multimax (2007) Aastra Digital Video (2006) Optimal Solutions, Inc. (2006) Leitch Technology (2005) Orkand Corporation (2004 – Now Harris IT Services) Encoda Systems (2004) ImageLinks, Inc. (2004) Hirschmann Multimedia Communications Network (2001) Exigent International, Inc. (2001) Wavtrace, Inc. (2000) Lucent Technologies' Point-to-Point Microwave Business (2000) Louth Automation (2000) Audio Broadcast Group, Inc. (1999) Pacific Research & Engineering Corporation (1999) CHOICE Microsystems (1999) Intraplex, Inc. (1999) Agfa Copying Systems, Inc. (1998) Trans-Comp, Inc. (1998 – Spun off with Lanier Worldwide) Northeast Broadcast Lab (1997) NovAtel