Region 1: Cameron, Hidalgo, Jim Hogg, Starr, Webb, Willacy and Zapata Counties.
Region 2: Bee, Brooks, Duval, Jim Wells, Kenedy, Kleberg, Live Oak, McMullen and Nueces Counties.
Region 3: Calhoun, Colorado, Dewitt, Goliad, Jackson, Karnes, Lavaca, Matagorda, Refugio, Victoria and Wharton Counties.
Region 4: Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty and Walter Counties.
Region 5: Harden, Jasper, Jefferson, Newton, Orange and Tyler Counties.
Region 6: Austin, Brazos, Burleson, Houston, Leon, Madison, Milam, Polk, Robertson, San Jacinto, Trinity, Walker and Washington Counties.
Region 7: Anderson, Angelina, Cherokee, Gregg, Harrison, Henderson, Nacogdoches, Panola, Rains, Rusk, Sabine, San Augustine, Shelby, Smith, Upshur, Van Zandt and Wood Counties.
Region 8: Bowie, Cass, Delta, Franklin, Hopkins, Lamar, Marion, Morris, Red River and Titus Counties.
Region 9: Archer, Baylor, Clay, Foard, Hardeman, Jack, Knox, Montague, Throck-Morton, Wichita, Wilbarger and Young Counties.
Region 10: Collin, Dallas, Ellis, Fannin, Grayson, Hunt, Kaulman and Rockwall Counties
Region 11: Cooke, Denton, Hood, Johnson, Palo Pinto, Parker, Somervell, Tarrant and Wise Counties..
Region 12: Bell, Bosque Hill, Coryell, Falls, Freestone, Hamilton, Lampass, Limestone, McLennan, Mills and Navarro Counties.
Region 13: Bastrop, Blanco, Burnet, Caldwell, Comal, Fayette, Gillespie, Gonzales, Guadalupe, Hays, Kendell, Lee, Llano, Travis and Williamson Counties.
Region 14: Callahan, Comanche, Eastland, Fisher, Haskell, Jones, Mitchell, Nolan, Scurry, Shackelford, Stephens, Stonewall and Taylor Counties.
Region 15: Brown, Coke, Coleman, Concho, Crockett, Edwards, Irion, Kimble, Mason, McCulloch, Menard, Runnels, San Saba, Schleicher, Sterling, Sutton, Tom Green and Val Verde Counties.
Region 16: Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth, DallamDeaf Smith, Donley, Gray, Hall, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb, Moore, Ochiltree, Oldham, Parmer, Potter, Randall, Roberts, Sherman, Swisher and Wheeler Counties.
Region 17: Bailey, Borden, Cochran, Cottle, Crosby, Dawson, Dickens, Floyd, Gaines, Garza, Hale, Hockley, Kent, King, Lamb, Lubbock, Lynn, Motley, Terry and Yoakum Counties.
Region 18: Brewster, Crane, Culberson, Ector, Glasscock, Jeff Davis, Loving, Midland, Pecos, Presidio, Reagan, Reeves, Terrell, Upton, Ward and Winkler Counties.
Region 19: El Paso and Hudspeth Counties.
Region 20: Atascosa, Bandera, Bexar, Dimmit, Frio, Kendall, Kerr, Kinney, La Salle, Maverick, Medina, Real, Uvalde, Wilson and Zavala Counties.