Six people have been charged after a million-dollar drug bust by police.

After receiving reports of suspicious activity at a commercial property, Hamilton Police's HEAT Unit executed a search warrant at 115 Hempstead Dr. (units 5 and 6) Wednesday evening, where they busted a large-scale marijuana harvesting operation.

At a press conference Thursday, Det. Sgt. Dave Beech said they believe the marijuana was also grown at this address but was in the processing stage at the time of the bust.

A large sample of the haul was laid out on display at the press conference, including dozens of sealed packages and two large paper yard waste bags and a garbage bag full of the leafy drug.

There were "hundreds of pounds" of the drug seized, which Beech estimates to be worth more than a million dollars. In addition, officers found evidence of cocaine trafficking, cash and ammunition.

He wouldn't say whether they believe the operation is linked to organized crime.

He said the investigation had not been on very long before the warrant was executed, but he declined to say whether it was days, weeks or months.

The building owner, according to property records, did not return calls from the Spectator Thursday. It's unclear whether there were tenants or if the units were vacant.

According to a lease listing online for 115 Hempstead Dr, units 5 and 6 are described as having a clean warehouse with front offices and two drive-in doors.

Charged with various drug-related offences including producing marijuana and possession for the purpose of trafficking marijuana, cocaine, and cannabis resin are:

Sean Bixby, 33, Adam Carroll, 29, Edward Jankowski, 49, Shane Williamson, 27, Scott Cook, 38 and Wade Larock, 45.

They were scheduled to appear in court on Thursday.