There are many options when it comes to finding affordable high quality custom .NET software development solutions.  I have recently heard of a company that works mainly in the vertical markets of construction, retail, financial, and medical security software.  If you are new to the concept and need a better understanding of the .Net field a very useful resource is www.sdmagazine.com .  One bit of advice while looking for some one to hire, use someone local, or someone willing to travel.  Lets keep as much of our business in the USA during this unsettling time in our economy.