AACE International

International   professional society for cost estimators, cost engineers, schedulers project   managers, and project control specialists. 

International Cost Engineering   Council

The International   Cost Engineering Council (ICEC) is an nonpolitical and nonprofit organization   which was founded in 1976 with the object of promoting cooperation between   national and multinational cost engineering, quantity surveying and project   management organizations worldwide for their mutual wellbeing and that of their   individual members. 

Project Managment Institute

 

Construction Industry   Institute

CII is a consortium   of leading owners, engineering and construction contractors, and suppliers who   have a singular mission: to improve the cost effectiveness of the capital   facility project life cycle, from pre-project planning through completion and   commissioning. By collaborating on important industry issues and by providing   guidance on best practices discovered through research, the CII members are   collectively an industry forum for the engineer-procure-construct   process.