You can easily bookmark you post into several of the best services at once by using OnlyWire (onlywire.com). Also Recommend Us (recd.us) is good for bookmarking.
If you kevsta's advice and place your link in forum signatures, make sure you don't use DigitalPoint. Many
SEO's have been taking notice that DP is no longer passing real juice and in most cases linking to and from are penalized. Stick with the smaller webmaster forums if you're using a signature to promote links.
Another thing you can do is create a HubPage or a Squidoo lens as a "press release" page for your company.
Furthermore, you can create a press release with a link to the article. It might cost you $25-$50 depending on the service you choose but press releases are a great way to pass juice to a url.