| $150,000–350,000 | PRIME CHOICE RENTALS, LLC | Beaumont, TX | Third Coast Bank |
| $1–2 million | PRIME ELECTRICAL WBE LLC | Beaumont, TX | Third Coast Bank |
| $1–2 million | PRIME ELECTRICAL WBE, LLC | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | PRINCE OF PEACE CATHOLIC COMMUNITY | Houston, TX | Third Coast Bank |
| $150,000–350,000 | PRJ TRUCKING INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | PRJ TRUCKING, INC. | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | PROGRESSIVE BENEFIT MANAGEMENT COMPANY, LLC | FRIENDSWOOD, TX | Third Coast Bank |
| $350,000–1 million | PROMILES SOFTWARE DEVELOPMENT CORPORATION | BRIDGE CITY, TX | Third Coast Bank |
| $350,000–1 million | PROPTESTER INCORPORATED | Cypress, TX | Third Coast Bank |
| $350,000–1 million | PROPTESTER, INCORPORATED | Cypress, TX | Third Coast Bank |
| $150,000–350,000 | PROSKE PLASTIC PRODUCTS INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | PROSTAR MANUFACTURING INC | Pasadena, TX | Third Coast Bank |
| $150,000–350,000 | PROSTAR MANUFACTURING INC | PASADENA, TX | Third Coast Bank |
| $150,000–350,000 | PULIDO TRANSPORT L.P. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | PULIDO TRANSPORT, L.P. | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | QUASAR DATA CENTER, LTD. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | QUASAR DATA CENTER, LTD. | Houston, TX | Third Coast Bank |
| $2–5 million | R & K DISTRIBUTORS, INC. | LONGVIEW, TX | Third Coast Bank |
| $350,000–1 million | R & W ASSOCIATES, LLC | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | R AND R FISH CAMP INC | Winnie, TX | Third Coast Bank |
| $150,000–350,000 | R AND S SET HOLDINGS LLC | PORT ARTHUR, TX | Third Coast Bank |
| $150,000–350,000 | RADCO MANAGEMENT LLC | SOUR LAKE, TX | Third Coast Bank |
| $350,000–1 million | RADLEY ELECTRIC INC | Sour Lake, TX | Third Coast Bank |
| $150,000–350,000 | RADLEY ELECTRIC, INC | SOUR LAKE, TX | Third Coast Bank |
| $350,000–1 million | RAIFORD MOTORS INC | Port Arthur, TX | Third Coast Bank |
| $350,000–1 million | RAIFORD MOTORS, INC | Port Arthur, TX | Third Coast Bank |
| $1–2 million | RAM INVESTMENT GROUP INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RAMJI & ASSOCIATES PC | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | RAMTEX RECYCLING INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RANCHO GRANDE PORT ARTHUR INC. | Tomball, TX | Third Coast Bank |
| $150,000–350,000 | RANDALL Q SMITH INVESTMENTS INC | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | RAPTOR LIFT SOLUTIONS LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RAW SPORTS LLC | Conroe, TX | Third Coast Bank |
| $150,000–350,000 | RAW SPORTS LLC | CONROE, TX | Third Coast Bank |
| $150,000–350,000 | RC ENTERPRISES LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RE DUPILL & ASSOCIATES, LTD | LEECHBURG, PA | Third Coast Bank |
| $150,000–350,000 | REACHMASTER, INC. | PORTER, TX | Third Coast Bank |
| $350,000–1 million | REAUD MORGAN & QUINN LLP | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | REAUD, MORGAN & QUINN, LLP | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | RECOVERY COUNCIL OF SOUTHEAST TEXAS | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | RECOVERY COUNCIL OF SOUTHEAST TEXAS | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RED SWINGLINE, INC. | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | REDDY & NEUMANN PC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | REDDY'S PET CLINIC LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RELIANCE NISSAN INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RENEGADE INDUSTRIAL SUPPLY LLC | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RENEGADE INDUSTRIAL SUPPLY LLC | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | RENOVO AUTOMOTIVE SERVICES, INC. | CHANDLER, AZ | Third Coast Bank |
| $150,000–350,000 | REQUINS LLC | Shenandoah, TX | Third Coast Bank |
| $150,000–350,000 | REQUINS, LLC | SPRING, TX | Third Coast Bank |
