"Operation Crust was an innovative approach to a problem, aimed at preventing future harm in the community allegedly inflicted by these individuals and their associates," Detective McKay said. "Feilding is a close-knit and supportive community and the impact of this operation will be felt across the Manawatu."
He said a process to restrain assets was also underway.
"Police Liaison Officers will be working with the families of those involved moving forward. Police staff have worked relentlessly on this operation, using a unique approach to end a cycle of reoffending.
"This operation serves as a reminder of the ambitious targets Police has set and intends to achieve. As well as reducing reoffending, Police aims to reduce serious crime victimisations by 10,000 by 2021."
Anyone with information regards criminal activity in their area is encouraged to contact their local Police, or call Crimestoppers on 0800 555 111.