ARLINGTON, Va.--(BUSINESS WIRE)--CoStar Group, Inc. (NASDAQ: CSGP), a leading provider of online real estate marketplaces, information, analytics and 3D digital twin technology in the property markets, today announced that Andy Florance, Founder and Chief Executive Officer, was recognized on Virginia Business' Virginia 500 power list, an annual ranking of the most influential leaders across business, government, real estate and other key sectors in the Commonwealth. Under Florance's leadership,. ...