Do any providers barter?

Do any providers still barter? I know there was a few a while back that did, they actually got some real cool stuff. Ladies if you did but not anymore, what was the best thing you bartered for?

When I'm with a provider, I never barter. But I love to dicker.

As a general rule they'll post a threAD when they are looking to trade services. Mechanic seems to be popular, and more recently licensed services such as MD, DDS, CPA, ATTY, etc. Anyone holding one of those licenses would be nuts to get involved in a services trade of course.