> GLOBAL ENGINEERING & MANAGEMENT SERVICES (GEMS), INC. District of Columbia Since: 1996 GLOBAL ENGINEERING & MANAGEMENT SERVICES (GEMS), INC.
> FOURSQUARE INTEGRATED TRANSPORTATION PLANNING, INC. District of Columbia Since: 2006 FOURSQUARE INTEGRATED TRANSPORTATION PLANNING, INC.
> FINANCIAL MARKETS INTERNATIONAL, INC. District of Columbia Since: 1992 FINANCIAL MARKETS INTERNATIONAL, INC.