> HOWARD-REVIS DESIGN SERVICES INC. District of Columbia Since: 1993 HOWARD-REVIS DESIGN SERVICES INC.
> HARD LIGHT CONSULTING GROUP, L.L.C. District of Columbia Since: 2002 HARD LIGHT CONSULTING GROUP, L.L.C.
> DIVERSIFIED ENTERPRISES GROUP LLC District of Columbia Since: 2010 DIVERSIFIED ENTERPRISES GROUP LLC
> DC MEDICAL SUPPLY AND UNIFORMS LLC District of Columbia Since: 2018 DC MEDICAL SUPPLY AND UNIFORMS LLC
