I work in Reston, VA and live in Baltimore, MD. I used Arslan from Ars Dent Repair, Baltimore and had great results with fair pricing. I believe they also offer mobile dent repair. The website https://www.arsdentrepair.com.
I also used Dings Out Right in Reston, VA. and their site is http://dingsoutright.com/ Brian was also great at repairing dents