
Areas
GRDX is headquartered in Sterling, Virginia, with officers licensed in Virginia, Washington D.C. and Maryland.
Loudoun County
GRDX is a licensed security company in Loudoun County, with its headquarters in Sterling off Route 28. Loudoun is the county we know best.…
Read moreFairfax County
GRDX is a licensed security company in Fairfax County, the largest and most varied county we serve. Our officers work everything from…
Read moreArlington & Alexandria
GRDX is a licensed security company in Arlington and Alexandria, where high-rise living, Metro stations and historic streets share a small…
Read morePrince William County
GRDX is a licensed security company in Prince William County, which has grown fast with new subdivisions, warehouse parks and big retail…
Read moreWashington, D.C.
GRDX is a licensed security company in Washington, D.C., where it was founded in 2018 and where its standards were set. Our D.C. work…
Read moreMontgomery & Prince George's
GRDX is a licensed security company in Montgomery and Prince George's Counties. Our Maryland work starts just over the D.C. line in Chevy…
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