| $350,000–1 million | CARNEGIE HOMES & CONSTRUCTION, LLC | Houston, TX | Third Coast Bank |
| $350,000–1 million | CATHOLIC CHARITIES OF SOUTHEAST TEXAS | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | CAVERN SOLUTIONS INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CBA APOLLO, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CBA SPINDLESTOP, LLC | CYPRESS, TX | Third Coast Bank |
| $350,000–1 million | CEDIEL CONCESSION MANAGEMENT | Porter, TX | Third Coast Bank |
| $150,000–350,000 | CEDIEL CONCESSION MANAGEMENT, LLC | Porter, TX | Third Coast Bank |
| $150,000–350,000 | CENTRAL HEALTHCARE SOLUTIONS, INC | The Woodlands, TX | Third Coast Bank |
| $150,000–350,000 | CENTRAL HEALTHCARE SOLUTIONS, INC | SPRING, TX | Third Coast Bank |
| $350,000–1 million | CERTIFACT TAXES LLC | Atlanta, GA | Third Coast Bank |
| $350,000–1 million | CHEMICAL REFINING & TERMINAL SERVICES | Channelview, TX | Third Coast Bank |
| $2–5 million | CHOCTAW CONSTRUCTION SERVICES LLC | HEMPSTEAD, TX | Third Coast Bank |
| $150,000–350,000 | CHRIS & PHIL'S BODY SHOP, INC. | RICHWOOD, TX | Third Coast Bank |
| $150,000–350,000 | CHRIS & PHILS BODY SHOP INC. | Richwood, TX | Third Coast Bank |
| $150,000–350,000 | CHRIS GONZALEZ | Pearland, TX | Third Coast Bank |
| $150,000–350,000 | CHUCK VEGAS LLC | Lake Charles, LA | Third Coast Bank |
| $350,000–1 million | CIMARRON LABOR, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CINCO ENERGY MANAGEMENT GROUP LLC | Houston, TX | Third Coast Bank |
| $350,000–1 million | CINESYS LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CITADEL ON KIRBY CATERING LIMITED LIABILITY COMPANY | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CJS PATHWAYS, LLC | Spring, TX | Third Coast Bank |
| $150,000–350,000 | CLA ESTATE PLANNING, LLC | frisco, TX | Third Coast Bank |
| $150,000–350,000 | CLA INSURANCE GROUP INC | frisco, TX | Third Coast Bank |
| $350,000–1 million | CLASS LEASING LLC | Perris, CA | Third Coast Bank |
| $350,000–1 million | CLASS LEASING, LLC | PERRIS, CA | Third Coast Bank |
| $350,000–1 million | CLAYBURN CORPORATION | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | CLAYBURN CORPORATION | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | CLEAR LAKE DERMATOLOGY PLLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CLEAR LAKE DERMATOLOGY, PLLC | Webster, TX | Third Coast Bank |
| $350,000–1 million | CLEARSTREAM WASTEWATER SYSTEMS, INCORPORATED | LUMBERTON, TX | Third Coast Bank |
| $1–2 million | CLEARY CONSTRUCTION SERVICES INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | CLEARY CONSTRUCTION SERVICES INC. | HOUSTON, TX | Third Coast Bank |
| $2–5 million | CLOEREN INCORPORATED | ORANGE, TX | Third Coast Bank |
| $350,000–1 million | CLUB OPERATIONS LLC | Dallas, TX | Third Coast Bank |
| $150,000–350,000 | CLUB OPERATIONS LLC | Dallas, TX | Third Coast Bank |
| $350,000–1 million | CNA METALS LIMITED | Stafford, TX | Third Coast Bank |
| $1–2 million | COASTAL AUTOMATION SERVICES INC. | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | COASTAL SPRINKLER COMPANY, INC | Beaumont, TX | Third Coast Bank |
| $2–5 million | COASTAL WELDING SUPPLY INC. | Beaumont, TX | Third Coast Bank |
| $2–5 million | COASTAL WELDING SUPPLY, INC. | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | COBB AIR CONDITIONING INC | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | COBB AIR CONDITIONING INC | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | CODY CLIFF CO. INC | San Antonio, TX | Third Coast Bank |
| $150,000–350,000 | COLLISION AND CLASSICS INC. | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | COLLISION AND CLASSICS, INC. | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | COLT GROUP, LLC. | SIGNAL HILL, CA | Third Coast Bank |
| $150,000–350,000 | COLT SERVICES OF LOUISIANA LLC | GONZALES, LA | Third Coast Bank |
| $1–2 million | COLT SERVICES, L.P. | LA PORTE, TX | Third Coast Bank |
| $350,000–1 million | COLUMBUS EYE ASSOCIATES | Columbus, TX | Third Coast Bank |
| $150,000–350,000 | COLUMBUS EYE ASSOCIATES | Columbus, TX | Third Coast Bank |
