Matthew Leffingwell
Tiber Creek Group
mleffingwell@pmj-dc.com
750 9th Street NW, Suite 501, Washington, DC, 20001, 
1) ABBOTT LABORATORIES
2) AIRBUS AMERICAS, INC.
3) ALTANA TECHNOLOGIES
4) AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION
5) CHESAPEAKE CLIMATE ACTION NETWORK
6) COALITION FOR INTERNATIONAL BROADCASTING
7) DELOITTE LLP
8) ENVIRONMENTAL DEFENSE ACTION FUND
9) EOS ENERGY ENTERPRISES LLC (FKA EOS ENERGY STORAGE LLC)
10) FINSECA
11) FRIENDS OF THE GLOBAL FIGHT AGAINST AIDS, TUBERCULOSIS, AND MALARIA
12) GILEAD SCIENCES, INC.
13) GIVEDIRECTLY
14) INTERNATIONAL SOCIETY OF OPTICS AND PHOTONICS
15) JAZZ PHARMACEUTICALS
16) MALARIA NO MORE
17) MICROSOFT CORPORATION
18) MISSISSIPPI COUNTY, ARKANSAS
19) MONKTON, INC.
20) ORGANON, LLC
21) PHLOW CORPORATION
22) SECURE IDENTITY, LLC (DBA CLEAR)
Last Updated: July 21, 2026