111 K Street, NE, Ninth Floor, Washington, DC, 20002, 
(512)7929620
1220 Colorado Street, Suite 450, Austin, TX, 78701, 
3) Adelanto Healthcare Ventures LLC
10) Combined Arms
13) EMS LINQ, LLC
14) GoBrands, Inc.
16) Hilliary Communications, LLC
17) Homeowners for Fair Taxes and Services, Inc.
18) Intercontinental Exchange, Inc.
19) Invesco Ltd.
22) Luminant Generation Company LLC
23) Media Choice LLC
24) Megatel Homes III Opportunities, LLC
25) New York Stock Exchange, LLC
26) Ovintiv, Inc.
27) Payward, Inc.
28) Provi
31) SDS Petroleum Consultants, L.L.C.
32) Texas City Limits Coalition
33) Texas Concrete Pipe Association
34) Touchstone Communities, Inc.
35) TXU Energy Retail Company LLC
37) Vistra Corp.
38) Vistra Corporate Services Company