List of DCS vendors From Wikipedia, the free encyclopedia This is a list of departure control system vendors. Res2 (iPort DCS) ORS DCS ABB Ltd ACCELaero Amadeus Emerson Electric Co. General Electric Co. Hitit Computer Services Honeywell International Inc. Invensys John Keells IT Mitsubishi Heavy Industries Siemens SITA Travel Technology Interactive Yokogawa Electric Corporation Related Articles