The membership of the Washington Association of County Officials (WACO) includes elected county assessors, auditors, clerks, coroners and medical examiners, prosecuting attorneys, sheriffs, treasurers and comparable appointed officials in charter counties. WACO is a non-profit, nonpartisan organization. WACO works closely with the affiliate organizations for every executive level county official in Washington's 39 counties. These affiliate associations meet throughout the year, bringing colleagues together to discuss issues of common interest and to exchange ideas and opinions. WACO also provides college tuition scholarships to eligible children of WA State County Employees.