| $350,000–1 million | RICHARD'S HORTICULTURE CONSULTING SERVICES, LLC | MIDLAND, TX | Prosperity Bank |
| $1–2 million | RICHARD-MARCUS, INC. | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | RICHMOND BOAT WORKS, INC | RICHMOND, TX | Prosperity Bank |
| $150,000–350,000 | RICKY BONDS SEPTIC SYSTEMS & WATER WELLS LLC | Hockley, TX | Prosperity Bank |
| $1–2 million | RIGGS ABNEY NEAL ORBISON %26AMP%3B LEWIS PC | Tulsa, OK | Prosperity Bank |
| $1–2 million | RIGGS ABNEY NEAL TURPEN ORBISON | Tulsa, OK | Prosperity Bank |
| $150,000–350,000 | RIGHT LIGHT SERVICES LLC | MIDLAND, TX | Prosperity Bank |
| $150,000–350,000 | RIGHT LIGHT SERVICESLLC | Midland, TX | Prosperity Bank |
| $350,000–1 million | RINCO OF TEXAS, INC. | San Antionio, TX | Prosperity Bank |
| $150,000–350,000 | RIO MEX DOS LLC | HUTTO, TX | Prosperity Bank |
| $150,000–350,000 | RIO MEX LLC | Pflugerville, TX | Prosperity Bank |
| $150,000–350,000 | RISTER CRANKSHAFT SPECIALISTS, LTD | CORPUS CHRISTI, TX | Prosperity Bank |
| $150,000–350,000 | RIVER CITY CHIROPRACTIC, P.A. | San Antonio, TX | Prosperity Bank |
| $150,000–350,000 | RIVERBEND RETREAT CENTER | Glen Rose, TX | Prosperity Bank |
| $150,000–350,000 | RIVERBEND RETREAT CENTER | GLEN ROSE, TX | Prosperity Bank |
| $150,000–350,000 | RKA MARKETING LLC | TOMBALL, TX | Prosperity Bank |
| $150,000–350,000 | RLK ENGINEERING, INC. | ALLEN, TX | Prosperity Bank |
| $150,000–350,000 | ROBERT E. HARVEY MD PA | VICTORIA, TX | Prosperity Bank |
| $150,000–350,000 | ROBERT L BRADLEY & ASSOCIATES, INC | Houston, TX | Prosperity Bank |
| $150,000–350,000 | ROBERT LLOYD ELECTRIC CO. INC. | WICHITA FALLS, TX | Prosperity Bank |
| $150,000–350,000 | ROBERT MALLETT, INC. | Oklahoma CIty, OK | Prosperity Bank |
| $1–2 million | ROBERTSON TIRE COMPANY, INC. | TULSA, OK | Prosperity Bank |
| $1–2 million | ROCK-IT NATURAL STONE INC | Wister, OK | Prosperity Bank |
| $1–2 million | ROCK-IT NATURAL STONE, INC. | WISTER, OK | Prosperity Bank |
| $150,000–350,000 | ROCKLEY INTERESTS INC | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | ROCKLEY INTERESTS INC | Houston, TX | Prosperity Bank |
| $150,000–350,000 | ROCKPORT COUNTRY CLUB MEMBERS ASSOCIATION | ROCKPORT, TX | Prosperity Bank |
| $150,000–350,000 | RODENBAUGH'S INC. | ALLEN, TX | Prosperity Bank |
| $150,000–350,000 | RODEO WESTERN LLC | Odessa, TX | Prosperity Bank |
| $150,000–350,000 | RODEO WESTERN LLC | Odessa, TX | Prosperity Bank |
| $350,000–1 million | RODRIGUEZ FOODS LTD | Fort Worth, TX | Prosperity Bank |
| $150,000–350,000 | RODRIGUEZ FOODS LTD | FORT WORTH, TX | Prosperity Bank |
| $150,000–350,000 | ROLLO INSURANCE GROUP, INC. | BRYAN, TX | Prosperity Bank |
