Region 1:
High Plains

Hale, Hockley, Lamb, Lubbock, Potter, Randall, Terry

Region 2:
Northwest Texas

Archer, Baylor, Brown, Clay, Coleman, Comanche, Cottle, Eastland, Foard, Hardeman, Jack, Mitchell, Montague, Nolan, Taylor, Wichita, Wilbarger, Young

Region 3:
Metroplex

Collin, Cooke, Dallas, Denton, Ellis, Erath, Fannin, Grayson, Hood, Hunt, Johnson, Jones, Kaufman, Navarro, Palo Pinto, Parker, Rockwall, Somervell, Tarrant, Wise

Region 4:
Upper East Texas

Anderson, Bowie, Camp, Cherokee, Delta, Franklin, Gregg, Harrison, Henderson, Hopkins, Lamar, Marion, Morris, Panola, Rains, Red River, Rusk, Smith, Titus, Upshur, Van Zandt, Wood

Region 5:
Southeast Texas

Angelina, Houston, Jasper, Jefferson, Nacogdoches, Orange, Polk, Shelby

Region 6:
Gulf Coast

Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston, Harris, Liberty, Matagorda, Montgomery, Walker, Waller, Wharton

Region 7:
Central Texas

Bastrop,  Bell, Blanco, Brazos, Burleson, Burnet, Caldwell, Coryell, Falls, Fayette, Freestone, Grimes, Hays, Hill, Lee, Leon, Llano, Madison, McLennan, Robertson, Travis, Washington, Williamson

Region 8:
Upper South Texas

Atascosa, Bexar, Calhoun, Comal, DeWitt, Dimmit, Edwards, Frio, Goliad, Gonzales, Guadalupe, Jackson, Kerr, Kinney, LaSalle, Lavaca, Limestone, Maverick, Real, Uvalde, Val Verde, Victoria, Wilson, Zavala

Region 9:
West Texas

Coke, Concho, Crockett, Dawson, Ector, Howard, Irion, Kimble, Mason, McCulloch, Menard, Midland, Pecos, Reagan, Reeves, Schleicher, Sterling, Sutton, Tom Green, Ward

Region 10:
Upper Rio Grande

El Paso

Region 11:
Lower South Texas

Bee, Cameron, Hidalgo, Jim Wells, Kleberg, Nueces, San Patricio, Starr, Webb, Willacy