ADC Builders Arnold & Porter LLP ASM Realty / Danaher Corporation Axis Development Banks Development LLC Barnesville School Bethesda Builders Bethesda Country Club Block Builders BOWA Builders Bowl America Brenneman & Pagenstecher Building Innovations, LLC Cafritz Builders Cannery Row James Maurice "Bo" Carlisle Chase Builders Chrisler Homes, LLC Columbia Country Club Congressional Design-Build Easter Seals Society Edmund Burke School Franklin Montessori School Frontier Construction Fuad & Nancy El Hibri

GBI Corporation Georgetown Development Corp Gibson Builders Hanlon Design-Build Horizon Builders, Inc. Jack Irwin Stone JFW, James F. Wilson, Inc. John Shorb Landscaping Kent Homes LLC Lakeland Corporation Landow & Company, Inc. Lawrence Brandt, Inc. Laurence Cafritz Builders Magruder Design-Build LLC McCullough Construction, LLC Sterling Mehring, Long & Foster Meridian Homes, Inc. Miller Development Company Natelli Homes PKK Builders Rocky Gorge Development Rosenthal Companies, Inc. Sandy Spring Builders W.C. & A.N. Miller Company Zuckerman Brothers, Inc.