| $150,000–350,000 | COMAL ENERGY SERVICES LP | New Braunfels, TX | Third Coast Bank |
| $1–2 million | COMAL ENERGY SERVICES, LP | TOMBALL, TX | Third Coast Bank |
| $150,000–350,000 | COMMSYS TECHNOLOGY CORP. | Houston, TX | Third Coast Bank |
| $350,000–1 million | COMMSYS TECHNOLOGY CORP. | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | COMMUNITIES IN SCHOOLS OF SOUTHEAST TEXAS | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | COMPANSOL INC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CONNELL INTERESTS, LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CONSERVATION CONTACTS OF TEXAS, LLC | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | CORPORATE SOLUTIONS GENERAL INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | CORPORATE SOLUTIONS GENERAL INC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CORPUS CHRISTI CATHOLIC SCHOOL | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | COURIERRX LLC | SPRING, TX | Third Coast Bank |
| $150,000–350,000 | COWBOYS FAR WEST, LTD | San Antonio, TX | Third Coast Bank |
| $150,000–350,000 | COWBOYS FAR WEST, LTD | San Antonio, TX | Third Coast Bank |
| $350,000–1 million | COX COMMERCIAL CONSTRUCTION LLC | Deer Park, TX | Third Coast Bank |
| $350,000–1 million | COX COMMERCIAL CONSTRUCTION, LLC | BAYTOWN, TX | Third Coast Bank |
| $350,000–1 million | CP REBAR & PT INSTALLATION LLC | Manvel, TX | Third Coast Bank |
| $350,000–1 million | CPCWA CO. LLLP | Tomball, TX | Third Coast Bank |
| $350,000–1 million | CPCWA CO., LLLP | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CR HOSPITALITY INC. | Pasadena, TX | Third Coast Bank |
| $150,000–350,000 | CREDO SERVICES LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | CREIGHTON FOX JOHNSON & MILLS PLLC | Beaumont, TX | Third Coast Bank |
| $150,000–350,000 | CREIGHTON, FOX, JOHNSON & MILLS, PLLC | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | CROSBY AUTOMOTIVE GROUP INC. | Crosby, TX | Third Coast Bank |
| $350,000–1 million | CRYMAR FINISHES, LLC | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | CRYSTAL FALLS LABOR, LLC. | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | CURNEY, FARMER, HOUSE, OSUNA & JACKSON, P.C. | San Antonio, TX | Third Coast Bank |
| $150,000–350,000 | CURRIN WUEST MIELKE PAUL & KNAPP PLLC | Kingwood, TX | Third Coast Bank |
| $350,000–1 million | CUSTOM COMPONENTS & ASSEMBLIES | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CUSTOM COMPONENTS & ASSEMBLIES | Houston, TX | Third Coast Bank |
| $350,000–1 million | CW LIGHTING, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CW MECHANICAL LLC | SEABROOK, TX | Third Coast Bank |
| $350,000–1 million | CWC INTERNATIONAL INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | CYPRESS CREEK PERSONNEL SERVICES INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | CYPRESS CREEK PERSONNEL SERVICES, INC. | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | CYPRESS LAKE LODGE LLC | Woodville, TX | Third Coast Bank |
| $150,000–350,000 | CYPRESS LAKE LODGE, LLC | WOODVILLE, TX | Third Coast Bank |
| $350,000–1 million | CYPRESS PHYSICIANS ASSOCIATION | SPRING, TX | Third Coast Bank |
| $150,000–350,000 | DA DESIGN SERVICES LLC | Missouri City, TX | Third Coast Bank |
| $150,000–350,000 | DALLAS DESK, INC | ADDISON, TX | Third Coast Bank |
| $350,000–1 million | DALLAS NEUROSURGICAL & SPINE ASSOCIATES P.A | Plano, TX | Third Coast Bank |
| $350,000–1 million | DALLAS NEUROSURGICAL & SPINE ASSOCIATES, P.A | DALLAS, TX | Third Coast Bank |
| $350,000–1 million | DALLY + ASSOCIATES INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | DALLY + ASSOCIATES, INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | DARLENE PLUMLY CPA | CYPRESS, TX | Third Coast Bank |
| $150,000–350,000 | DARRYL MURCHISON DESIGN LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | DARRYL MURCHISON DESIGN, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | DATSON360 | LAUDERHILL, FL | Third Coast Bank |
| $150,000–350,000 | DATSON360 LLC | Lauderhill, FL | Third Coast Bank |
| $350,000–1 million | DAVID P ELLENT PLLC | SPRING, TX | Third Coast Bank |