Were all of the modifications done by Blue Water Yachts?

No, we did a lot of the mods in house, but not everything.  Probably it's easiest to list things grouped by who did the primary work.

Things done by Roger Macgregor, or at the MacGregor factory.

Things done by Blue Water Yachts.

I think that's a pretty complete list, although there are LOTS of little things we did along the way to help things work better, or just to make stuff the way we wanted it on our own boat.