42 Consulting in the field of information technology and design of information technology systems services in the fields of supervisory control and data acquisition (SCADA), programable logic controllers (PLC), security systems in the nature of closed circuit TV systems for security and surveillance, access control monitoring systems, and alarm monitoring systems, public address systems and voice alarm systems, fixed and wireless data networks telecommunications, and automated transportation systems, all of the foregoing within the airport terminal and train station terminal industries; Software design and development in the fields of supervisory control and data acquisition (SCADA), programable logic controllers (PLC), security systems in the nature of closed circuit TV systems for security and surveillance, access control monitoring systems, and alarm monitoring systems, public address systems and voice alarm systems, fixed and wireless data networks, telecommunications, and automated transportation systems, all of the foregoing within the airport terminal and train station terminal industries