The following members have passed SHP for the 2023 contract term:
Acton Municipal Utility District
Aransas County MUD #1
Aquilla Water District
Benbrook Library District
Benbrook Water Authority
Calhoun Port Authority
City of Alamo
City of Alice
City of Allen
City of Anna
City of Aubrey
City of Bangs
City of Bay City
City of Beeville
City of Bellmead
City of Belton
City of Benbrook
City of Bishop
City of Brownwood
City of Burkburnett
City of Carrizo Springs
City of Cedar Hill
City of Celina
City of Chandler
City of Clute
City of Colleyville
City of Commerce
City of Dalworthington Gardens
City of Decatur
City of Denison
City of Desoto
City of Dilley
City of Dublin
City of Duncanville
City of Eagle Pass
City of Edna
City of Euless
City of Everman
City of Falfurrias
City of Farmersville
City of Fate
City of Forest Hill
City of Forney
City of Frisco
City of George West
City of Godley
City of Grand Prairie
City of Grapevine
City of Haltom City
City of Hamilton
City of Harker Heights
City of Harlingen
City of Henrietta
City of Howe
City of Hurst
City of Ingleside
City of Ingleside on the Bay
City of Iowa Colony
City of Iowa Park
City of Kaufman
City of Keller
City of Kenedy
City of Kennedale
City of Kingsville
City of Lacy Lakeview
City of La Feria
City of Lake Jackson
City of La Marque
City of Lancaster
City of Lewisville
City of Lorena
City of Lovelady
City of Lyford
City of Manvel
City of McAllen
City of Mercedes
City of Merkel
City of Midlothian
City of Mission
City of Murphy
City of North Richland Hills
City of Oak Point
City of Orange Grove
City of Odessa
City of Ovilla
City of Palestine
City of Palmer
City of Palm Valley
City of Pantego
City of Paris
City of Pleasanton
City of Point Comfort
City of Port Aransas
City of Portland
City of Port Lavaca
City of Premont
City of Refugio
City of Richland Hills
City of Roanoke
City of Robinson
City of Rockport
City of Rockwall
City of Rotan
City of Rowlett
City of Royse City
City of Sachse
City of Saginaw
City of San Angelo
City of Seadrift
City of Sherman
City of Sinton
City of Snyder
City of South Padre Island
City of Springtown
City of Spring Valley Village
City of Sugar Land
City of Sweetwater
City of Taft
City of Terrell
City of Tomball
City of The Colony
City of University Park
City of Venus
City of Vernon
City of Victoria
City of Watauga
City of Webster
City of White Settlement
City of Wichita Falls
City of Willow Park
City of Woodsboro
City of Woodway
City of Wylie
Corpus Christi Housing Authority
Corpus Christi Regional Transit Authority
Harlingen Housing Authority
Hidalgo County
Jackson County Emergency Service District #3
Johnson County Special Utility District
McAllen Housing Authority
Mission Housing Authority
Montgomery County Emergency Service District #8
San Patricio CAD
South Texas Water Authority
Town of Addison
Town of Argyle
Town of Edgecliff Village
Town of Flower Mound
Town of Fulton
Town of Highland Park
Town of Laguna Vista
Town of Prosper
Town of Sunnyvale
Town of Trophy Club
Upper Leon River Municipal Water District
Walnut Creek Special Utility District