SEM management

[BridgeTheGAP]

Hi All,

Can anyone suggest a few companies or agencies to manage SEM across several markets.

Looking at trialing a few companies. Any recommendations?

thanks in advance
BTG

[KevinSource]

Here (http://www.sempo.org/directories/all/) is a list from SEMPO and Here (http://forums.searchenginewatch.com/showthread.php?t=8200&highlight=agency) is another thread that may help