PumpControl1 pc1A = new PumpControl1();
Repeat as necessary, like so:
PumpControl1 pc1B = new PumpControl1();
Like
CPalinni CPallini mentioned, you could put them into a List (or even a Dictionary so you could refer to them by name or numeric ID, or whatever). If you're going to do this, though, I would create a method that creates a single control instance and then adds that instance to your collection.
[
Careful John... in the suitcase on the left I'll find my favorite axe. - Carlo]