As one of the largest privately held firms in America, Yale Enforcement Services is dedicated to providing our clients with the leading physical security , life safety and remote video intrusion detection solutions. Our security , technology and managed… Security Guard Services Los Angeles jobs in orlando florida… Computer Sciences Raytheon (CSR), a joint venture of CSC and Raytheon Services Company, is the preeminent space launch range technical services provider. Since 1988 CSR has operated and maintained the instrumentation systems of the United States Eastern….