The International Council on Systems Engineering (INCOSE; pronounced in-co-see) is a not-for-profit membership organization and professional society in the field of systems engineering. INCOSE has about 17000 members including individual members, corporate members and student members. INCOSE's main activities include its conferences, publications, local chapters, certifications and technical working groups. The INCOSE International Symposium is generally held in July in the United States or another country, and the INCOSE International Workshop is held in January in the United States.