At clan functions and most times in formal mode I wear my Maclaine of Lochbuie "tanks" of which I have three various tartans. Otherwise I wear other tartans that match the rest of my attire. I am a direct decendent through my mother to my clan.

As for corporate tartans I really have no opnion.

Larry Dirr FSA Scot
Indiana Commissioner Clan Maclaine of Lochbuie