> HOWARD-REVIS DESIGN SERVICES INC. District of Columbia Since: 1993 HOWARD-REVIS DESIGN SERVICES INC.
> HOWARD DELAFIELD INTERNATIONAL, LLP District of Columbia Since: 2007 HOWARD DELAFIELD INTERNATIONAL, LLP
> HISPANIC COMMUNICATIONS NETWORK, LLC District of Columbia Since: 2000 HISPANIC COMMUNICATIONS NETWORK, LLC
> HARD LIGHT CONSULTING GROUP, L.L.C. District of Columbia Since: 2002 HARD LIGHT CONSULTING GROUP, L.L.C.