| $150,000–350,000 | RHAME PUMP REPAIR & SUPPLY INC. | Pearland, TX | Third Coast Bank |
| $150,000–350,000 | RHAME PUMP REPAIR & SUPPLY, INC. | Pearland, TX | Third Coast Bank |
| $350,000–1 million | RICELAND HOME HEALTH LLC | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | RICELAND HOME HEALTH, LLC | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RICHARD L.SHORKEY EDUCATION & REHABILITATION CENTER | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RICHARD L.SHORKEY EDUCATION & REHABILITATION CENTER | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RICHMOND WHISKEY RIVER LTD. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RIDE HOUSTON LLC | Austin, TX | Third Coast Bank |
| $150,000–350,000 | RIDE HOUSTON LLC | AUSTIN, TX | Third Coast Bank |
| $150,000–350,000 | RIDE INDOOR CYCLING LLC | Austin, TX | Third Coast Bank |
| $150,000–350,000 | RIKENJAKS BREWING COMPANY LLC | Lake Charles, LA | Third Coast Bank |
| $350,000–1 million | RISHI CONSULTANTS LLC | Houston, TX | Third Coast Bank |
| $350,000–1 million | RISHI CONSULTANTS LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | RITE INSPECTION SERVICES, INC. | HOUSTON, TX | Third Coast Bank |
| $1–2 million | RIVAL ENERGY SERVICES LLC | Odessa, TX | Third Coast Bank |
| $1–2 million | RIVAL ENERGY SERVICES LLC | ODESSA, TX | Third Coast Bank |
| $150,000–350,000 | RJL TECHNOLOGIES INC. | Pearland, TX | Third Coast Bank |
| $350,000–1 million | RK AUTOMOTIVE GROUP LP | SEALY, TX | Third Coast Bank |
| $150,000–350,000 | RLJ INC. | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | RLJ, INC. | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | ROBERT LYNN COMPANY | DALLAS, TX | Third Coast Bank |
| $350,000–1 million | ROBERT WILLIAMS | Katy, TX | Third Coast Bank |
| $150,000–350,000 | ROGERS LUMBER COMPANY, INC. | ORANGE, TX | Third Coast Bank |
| $150,000–350,000 | ROGII INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | ROGII INC | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | ROLLED STEEL FRAME MANUFACTURING INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | ROLLED STEEL FRAME MANUFACTURING INC | HOUSTON, TX | Third Coast Bank |
| $1–2 million | ROTORCRAFT LEASING COMPANY LLC | Broussard, LA | Third Coast Bank |
| $2–5 million | ROTORCRAFT LEASING COMPANY, LLC | BROUSSARD, LA | Third Coast Bank |
| $350,000–1 million | RS GOLDEN TRIANGLE, LLC | Groves, TX | Third Coast Bank |
| $350,000–1 million | RUBBER FLOORING SYSTEMS INC | KEMAH, TX | Third Coast Bank |
| $350,000–1 million | RUBBER FLOORING SYSTEMS INC. | Kemah, TX | Third Coast Bank |
| $150,000–350,000 | RUPUBLICA RICHMOND LTD | Houston, TX | Third Coast Bank |
| $150,000–350,000 | RUPUBLICA RICHMOND LTD | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | RUSSELL OILFIELD EQUIPMENT COMPANY | Humble, TX | Third Coast Bank |
| $150,000–350,000 | RUSSELL OILFIELD EQUIPMENT COMPANY | Humble, TX | Third Coast Bank |
| $150,000–350,000 | RUTTY & MORRIS LLC | Nederland, TX | Third Coast Bank |
| $150,000–350,000 | RUTTY & MORRIS LLC | Nederland, TX | Third Coast Bank |
| $350,000–1 million | S & S INVESTIGATIONS & SECURITY, INC | LA PORTE, TX | Third Coast Bank |
| $150,000–350,000 | S FERGUSON TRUCK CENTER LTD | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | S&R PROFESSIONALS LP | Houston, TX | Third Coast Bank |
| $150,000–350,000 | SA 2010 LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | SA 2010 LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | SADDLE RIVER RANGE, LLC | CONROE, TX | Third Coast Bank |
| $150,000–350,000 | SANSERVE OF BEAUMONT, LLC | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | SANTA FE LABOR, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | SARGENT PLUMBING COMPANY, INC. | Tomball, TX | Third Coast Bank |
| $350,000–1 million | SCHOONER RESTAURANT INC. | Nederland, TX | Third Coast Bank |
| $150,000–350,000 | SCHOONER RESTAURANT, INC. | NEDERLAND, TX | Third Coast Bank |
| $350,000–1 million | SCHRILL TECHNOLOGIES INC | Houston, TX | Third Coast Bank |