Here is a local hatchery (local to me) which I just found out is for sale. This was taken from the commercial property multi-list:

'Be your own boss. Own your trout farm and supply sportsman's clubs and others in Pennsylvania. Flexible terms with down payment. Owner will consider partial exchange for real estate, partial financing and provide training. Price includes four out-buildings, stock, equipment, real estate, vehicles and training.Natural spring on site that generates 2,240 gallons of water per minute.'

Also found this:

Hatchery

Sounds like fun, eh?