a Joomla expert company

We are looking for a company to outsourde some of our Joomla development We currently have a few Joomla project(mid-big range) on hand we would like to get quote about. Our main idea is establish a long term realationship With a development house specializes in Joomla, PHP, MySql etc Developers should also have expirience with modifying Joomla components The development house should be able to give support to its developments. Please Bid only if u can show Impressive samples to Joomla based sites u made. (Add samples and explanation to pmb) Most of the projects are pre designed, thou if u have a graphic department, please state that as well Thanx