We are Strategy IQ - a team of WordPress experts who have offices in New York City and New Jersey.
We've developed WordPress plugins that range from social media utilities to user retention.
Check them out here: http://profiles.wordpress.org/wpsitenet/ (some are still in the UAT-phase so a few aren't live just yet)
We also have a theme shop called Gabfire Themes - check us out at http://www.gabfirethemes.com/
Areas of Expertise:
-Custom theme design/development
-HTML5 to WordPress