> T AND R STAFFING HEALTH CARE, INC. District of Columbia Since: 2012 T AND R STAFFING HEALTH CARE, INC.
> TOTAL BUILDING SOLUTIONS INCORPORATED District of Columbia Since: 2007 TOTAL BUILDING SOLUTIONS INCORPORATED
> GLOBAL ENGINEERING SOLUTIONS OF WASHINGTON DC, P.C. District of Columbia Since: 2008 GLOBAL ENGINEERING SOLUTIONS OF WASHINGTON DC, P.C.
