Covering Annandale, Bailey's Crossroads, Lincolnia, and Seven Corners in Fairfax County, Virginia

Annandale-based company is the fastest-growing firm in Fairfax County and one of the fast-growing in the U.S.

PingWind is located in this building on Little River Turnpike. A government contractor based in Annandale called PingWind is the fastest-growing company in Fairfax County and one of the fastest growing in the United States. The company is number 75 on Inc. magazine’s list of the nation’s top 5,000 fastest-growing privately held companies.