| $350,000–1 million | SPARK LEARNING, LIMITED LIABILITY COMPANY | AUSTIN, TX | Prosperity Bank |
| $150,000–350,000 | SPARTAN POOL AND PATIO LLC | NORMAN, OK | Prosperity Bank |
| $1–2 million | SPECIFIC SYSTEMS, LLC | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | SPEEDWAY ERECTION SERVICE COMPANY | SAN ANTONIO, TX | Prosperity Bank |
| $1–2 million | SPENCER OUTDOOR LLC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | SPIARS ENGINEERING, INC. | PLANO, TX | Prosperity Bank |
| $350,000–1 million | SPIDER WALL SYSTEMS, INC. | NEW BRAUNFELS, TX | Prosperity Bank |
| $350,000–1 million | SPIEGELBERG ENTERPRISES, LTD. | LUBBOCK, TX | Prosperity Bank |
| $150,000–350,000 | SPLASH SWIMMING PARTNERS LP | CEDAR PARK, TX | Prosperity Bank |
| $150,000–350,000 | SPORTS AND ORTHOPAEDIC GROUP OF DALLAS | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | SPORTS PHYSICIANS ORTHOPEDICS & REHABILITATION OF TEXAS PLLC | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | SQUYRES, JOHNSON, SQUYRES & CO., LLP | TYLER, TX | Prosperity Bank |
| $2–5 million | SRM, INC | YUKON, OK | Prosperity Bank |
| $350,000–1 million | ST ANNE CATHOLIC SCHOOL | TOMBALL, TX | Prosperity Bank |
| $350,000–1 million | ST MARKS WORLD ACQUISITION, LLC | NEW YORK, NY | Prosperity Bank |
| $150,000–350,000 | ST MICHAEL CATHOLIC SCHOOL | WEIMAR, TX | Prosperity Bank |
| $150,000–350,000 | ST ROSE OF LIMA SCHOOL | SCHULENBURG, TX | Prosperity Bank |
| $1–2 million | ST THOMAS EPISCOPAL CHURCH AND SCHOOL | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | ST TIMOTHY CHRISTIAN ACADEMY | PLANO, TX | Prosperity Bank |
| $350,000–1 million | ST. ANDREWS PRESBYTERIAN CHURCH, U.S. HARRIS COUNTY, TEXAS | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | ST. ANTHONY CATHOLIC CHURCH | BRYAN, TX | Prosperity Bank |
| $150,000–350,000 | ST. ANTHONY SCHOOL | COLUMBUS, TX | Prosperity Bank |
| $350,000–1 million | ST. FRANCIS DE SALES SCHOOL | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | ST. JAMES EPISCOPAL SCHOOL OF DALLAS | DALLAS, TX | Prosperity Bank |
| $350,000–1 million | ST. JOSEPH SCHOOLS, INC. | VICTORIA, TX | Prosperity Bank |
| $1–2 million | ST. MARK LUTHERAN CHURCH OF HOUSTON, TEXAS | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | ST. PAUL CHILDREN'S MEDICAL CORPORATION | TYLER, TX | Prosperity Bank |
| $150,000–350,000 | ST. PAUL LUTHERAN CHURCH OF NEW BRAUNFELS | NEW BRAUNFELS, TX | Prosperity Bank |
| $150,000–350,000 | ST. PHILLIP CATHOLIC SCHOOL | EL CAMPO, TX | Prosperity Bank |
| $150,000–350,000 | ST. THERESA CATHOLIC CHURCH | SUGAR LAND, TX | Prosperity Bank |
| $1–2 million | STACY FAMILY ENTERPRISES, INC. | GRAPEVINE, TX | Prosperity Bank |
| $150,000–350,000 | STAIRWAYS INC. | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | STANDARD TUBULAR SERVICES INC | COLLEGE STATION, TX | Prosperity Bank |
| $350,000–1 million | STANDLEY FEED & SEED, INC. | MADISONVILLE, TX | Prosperity Bank |
| $150,000–350,000 | STAR CARE HOME HEALTH INC | ODESSA, TX | Prosperity Bank |
| $150,000–350,000 | STAR HOSPICE INC | ODESSA, TX | Prosperity Bank |
| $350,000–1 million | STARKE MACHINE COMPANY | FORT WORTH, TX | Prosperity Bank |
| $150,000–350,000 | STATESIDE RIGHT OF WAY SERVICES, LLC | DALLAS, TX | Prosperity Bank |
| $350,000–1 million | STEALTH COMPLETION SERVICES LLC | ODESSA, TX | Prosperity Bank |
| $150,000–350,000 | STEPHEN EDWARD BENYS | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | STEPHEN T SLIVA INC. | BAY CITY, TX | Prosperity Bank |
| $150,000–350,000 | STERLING PRODUCTIONS, LLC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | STERLING ROOF SYSTEMS, INC. | GARLAND, TX | Prosperity Bank |
| $150,000–350,000 | STEWART LAWNCARE AND LANSCAPE INC | WYLIE, TX | Prosperity Bank |
| $150,000–350,000 | STING SERVICES LLC | MIDLAND, TX | Prosperity Bank |
| $350,000–1 million | STOEVER- PARKER ELECTRIC, INC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | STONEHOLLOW HOMES, LLC | MCKINNEY, TX | Prosperity Bank |
| $150,000–350,000 | STORE SOURCE LLC | GRAND PRAIRIE, TX | Prosperity Bank |
| $150,000–350,000 | STOVALL, GRANDEY & ALLEN, LLP | FORT WORTH, TX | Prosperity Bank |
