diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/dao/impl/DriverDAO.java b/ass1-jpa/src/main/java/dst/ass1/jpa/dao/impl/DriverDAO.java
index 09c84da..869bd09 100644
--- a/ass1-jpa/src/main/java/dst/ass1/jpa/dao/impl/DriverDAO.java
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/dao/impl/DriverDAO.java
@@ -5,8 +5,12 @@ import dst.ass1.jpa.model.IDriver;
 import dst.ass1.jpa.model.impl.Driver;
 
 import javax.persistence.EntityManager;
+import javax.persistence.Query;
 import java.util.Collection;
 
+import static dst.ass1.jpa.util.Constants.M_DRIVER_ORGANIZATIONS;
+import static dst.ass1.jpa.util.Constants.Q_ACTIVE_IN_MULITIPLE_ORGANIZATIONS_DRIVERS;
+
 public class DriverDAO extends GenericDAO<IDriver> implements IDriverDAO {
     public DriverDAO(EntityManager entityManager) {
         super(entityManager, Driver.class);
@@ -14,6 +18,8 @@ public class DriverDAO extends GenericDAO<IDriver> implements IDriverDAO {
 
     @Override
     public Collection<IDriver> findActiveInMultipleOrganizationsDrivers(Long numberOfOrganizations) {
-        return null;
+        Query query = super.entityManager.createNamedQuery(Q_ACTIVE_IN_MULITIPLE_ORGANIZATIONS_DRIVERS);
+        query.setParameter(M_DRIVER_ORGANIZATIONS, numberOfOrganizations);
+        return query.getResultList();
     }
 }
diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Driver.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Driver.java
index 409a136..d0c9733 100644
--- a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Driver.java
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Driver.java
@@ -6,7 +6,18 @@ import javax.persistence.*;
 import java.util.ArrayList;
 import java.util.Collection;
 
+import static dst.ass1.jpa.util.Constants.Q_ACTIVE_IN_MULITIPLE_ORGANIZATIONS_DRIVERS;
+
 @Entity
+@NamedQuery(
+        name = Q_ACTIVE_IN_MULITIPLE_ORGANIZATIONS_DRIVERS,
+        query = "SELECT d FROM Driver d " +
+                "LEFT JOIN Employment e " +
+                "ON d.id = e.id.driver " +
+                "WHERE e.active = true " +
+                "AND e.since < DATEADD('Month', -1, CURRENT_DATE) " +
+                "GROUP BY e.id.driver HAVING COUNT(*) > :organizations"
+)
 public class Driver extends PlatformUser implements IDriver {
     @ManyToOne(targetEntity = Vehicle.class, optional = false)
     private IVehicle vehicle;