Another 10 people have appeared in court after arrests during an undercover police operation called Irondale.
Yasser Adalat, 29, of Milton Place, Halifax, appeared by video link at Calderdale Magistrates’ Court.
He is facing eight charges of supplying class A drugs.
Bilal Ahmed, 36, of St Augustine’s Terrace, Halifax, faces nine charges of being concerned in the supply of class A drugs, and another two of supplying heroin.
Ansar Ali, 35, of Harvest Court, Halifax, faces two charges.
His first is being concerned in the supply of heroin and another of cocaine.
All three will appear at Bradford Crown Court on June 3.
Damian Francis, 29, of Bracewell Grove, Halifax appeared facing three charges of supplying a class B drug, possessing cannabis with intent to supply and having criminal property.
Nadeem Adalat, 25, of Mayfield Terrace South, Halifax, faced 19 counts of being concerned in the supply of class A drugs.
Bilal Mushtaq, 25, of Shalimar Street, Pellon, Halifax, faces 27 charges relating to supplying class A drugs.
Waseem Adalat, 24, of Mayfield Terrace, Halifax, all face two counts, one of being concerned in offering to supply and posessing cannabis.
Louise Amanda Burn, 44, of Banksfield Avenue, Mytholmroyd, faces one charge of being concerned in the supply of heroin.
Brian Slack, 47, of Market Street, Halifax, faces 10 charges of supplying class A drugs.
They will all next appear at Bradford Crown Court on June 10.
Zaheer Hussain, 26, of West View, Hopwood Lane, Halifax, faces 12 charges over supplying class A drugs. He was given unconditional bail to appear at Bradford Crown Court on May 24.