Owner: Transco Consultants: Shankland Cox Contractor: Seidco General Contracting Co. LLC Description Transco, the Abu Dhabi Transmission and Despatch Company is a wholly government owned part of the Abu Dhabi Water and Electricity Authority (ADWEA). TRANSCO’s core business is the planning, construction and operation of a safe, reliable and efficient water and electricity transmission network within Abu Dhabi and, where required, the UAE.