Did you do a search for contractors in your area at the top of the page? Here are some door and window folks in your area:
Hi karen, we can certainly take a look at this for you. When making these types of changes you need to check with your home owner's association (if you have one) and make sure to get approval first if it's required. We've changed out windows like this for bay windows or french door sets. Happy to help if we can...