Even in the off-hours, you can't get through to them without being on hold for a long time. The only way to talk to someone at Amex is to call an "unusual" number (one of the int'l assist numbers, etc.) and get someone nice enough to connect you straight in to whoever you need to talk to. Even at midnight.

But enough Amex bashing for now. As for the corp direct bill thing: I know both Amex and Diners can do this. With my company, airfares get auto-billed through our travel agency to either a corporate Amex or a corporate Diners, and the traveler gets the points. I picked Diners, and I get a separate "Air and Rail Summary" with my Membership Rewards points from auto-billed charges.

It's sort of funny...my company makes a big deal about how they've set up this perk for us. The points are nice, but c'mon - it's not like stock options or something .