Aberdeen - 1 company
Annapolis - 1 company
Baltimore - 17 companies
Beltsville - 1 company
Bethesda - 1 company
Bladensburg - 1 company
Bowie - 1 company
Bowie - 1 company
Bowie, MD - 1 company
Brookeville - 1 company
Capitol Heights - 1 company
Chevy Chase - 1 company
Columbia - 20 companies
Damascus - 1 company
Dundalk - 5 companies
Edgewood - 1 company
Elkridge - 3 companies
Ellicott City - 14 companies
Fallston - 1 company
Forest Hill - 1 company
Frederick - 22 companies
Gaithersburg - 2 companies
Germantown - 13 companies
Glen Burnie - 9 companies
Hampstead - 2 companies
Highland - 1 company
Laurel - 2 companies
Lusby - 1 company
Middle River - 1 company
Millersville - 2 companies
Monrovia - 1 company
Mount Airy - 3 companies
Odenton - 1 company
Owings Mills - 1 company
Prince Frederick - 1 company
Reisterstown - 1 company
Rockville - 14 companies
Severn - 1 company
Silver Spring - 12 companies
Swan Point - 1 company
Sykesville - 1 company
Takoma Park - 1 company
Temple Hills - 1 company
Waldorf - 8 companies
Walkersville - 1 company
Westminster - 2 companies
White Plains - 1 company
Woodbine - 1 company