| $350,000–1 million | ROLLS & CORNBREAD MGT LLC | Addison, TX | Prosperity Bank |
| $150,000–350,000 | ROLLS & CORNBREAD MGT, LLC | ADDISON, TX | Prosperity Bank |
| $150,000–350,000 | RONNIE ZAHN PAVING, INC. | LUBBOCK, TX | Prosperity Bank |
| $150,000–350,000 | ROSARIO GAZA | Corpus Christi, TX | Prosperity Bank |
| $350,000–1 million | ROSENBERGER CONSTRUCTION LLC | Katy, TX | Prosperity Bank |
| $350,000–1 million | ROSENBERGER CONSTRUCTION LLC | Katy, TX | Prosperity Bank |
| $150,000–350,000 | ROSY HEALTH CARE SERVICES, INC. | Austin, TX | Prosperity Bank |
| $150,000–350,000 | ROSY IN HOME SERVICES INC | Austin, TX | Prosperity Bank |
| $150,000–350,000 | ROSY IN HOME SERVICES, INC | Austin, TX | Prosperity Bank |
| $150,000–350,000 | ROTHWOOD MANAGEMENT INC | CYPRESS, TX | Prosperity Bank |
| $150,000–350,000 | ROTI, INC | CORPUS CHRISTI, TX | Prosperity Bank |
| $150,000–350,000 | ROYAL T HOT OIL SERVICES LLC | Gardendale, TX | Prosperity Bank |
| $350,000–1 million | ROYSTON, RAYZOR, VICKERY & WILLIAMS L.L.P. | Houston, TX | Prosperity Bank |
| $1–2 million | RPNT ACUTE SERVICES, INC. | Hurst, TX | Prosperity Bank |
| $1–2 million | RS FELDER ENTERPRISES, INC. | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | RT TRUCKING LLC | LOCO HILLS, NM | Prosperity Bank |
| $150,000–350,000 | RT TRUCKING LLC | Loco Hills, NM | Prosperity Bank |
| $2–5 million | RUDY'S TEXAS BAR-B-Q, LLC | LAKEWAY, TX | Prosperity Bank |
| $350,000–1 million | RUSSELL MCCARTHY | Bedias, TX | Prosperity Bank |
| $350,000–1 million | RXEDO, INC. | PLANO, TX | Prosperity Bank |
| $150,000–350,000 | RYAN C SCHAMERLOH OD | DALLAS, TX | Prosperity Bank |
| $150,000–350,000 | S & B DRILLING LLC | Midland, TX | Prosperity Bank |
| $150,000–350,000 | S & J P M ENTERPRISES LLC | Corpus Christi, TX | Prosperity Bank |
| $350,000–1 million | S & S CABLE COMMUNICATIONS INC | MANOR, TX | Prosperity Bank |
| $350,000–1 million | S A T TRUCKING INC | Springtown, TX | Prosperity Bank |
| $350,000–1 million | S B SYSTEMS INC | Houston, TX | Prosperity Bank |
| $1–2 million | S THOMAS CONSTRUCTION LLC | MAGNOLIA, TX | Prosperity Bank |
| $1–2 million | S THOMAS CONSTRUCTION LLC | Magnolia, TX | Prosperity Bank |
| $150,000–350,000 | S&S UTILITIES, INC | Manor, TX | Prosperity Bank |
| $150,000–350,000 | S&B DRILLING, LLC | MIDLAND, TX | Prosperity Bank |
| $350,000–1 million | S. B. SYSTEMS INC | Houston, TX | Prosperity Bank |
| $350,000–1 million | S.A.T. TRUCKING, INC. | SPRINGTOWN, TX | Prosperity Bank |
| $150,000–350,000 | S.O. 2000 LC | Tyler, TX | Prosperity Bank |
| $150,000–350,000 | S.O. 2000 LC | Tyler, TX | Prosperity Bank |
