Current members
National members
- Argentina, CPIC
- Brazil, CONFEA
- Bolivia, Sociedad de Ingenieros de Bolivia
- Cape Verde, Ordem dos Engenheiros do Cabo Verde
- Costa Rica, Colegio de Ingenieros Civiles
- Colombia, Sociedad Colombiana de Ingenieros
- Cuba, Unión Nacional de Arquitectos e Ingenieros de la Construcción (UNAICC)
- Cyprus Council of Civil Engineers / Cyprus Turkish Engineers & Architects
- Domenican Republic, Colegio Dominicano de Ingenieros, Arquitectos y Agrimensores (CODIA)
- Greece, Association of Civil Engineers (ACEG)
- Honduras, Colegio de Ingenieros Civiles de Honduras (CICH)
- Kuwait, Kuwait Society of Engineers (KSE)
- Italy, Consiglio Nazionale degli Ingegnere (CNI)
- Maldives, Association of Maldivian Engineers (AME)
- Méjico, Federación de Colegios de Ingenieros Civiles (FECIC)
- Nigeria, Nigerian Institution of Civil Engineers (NICE)
- Portugal, Ordem dos Engenheiros
- Puerto Rico, Colegio de Ingenieros y Agrimensores
- Spain, Colegio de Ingenieros de Caminos (CICCP)
- Tanzania, Institution of Engineers (IET)
- Turkey, Turkish Chamber of Civil Engineers
- Zambia, Engineering Institute of Zambia
- Zimbabwe, Zimbabwe Institution of Engineers
International members
- European Council of Civil Engineers (ECCE)
- Africa Engineers Forum (AEF)
- Conselho das Associações Profissionais de Engenheiros Civis dos Países de Língua Oficial Portuguesa e Castelhana
Associate members
NGOs and Academic Institutions:
Corporate
Plus a number of Individual Professionals