[calcsam]

The mechanics of how do you send them money? Or how you get the $ to pay them (and the IRS, potentially).

[davidcoronado]

How to get the money buy the vested stock. Are there companies that help with that?

[kspaans]

Are you saying you don't have enough cash to exercise your options and looking for someone to loan you money? Otherwise, just mail a cashier's cheque to your CEO/CFO/VPF/etc.