| $150,000–350,000 | S.O.C INDUSTRIES LLC | Midland, TX | Prosperity Bank |
| $150,000–350,000 | S.O.C. INDUSTRIES LLC | Midland, TX | Prosperity Bank |
| $150,000–350,000 | SAAHEL INC | PORTLAND, TX | Prosperity Bank |
| $350,000–1 million | SABINAS CONSTRUCTION CO INC | Houston, TX | Prosperity Bank |
| $350,000–1 million | SABINAS CONSTRUCTION CO INC | Houston, TX | Prosperity Bank |
| $150,000–350,000 | SACKETT BUILDING GROUP, LTD. | Houston, TX | Prosperity Bank |
| $150,000–350,000 | SACRED HEART EMS INC | Victoria, TX | Prosperity Bank |
| $150,000–350,000 | SACRED HEART SCHOOL | Rockport, TX | Prosperity Bank |
| $150,000–350,000 | SADASH CORPORATION | AZLE, TX | Prosperity Bank |
| $350,000–1 million | SAFEKICK AMERICAS LLC | Katy, TX | Prosperity Bank |
| $350,000–1 million | SAFEKICK AMERICAS, LLC | Katy, TX | Prosperity Bank |
| $350,000–1 million | SAFETY AUTOMATION TECHNOLOGY, LLC | HOUSTON, TX | Prosperity Bank |
| $1–2 million | SAFETY RAILWAY SERVICE, L.P. | Victoria, TX | Prosperity Bank |
| $350,000–1 million | SAGE ENERGY SERVICES, LTD | Corpus Christi, TX | Prosperity Bank |
| $2–5 million | SAGE ENVIRO TECH, LTD | Corpus Christi, TX | Prosperity Bank |
| $350,000–1 million | SAGE SURFACES LLC | The Woodlands, TX | Prosperity Bank |
| $150,000–350,000 | SAGE WATER, LTD. | Corpus Christi, TX | Prosperity Bank |
| $150,000–350,000 | SALTA PIPE COMPANY LLC | Abilene, TX | Prosperity Bank |
| $150,000–350,000 | SALTA PIPE COMPANY LLC | ABILENE, TX | Prosperity Bank |
| $150,000–350,000 | SAM E TRANSPORTS LLC | Midland, TX | Prosperity Bank |
| $150,000–350,000 | SAM E TRANSPORTS, LLC | MIDLAND, TX | Prosperity Bank |
| $350,000–1 million | SAMBROOKS MANAGEMENT COMPANY LLC | Houston, TX | Prosperity Bank |
| $150,000–350,000 | SAMBROOKS MANAGEMENT COMPANY LLC | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | SANLANTA INC | San Antonio, TX | Prosperity Bank |
| $150,000–350,000 | SANTHOFF PLUMBING, INC | houston, TX | Prosperity Bank |
| $150,000–350,000 | SATURN OF PERMIAN BASIN INC. | Midland, TX | Prosperity Bank |
| $150,000–350,000 | SATURN OF PERMIAN BASIN, INC. | MIDLAND, TX | Prosperity Bank |
| $350,000–1 million | SAUCEDA INDUSTRIES, LLC | AUSTIN, TX | Prosperity Bank |
| $350,000–1 million | SAUNDERS & WALSH PLLC | McKinney, TX | Prosperity Bank |
| $350,000–1 million | SAUNDERS & WALSH, PLLC | MCKINNEY, TX | Prosperity Bank |
| $150,000–350,000 | SAVRICK, SCHUMANN, JOHNSON, MCGARR, KAMINSKI & SHIRLEY, | Austin, TX | Prosperity Bank |
| $150,000–350,000 | SAYE PLUMBING CONTRACTORS, INC. HOUSTON | HOUSTON, TX | Prosperity Bank |
| $150,000–350,000 | SBI INDUSTRIAL LLC | Canton, TX | Prosperity Bank |