This was not a category or company I was on the lookout for but happened to come across them on my last day at the show. Essentially, they have developed a modular, software-configured series of hardware panels that let you control PTZ cameras, video switchers, video routers and more.
This is by far the most innovative product I saw at the show; imagine being able to add functionality as you need it. If you start with 2 video cameras, you don't need a large video switcher, but let's say those are manned cameras. If you add PTZ cameras in the future, you just add another module to control those. And the modules snap together with magnets and your firmware and panel configuration is all done online. You can "map" your buttons to functions through their online configuration tool, as well. For example, camera iris control can be on a button or a dial. It's all up to you.
Broad support for many products from several popular equipment manufacturers means you have a lot of flexibility from the outset and they are always adding support for more products and manufacturers.
You should definitely check them out to see if they would be a good fit for your church: http://skaarhoj.com/