| $350,000–1 million | SONORA SWQM CO | WALLER, TX | Allegiance Bank |
| $150,000–350,000 | SOTAOG LLC | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SOUTH COAST PRODUCTS | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SOUTH SHORE SURGICENTER, LLC | LEAGUE CITY, TX | Allegiance Bank |
| $150,000–350,000 | SOUTHEAST TEXAS PERSONNEL MANAGEMENT CORP | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SOUTHERN STATES ALL-PRO, LLC | SUGAR LAND, TX | Allegiance Bank |
| $350,000–1 million | SOUTHERN TILE & TERRAZZO CO | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SOUTHMORE 1960 LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SOUTHWEST HOUSTON MOLLY MAID INC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SOUTHWEST OCEAN SERVICES, INC. | HOUSTON, TX | Allegiance Bank |
| $1–2 million | SOUTHWEST PRECISION PRINTERS & ASSOCIATES, LP | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SOUTHWEST SURPLUS, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SOUTHWESTERN REGIONAL INSURANCE CENTER, INC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SPANKYS WRECKER SERVICE INC | BEAUMONT, TX | Allegiance Bank |
| $150,000–350,000 | SPARTAN METALS, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SPEAR INDUSTRIAL COATINGS, LLC | MIDLAND, TX | Allegiance Bank |
| $150,000–350,000 | SPECTRUM PAINT AND COMMERCIAL SERVICES, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SPECTRUM SALON SPA CORPORATION | MISSOURI CITY, TX | Allegiance Bank |
| $150,000–350,000 | SPEED VENTURES LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SPORTS CRM INC. | TOMBALL, TX | Allegiance Bank |
| $150,000–350,000 | SPRING BRANCH GLASS SERVICE, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SPRING CREEK CONTRACTING LLC | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SPRING EDUCATIONAL FOUNDATION | SPRING, TX | Allegiance Bank |
| $350,000–1 million | ST ANNE CATHOLIC SCHOOL | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | ST. ANNE CATHOLIC CHURCH | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | ST. CHRISTOPHER HOLDINGS, LTD | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | ST. JOHN'S UNITED METHODIST CHURCH | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | ST. MARY'S SEMINARY | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | ST. PETER'S UNITED METHODIST CHURCH | KATY, TX | Allegiance Bank |
| $1–2 million | ST. PIUS X HIGH SCHOOL | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | ST. ROSE OF LIMA CATHOLIC CHURCH | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | ST. ROSE OF LIMA CATHOLIC SCHOOL | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | STA WEALTH MANAGEMENT LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STACY INCORPORATED | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STAR QUALITY TRUCKING INC. | MISSOURI CITY, TX | Allegiance Bank |
| $150,000–350,000 | STARCRAFT INTERIORCONTRACTORS, LTD | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | STARFLITE MANGEMENT GROUP INC | HOUSTON, TX | Allegiance Bank |
| $1–2 million | STARGEL OFFICE SYSTEMS INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STARLINE LOGISTICS, LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | START TRUCKING INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STEAMBOAT HOUSE I, LP | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STEPHENSON FOURNIER, PLLC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | STEPPING STONES CHARTER ELEMENTARY INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STERIN, INC | MISSOURI CITY, TX | Allegiance Bank |
| $350,000–1 million | STEVE WIER INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STEWART DOOR, LTD | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STI GRAPHICS, INC. | TOMBALL, TX | Allegiance Bank |
| $150,000–350,000 | STOA INTERNATIONAL ARCHITECTS, INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STONE CAST INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STONEHENGE REAL ESTATE INVESTMENT COMPANY, LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STONITE OF CENTRAL TEXAS LLC | SAN MARCOS, TX | Allegiance Bank |
