Bob Chin's ??
Bob Chins is in Wheeling on Milwaukee Avenue. It's huge and lots of fun but if your clients are stuffy, I think I'd take the Blackhawk (same street, town) over Chins. The noise levels are deafening sometimes but the seafood is high-quality. And if you dislike garlic, by all means avoid the rolls. They're so delicious but deadly for conversation if the people you're with haven't partaken. The crabs are the highlight and the Mai Tais are now sold nationally.