• Addiriyah World 
    Heritage Site
  • Adkins Arboretum
  • American Veterans Disabled
    for Life Memorial
  • American Water
  • Arizona State University
  • Ayers Saint Gross
  • Ballinger
  • The Barnes Foundation
  • Barnes Jewish Christian Healthcare
  • Bohlin Cywinski Jackson
  • Boston Parks and
    Recreation
  • Brigham and Women's Hospital
  • Bryn Mawr College
  • Camden Children’s Garden
  • Campbell Thomas
    and Company
  • Cape May County,
    New Jersey
  • Catholic University
    of America
  • Center City District, Philadelphia
  • Cheltenham Township
  • The Children’s Hospital
    of Philadelphia
  • City of Midland,
    Michigan
  • City of Millville, 
    New Jersey
  • City of Philadelphia, 
    Pennsylvania
  • City of Richmond, 
    Virginia
  • City of Rochester, 
    New York
  • City of Spartanburg,
    South Carolina
  • The College of New Jersey
  • Columbia Univ. Medical Ctr
  • Cornell University
  • Delaware River
    City Corporation
  • Delaware River
    Waterfront Corporation
  • Delaware and Lehigh 
    National Heritage Corridor
  • Elon University
  • Emory University
  • Erdy McHenry Architecture
  • Fairmount Park
  • Foundation for Architecture
  • Free Library of Philadelphia
  • Geisinger Medical Center
  • George Mason University
  • The George Washington
    University
  • Grenald Waldron Associates
  • Hamad Medical City
  • HDR Architecture
  • Hemmler and Camayd Architects
  • Highland Park, New Jersey
  • Historical Society of Pennsylvania
  • Hobart William Smith 
    Colleges
  • Johns Hopkins University
  • Karn Charuhas Chapman
    and Twohey
  • Kimmel Center for the Performing Arts
  • Landmark Towns of
    Bucks County
  • Landon School
  • Lawrenceville School
  • Liberty Property Trust
  • Longwood Gardens
  • Main Line Health
  • Maritime Aquarium
    at Norwalk
  • Michael Vergason 
    Landscape Architects
  • Milton Hershey School
  • Morris Arboretum
  • National Air and Space Museum
  • National Institute for
    Standards and Technology
  • National Park Service
  • Natural Lands Trust
  • NewYork-Presbyterian 
    Hospital
  • Northern Virginia Regional Park Authority
  • Ohio and Erie
    Canalway Coalition
  • The Ohio State University
  • Orange County
    Convention Center
  • PECO Crown Lights
  • Penn Medicine
  • Pennsylvania 
    Convention Center
  • Pennsylvania Department
    of Conservation and
    Natural Resources
  • Pennsylvania State Museum
  • Philadelphia Parks and Recreation
  • Philadelphia Phlash
  • Philadelphia Water Department
  • Quinn Evans Architects
  • Research Triangle Park
  • Schuylkill River
    Greenway Association
  • St. Joseph’s University
  • Stantec
  • Temple University
  • Thomas Jefferson University and Hospital
  • Township of Lower Merion
  • Tsoi Kobus and Associates
  • TVS Architects
  • Tyler Arboretum
  • University of Arkansas
  • The University of Chicago
  • The University of Iowa
  • University of Maryland
  • University of North Carolina
    Chapel Hill
  • University of Pennsylvania Museum of Archaeology
    and Anthropology
  • University of Rochester
  • The University of Texas
    at Austin
  • The University of Texas
    at El Paso
  • The University of Texas
    at San Antonio
  • University of Virginia 
    School of Law
  • The University of the Arts
  • University of the Sciences 
    in Philadelphia
  • Wallace, Roberts & Todd
  • Weill Cornell Medical Center
  • Wesleyan University
  • Winterthur Museum,
    Garden and Library
  • Zany Brainy
  • The Zoological Association
    of Philadelphia