Muhammed Ahmed Khan, 36, of Lunedale Avenue, Middlesborough, was sentenced to 10 years for conspiracy to supply cocaine and conspiracy to possess criminal property.
Muhammed Hussain, aged 33, of Lemington Avenue, Halifax, was sentenced to 12 years for conspiracy to supply cocaine, conspiracy to supply cannabis, possession of a firearm without a firearm certificate, possession of a shotgun and possession of criminal property.
Mohammed Rana, aged 57, of Alwen Avenue, Huddersfield, was sentenced to five years for conspiracy to possess criminal property and fraud by false representation.
Joseph Ali, aged 27, of Highcroft Avenue, Blackpool, was sentenced to five years and 7 months for conspiracy to supply cocaine.