• A 28-year-old man facing charges including supply of a Class A controlled drug and three counts of selling a Class C controlled drug.
• A 24-year-old man facing six counts of selling a Class C controlled drug, four counts of offering to supply, possession for supply of a Class C drug and failing to carry out obligations in relation to a computer search.
• An 18-year-old man faces charges relating to selling a Class C controlled drug, possession for supply of a Class B and C drug and failing to carry out obligations in relation to a computer search.
Police have seized cannabis and MDMA as well as thousands of dollars in cash in the raids.
Brand said there were still a number of inquiries under way and further arrests were likely as part of the operation.
"We are reminding any business owner who may be turning a blind eye to drug dealing or facilitating this illegal behaviour at their premises that they could be liable," he warned.
"Our message is simple: If you enable this kind of behaviour – expect to come to the attention of police."