Posted in Aviation, Business & Finance, Engineering, Schools & Education AECO stands for Asociación de Empresas de la Construcción (Spanish construction association) AECO stands for Architecture, Engineering, Construction and Operations (built environment professions) AECO stands for Association of Arctic Expedition Cruise Operators (est. 2003) AECO stands for Alberta Energy Company (Canada) AECO stands for Academic Exchange and Collaboration Office (Hong Kong) AECO stands for Accredited Elevator/Escalator Certification Organization