| $150,000–350,000 | STRATFORD LAND MANAGER, LP | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | STRATUS DOMINION ANESTHESIA ASSOCIATES PLLC | DALLAS, TX | Prosperity Bank |
| $350,000–1 million | STRUTTON PLUMBING COMPANY INC | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | STS WAREHOUSE, LLC | AUSTIN, TX | Prosperity Bank |
| $150,000–350,000 | STUDENT LEADERSHIP UNIVERSITY, INC. | ORLANDO, FL | Prosperity Bank |
| $350,000–1 million | STUDIO 8 ARCHITECTS INC | AUSTIN, TX | Prosperity Bank |
| $150,000–350,000 | STUDIO MET, PLLC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | SUBS WORLD INC. | CORPUS CHRISTI, TX | Prosperity Bank |
| $350,000–1 million | SUBSEA PARTNERS, LLC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | SUGAR LAND BAPTIST CHURCH | SUGAR LAND, TX | Prosperity Bank |
| $1–2 million | SUMMIT PORTRAITS, LLC | PLANO, TX | Prosperity Bank |
| $350,000–1 million | SUMMIT TECHNOLOGY AFFILIATES, LLC | EDMOND, OK | Prosperity Bank |
| $1–2 million | SUNBELT POOLS, INC | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | SUNSET POOLS INC. | KATY, TX | Prosperity Bank |
| $2–5 million | SUNSET WELL SERVICE HOLDINGS, INC | GARDENDALE, TX | Prosperity Bank |
| $150,000–350,000 | SUNSHINE POOLS, INC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | SUPERIOR NATIONWIDE LOGISTICS, LTD. | HUMBLE, TX | Prosperity Bank |
| $150,000–350,000 | SUPERIOR TOMBALL CAR WASH, INC. | TOMBALL, TX | Prosperity Bank |
| $150,000–350,000 | SURGITECH, INC. | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | SURVEY CONSULTANTS INC | RICHARDSON, TX | Prosperity Bank |
| $150,000–350,000 | SWANDA BROTHERS INC | OKLAHOMA CITY, OK | Prosperity Bank |
| $350,000–1 million | SYDRI ENERGY INC. | DALLAS, TX | Prosperity Bank |
| $1–2 million | SYSTEM ELECTRIC, INC. | PLANO, TX | Prosperity Bank |
| $150,000–350,000 | T AND R CLINIC, PA | HALTOM CITY, TX | Prosperity Bank |
| $1–2 million | T&D SYSTEMS, INC. | ALEDO, TX | Prosperity Bank |
| $350,000–1 million | T-C OIL COMPANY, LLC | VICTORIA, TX | Prosperity Bank |
| $150,000–350,000 | T-COT, INC | CORPUS CHRISTI, TX | Prosperity Bank |
| $350,000–1 million | T.P.I.A., LLC | GRAND PRAIRIE, TX | Prosperity Bank |
| $150,000–350,000 | TACO JALISCO LLC | CORPUS CHRISTI, TX | Prosperity Bank |
| $150,000–350,000 | TACO SHACK INC | AUSTIN, TX | Prosperity Bank |
| $150,000–350,000 | TAG MGT SERVICES LLC | VICTORIA, TX | Prosperity Bank |
| $350,000–1 million | TANDEM SERVICES, LLC | FRIENDSWOOD, TX | Prosperity Bank |
| $150,000–350,000 | TANK AND VESSEL BUILDERS, LP | BAIRD, TX | Prosperity Bank |
| $350,000–1 million | TANK BUILDERS INC | EULESS, TX | Prosperity Bank |
| $150,000–350,000 | TANK SERVICE, INC. | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | TARRANT DERMATOLOGY CONSULTANTS, PA | FORT WORTH, TX | Prosperity Bank |
| $150,000–350,000 | TASKMASTER PRO TECHNOLOGIES, INC | ABILENE, TX | Prosperity Bank |
| $150,000–350,000 | TAYLOR AUTO PAINT & COLLISION NORTH | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | TAYLOR PIPELINE CONSTRUCTION INC. | DAYTON, TX | Prosperity Bank |
| $1–2 million | TB2 SERVICE, INC | IRVING, TX | Prosperity Bank |
| $350,000–1 million | TCMS, INC. | OKLAHOMA CITY, OK | Prosperity Bank |
| $1–2 million | TDC WATERPROOFING & RESTORATION LLC | HOUSTON, TX | Prosperity Bank |
| $350,000–1 million | TEAM ONE ADJUSTING SERVICES, LLC | IRVING, TX | Prosperity Bank |
| $350,000–1 million | TEAM URESTI, LLC | HELOTES, TX | Prosperity Bank |
| $150,000–350,000 | TECHNICOATINGS SCAFFOLDING & INSULATION INC | BAY CITY, TX | Prosperity Bank |
| $150,000–350,000 | TEJAS CEMENT COMPANY LTD. | GRAPEVINE, TX | Prosperity Bank |
| $150,000–350,000 | TEJAS COMMERCIAL CONSTRUCTION, LLC | FORT WORTH, TX | Prosperity Bank |
| $350,000–1 million | TEJAS MANAGEMENT SYSTEMS, INC | CORPUS CHRISTI, TX | Prosperity Bank |
| $350,000–1 million | TEKNISMART SOLUTIONS INC. | PLANO, TX | Prosperity Bank |
| $150,000–350,000 | TELLA FIRMA LLC | RICHARDSON, TX | Prosperity Bank |
| $150,000–350,000 | TEN EIGHTY MEDIA, LLC | CARROLLTON, TX | Prosperity Bank |