> NORTHERN REAL ESTATE URBAN VENTURES L.L.C. District of Columbia Since: 2002 NORTHERN REAL ESTATE URBAN VENTURES L.L.C.
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> JACKSON AND TULL CHARTERED ENGINEERS District of Columbia Since: 1974 JACKSON AND TULL CHARTERED ENGINEERS
> ROUBIN & JANEIRO OF VIRGINIA INC. District of Columbia Since: 1990 ROUBIN & JANEIRO OF VIRGINIA INC.
