Akin Gump Strauss Hauer & Feld, LLP

Andrews Kurth, LLP

Baker Botts, LLP

Beck Redden & Secrest, LLP

Beirne Maynard & Parsons, LLP

Bracewell & Giuliani

Brown Sims, P.C.

Chaiken & Chaiken, P.C.

Chamberlain, Hrdlicka, White, Williams

& Martin

Coats Rose Yale Ryman & Lee, P.C.

Crady, Jewett & McCulley, LLP

Dawson, Sodd, Ellis & Hodge, LLP

De Lange Hudspeth McConnell

& Tibbets, LLP

Edison, McDowell & Hetherington, LLP

Fulbright & Jaworski, LLP

Gardere Wynne Sewell, LLP

Haynes and Boone, LLP

Hill & Hill, P.C.

Jackson Walker, LLP

Jones Day

Joyce, McFarland + McFarland, LLP

Kerr & Hendershot, P.C.

King & Spalding

Law Offices of Joseph H. Staley, Jr. P.C.

Locke Lord Bissell & Liddell, LLP

Mayer Brown, LLP

Porter and Hedges, LLP

Rusty Hardin & Associates, P.C.

Schiffer Odom Hicks & Johnson, PLLC

Thompson & Knight, LLP

Vinson & Elkins, LLP

W. Allyn Hoaglund

Law Offices of Walker W. Beavers

Ware, Jackson, Lee & Chambers, LLP

Winstead, P.C.