| 1650 ARCH | https://1650archst.com/index.html |
| 2 Liberty Place | https://2libertyplace.com/ |
| 2101 Cooperative, Inc. | https://www.2101cooperative.com/ |
| Bedrock Group LLC | https://www.linkedin.com/company/thebedrockgrp/ |
| Brandywine Realty Trust | https://www.brandywinerealty.com/ |
| City of Philadelphia | https://beta.phila.gov/departments/office-of-sustainability/ |
| Drexel University | https://drexel.edu/ |
| HACE Management | https://www.hacecdc.org/ |
| Hersha Hospitality Trust | https://www.hersha.com/ |
| Historical Society of Pennsylvania | https://hsp.org/ |
| Independence Blue Cross | https://www.ibx.com/index.jsp |
| Independence Place | https://independenceplace.com/ |
| Kaiserman Company | https://www.kaiserman.com |
| Pennrose | https://www.pennrose.com/ |
| Philadelphia Ronald McDonald House | https://www.philarmh.org/ |
| School District of Philadelphia | https://www.philasd.org/ |
| SEPTA | https://www.septa.org/sustain/ |
| SSH Real Estate | https://sshrealestate.com/ |
| The Philadelphian | https://www.2401.com |
Professional Stakeholders
| AFK Group | https://akfgroup.com/ |
| PECO | https://www.peco.com/business |
| WRT | https://www.wrtdesign.com |
| Albireo Energy | https://www.albireoenergy.com/ |
| Tozour Energy Systems | https://www.tozourenergy.com/ |
| WGL Energy | https://www.wglenergy.com/ |
Community Stakeholders
| AJ Drexel Institute for Energy and the Environment | https://drexel.edu/iexe/ |
| BOMA Philadelphia | https://www.bomaphila.com/ |
| Delaware Valley Regional Planning Commission | https://www.dvrpc.org/ |
| Greater Philadelphia Chapter of the Association of Energy Engineers | https://gpaee.org/index.php?bypassCookie=1 |
| Greater Philadelphia Hotel Association | https://www.gpha.us/ |
| Indigo JLD | https://www.indigojld.com/ |
| Lion Advisors | https://lionadvisorsllc.com/ |
| Philadelphia Building Managers and Operators Association | https://www.pbmoa.com/ |
| Reinvestment Fund | https://www.reinvestment.com/ |
| Sustainable Business Network of Greater Philadelphia | https://www.sbnphiladelphia.org/ |
| Urban Land Institute Philadelphia | https://philadelphia.uli.org/ |