decretism.com: We use machine learning to identify cretins in your organizational structure and provide the Human Resources expertise to remove them.

slopier.com: We optimize the last leg of the maritime supply chain, turn your slow pier into a fast pier!

calinum.com: enterprise accounting system - based in California.

Make it competitive. One player gets to pick between three possible domains.

The other players each come up with a business.

Rotate as appropriate.

slopier.com: Are you a hardcore skiing enthusiast? We'll find the steepest slopes in your area.

Edit: I don't know anything about skiing, so I don't know if steeper slopes are actually more fun. It's just what the word "slopier" brought to mind for me.