Yes, Babolat makes Wilson gut with the non BT7 formula. It was confirmed by vs babolat (I think?) that Wilson gut is made by Babolat, and a few sets of Wilson gut (a while back) had Babolat VS gut printed on the strings.
Dunlop D-Squad Member... So I'm biased towards Dunlop.
Biomimetic Max 200G x3 and a few others...