| $150,000–350,000 | STOOS USA INC. | CONROE, TX | Allegiance Bank |
| $350,000–1 million | STRAIGHT LINE BUILDING SYSTEMS, INC. | BROOKSHIRE, TX | Allegiance Bank |
| $350,000–1 million | STRAND COMPOSITES LLC | HARRISON, AR | Allegiance Bank |
| $150,000–350,000 | STRATEGIC FILTRATION, INC | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | STRICKLY GREEN GRASS, LLC. | CYPRESS, TX | Allegiance Bank |
| $350,000–1 million | STRICKSCAPES, INC. | CYPRESS, TX | Allegiance Bank |
| $350,000–1 million | STRIPING UNLIMITED CORP. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STRONG PIPKIN BISSELL & LEDYARD, L.L.P. | BEAUMONT, TX | Allegiance Bank |
| $150,000–350,000 | STS MACHINE, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | STYRON INVESTMENTS | PASADENA, TX | Allegiance Bank |
| $150,000–350,000 | SUBURBAN CAREGIVERS, INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SULLIVAN, HENRY, OGGERO & ASSO., INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SUMMIT ADMINISTRATORS, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SUN BUILDERS CO. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SUN MACHINE LTD. | JERSEY VILLAGE, TX | Allegiance Bank |
| $1–2 million | SUNBELT SECURITIES, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SUPERIOR INDUSTRIAL SERVICES, LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SURGE ENGINEERING US LLC | KATY, TX | Allegiance Bank |
| $350,000–1 million | SWEETWATER POOLS INC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | SWYFT FILINGS, LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | SYTEK ELECTRIC CORPORATION | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | T & A PRECISION MACHINE IONC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | T & H GRINDING CO., INC | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | T CONSTRUCTION L L C | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | T-BONE TOM'S MEAT MARKET STEAKHOUSE RESTAURANT,INC. | SEABROOK, TX | Allegiance Bank |
| $350,000–1 million | T.B. JONES LLC | CHANNELVIEW, TX | Allegiance Bank |
| $150,000–350,000 | TAC MASSAGE, INC. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TACKLE CONSTRUCTION, INC. | BROOKSHIRE, TX | Allegiance Bank |
| $150,000–350,000 | TALCAS INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TAMMY HENDRICKS TEAM | MAGNOLIA, TX | Allegiance Bank |
| $350,000–1 million | TAQUERIA & TORTILLERIA LA REYNA, LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TAQUERIA EL REY, LLC | HOUSTON, TX | Allegiance Bank |
| $1–2 million | TAYLOR & HILL INC. | TEXAS CITY, TX | Allegiance Bank |
| $150,000–350,000 | TAYLOR RECOVERY CENTER | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | TAYSSOUN TRANSPORTATION INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TBD PLLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TCB INDUSTRIES, LLC | FRIENDSWOOD, TX | Allegiance Bank |
| $150,000–350,000 | TCJ FOOD INC. | SUGAR LAND, TX | Allegiance Bank |
| $150,000–350,000 | TEAMWIRED LLC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TECH TRANSFER, INC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | TECHNICAL LABORATORY SYSTEMS, INC. | KATY, TX | Allegiance Bank |
| $150,000–350,000 | TECHSTREAM GROUP | NEW YORK, NY | Allegiance Bank |
| $350,000–1 million | TEJAS OFFICE PRODUCTS, INC. | HOUSTON, TX | Allegiance Bank |
| $350,000–1 million | TEJAS RESEARCH & ENGINEERING LLC | SPRING, TX | Allegiance Bank |
| $350,000–1 million | TELCO INTERCONTINENTAL CORP. | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TERRA FIRMA DEVELOPMENT CORP. | CONROE, TX | Allegiance Bank |
| $350,000–1 million | TERRIER TRANSPORTATION INC | HOUSTON, TX | Allegiance Bank |
| $150,000–350,000 | TERRY WOODARD ENTERPRISES, INC. | BEAUMONT, TX | Allegiance Bank |
| $350,000–1 million | TEX-LAM MANUFACTURING, INC. | HOUSTON, TX | Allegiance Bank |