Benchmarking is a great way to get ideas for equipment, processes, layout, and more.
The trouble is not every company that makes things is openly willing to let you inside. It's worth trying anyway, but in the meantime, breweries are famous for hosting tours and letting you take a peek. There is almost certainly a brewery near you that will give you a tour of the operation for a very reasonable fee (and often with tastes as well, if that's of interest!).