(512)4808962
203 W. 10th, Suite 700, Austin, TX, 78701, 
1) Air Products and Chemicals, Inc.
4) Austin TeamCo dba Austin FC
8) Charter Communications Operating, LLC
9) Chisholm Trail Disposal, LLC
12) Cook Children's Health Care System
14) Covestro LLC
15) Dallas Cowboys Football Club Ltd etal
18) DentaQuest, LLC
19) Distilled Spirits Council of the United States (DISCUS)
20) Eastman Chemical - Texas Operations
21) Flint Hills Resources, LLC
24) GEXA Energy
26) Guadalupe-Blanco River Authority
27) Guardian Industries Holdings, LLC
28) H-E-B, LP
30) Houston Livestock Show and Rodeo, Inc.
31) Houston NFL Holdings, L.P. , DBA Houston Texans
32) Infor(US), LLC
35) Koch Engineered Solutions, LLC
37) Lone Star Transmission LLC
38) Lottomatrix USA Limited Liability Company
43) NextEra Energy Resources LLC
44) North Texas Municipal Water District
46) Office of the Commissioner of Baseball, DBA Major League Baseball
47) PCII, LLC
49) Phillips Infrastructure.Corporation
50) Puerto Verde Holdings, LLC
52) Reagan National Advertising of Austin Inc.
54) San Jacinto River Authority
55) SH 130 Concession Company, LLC
57) SL ENERGY POWER PLANT I, LLC
59) Southern Spirit Transmission, LLC C/O Pattern Energy Group, LP
64) Texas Waterway Operators Association
65) TEXSAR, Inc.
(512)2285230
1005 Congress Avenue, Suite 440, Austin, TX, 78701, 
(512)4808962
203 W. 10th, Suite 700, Austin, TX, 78701, 
2) Air Products and Chemicals, Inc.
4) Arkansas Electric Cooperatives, Inc.
6) BLUEBONNET ELECTRIC COOPERATIVE, INC.
9) Celanese International Corporation
10) Chisholm Trail Disposal, LLC
12) Covestro LLC
13) Daikin Comfort Technologies North America
14) Eastman Chemical - Texas Operations
15) El Paso and Hudspeth Counties Regional Water Supply Corporation
16) El Paso Water
17) Flint Hills Resources, LLC
18) Foster, Paul
21) GEXA Energy
24) Guardian Industries Holdings, LLC
25) Infor(US), LLC
26) INV Nylon Chemicals Americas, LLC
27) Koch Ag & Energy Solutions, LLC
28) Koch Engineered Solutions, LLC
30) Lone Star Transmission LLC
34) NextEra Energy Resources LLC
35) North Texas Municipal Water District
36) PCII, LLC
37) Phillips Infrastructure Corporation
38) San Jacinto River Authority
39) SL ENERGY POWER PLANT I, LLC
41) Southern Spirit Transmission, LLC C/O Pattern Energy Group, LP
42) TEXSAR, Inc.