| $350,000–1 million | LA CASONA LAKE JACKSON LLC | Lake Jackson, TX | Third Coast Bank |
| $350,000–1 million | LA CASONA LAKE JACKSON LLC | Lake Jackson, TX | Third Coast Bank |
| $1–2 million | LABELLECO FAB LLC | Beaumont, TX | Third Coast Bank |
| $2–5 million | LABELLECO FAB, LLC | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | LABOR RESOURCE MANAGEMENT INC. | Santa Rosa, CA | Third Coast Bank |
| $150,000–350,000 | LAGUNAS MEXICAN GRILLE & CANTINA LLC | Lake Charles, LA | Third Coast Bank |
| $150,000–350,000 | LAKE CHARLES RUBBER & GASKET CO. LLC | Lake Charles, LA | Third Coast Bank |
| $150,000–350,000 | LAKE CHARLES RUBBER & GASKET CO., LLC | Lake Charles, LA | Third Coast Bank |
| $350,000–1 million | LAKE JACKSON EMERGENCY MEDICAL SERVICES, INC. | LAKE JACKSON, TX | Third Coast Bank |
| $150,000–350,000 | LAMBERTI'S MARKET, LLC | IRVING, TX | Third Coast Bank |
| $150,000–350,000 | LAMBERTIS MARKET LLC | Irving, TX | Third Coast Bank |
| $1–2 million | LANE SUPPLY, INC. | ARLINGTON, TX | Third Coast Bank |
| $1–2 million | LANGHAM CREEK MACHINE WORKS, INC. | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | LANMARK STAFFING COMPANY | Orange, TX | Third Coast Bank |
| $350,000–1 million | LANMARK STAFFING COMPANY | Orange, TX | Third Coast Bank |
| $150,000–350,000 | LANSHORE LLC | Katy, TX | Third Coast Bank |
| $150,000–350,000 | LANSHORE LLC | Katy, TX | Third Coast Bank |
| $350,000–1 million | LARCO INDUSTRIES | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | LARCO INDUSTRIES, LLC | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | LASER SURGICAL SOLUTIONS RGV, PLLC | Mcallen, TX | Third Coast Bank |
| $350,000–1 million | LASERWELD INC. | Katy, TX | Third Coast Bank |
| $350,000–1 million | LASERWELD, INC. | KATY, TX | Third Coast Bank |
| $350,000–1 million | LC ANGLETON LLC | Angleton, TX | Third Coast Bank |
| $150,000–350,000 | LC BAY CITY LLC | BAY CITY, TX | Third Coast Bank |
| $350,000–1 million | LD SERVICES LLC | Austin, TX | Third Coast Bank |
| $350,000–1 million | LD SERVICES, LLC | AUSTIN, TX | Third Coast Bank |
| $350,000–1 million | LDARTOOLS INC | Dickinson, TX | Third Coast Bank |
| $350,000–1 million | LEE MEHTA DEALERSHIPS, INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | LES LIGHTFOOT ENTERPRISES, INC. | VIDOR, TX | Third Coast Bank |
| $1–2 million | LIFESTYLES UNLIMITED, INC. | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | LIFEWELL SENIOR LIVING, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | LILEP L.L.C. | HOUSTON, TX | Third Coast Bank |
| $1–2 million | LNRS INC. | Richardson, TX | Third Coast Bank |
| $1–2 million | LNRS, INC. | RICHARDSON, TX | Third Coast Bank |
| $150,000–350,000 | LOGIK PRECISION INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | LONESTAR ELITE CONSTRUCTION INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | LONESTAR MOBILITY INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | LONG MEADOW LABOR, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | LORENTE INTERNATIONAL LLC | Farmers Branch, TX | Third Coast Bank |
| $150,000–350,000 | LOS ASADOS NO 2 LLC | McAllen, TX | Third Coast Bank |
| $150,000–350,000 | LOS GALLITOS MEXICAN CAFE II INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | LOS GALLITOS MEXICAN CAFE III INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | LOS PELONES PORT ARTHUR INC. | Nederland, TX | Third Coast Bank |
| $1–2 million | LOVED ONES IN HOME CARE LLC | SOUTH CHARLESTON, WV | Third Coast Bank |
| $150,000–350,000 | LTS BROTHERS LLC. | PEARLAND, TX | Third Coast Bank |
| $350,000–1 million | M. & D. ELECTRIC COMPANY | Sour Lake, TX | Third Coast Bank |
| $350,000–1 million | M. & D. ELECTRIC COMPANY | Sour Lake, TX | Third Coast Bank |
| $350,000–1 million | MACROFAB INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | MACROFAB, INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MAMACITAS ON THE BAY FOUR INC | Jersey Village, TX | Third Coast Bank |
| $350,000–1 million | MAMACITAS ON THE BAY NO 2 INC | Webster, TX | Third Coast Bank |
| $150,000–350,000 | MANAGEMENT AFFILIATES OF NORTHEAST HOUSTON, LLC | KINGWOOD, TX | Third Coast Bank |
| $150,000–350,000 | MANJIT S RANDHAWA D.O. P.A. | Angleton, TX | Third Coast Bank |
| $150,000–350,000 | MANJIT S RANDHAWA D.O., P.A. | Angleton, TX | Third Coast Bank |
| $150,000–350,000 | MARABOU MIDSTREAM SERVICES LP | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MARABOU MIDSTREAM SERVICES, LP | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | MARAIST INVESTMENTS INC | Port Arthur, TX | Third Coast Bank |
| $150,000–350,000 | MARGOLIS BRADY RAGHAVAN FINANCIAL, INC. | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | MARINE FOODS EXPRESS LTD | Houston, TX | Third Coast Bank |
| $350,000–1 million | MARINE FOODS EXPRESS, LTD | HOUSTON, TX | Third Coast Bank |
| $350,000–1 million | MARINE FUELING SERVICE, INC. | PORT ARTHUR, TX | Third Coast Bank |
| $150,000–350,000 | MARISE KELLY MD PA | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MARISE KELLY MD PA | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MARK 923 CBA ARAPAHOE, LLC | AURORA, CO | Third Coast Bank |
| $350,000–1 million | MAVERICK BROTHERS INC. | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | MAVERICK BROTHERS, INC. | BEAUMONT, TX | Third Coast Bank |
| $350,000–1 million | MAXIM FIRE SYSTEMS, LLC | DALLAS, TX | Third Coast Bank |
| $150,000–350,000 | MAZUR & VERNON, CERTIFIED PUBLIC ACCOUNTANTS | NEDERLAND, TX | Third Coast Bank |
| $350,000–1 million | MAZUREK, BELDEN, & BURKE, P.C. | SAN ANTONIO, TX | Third Coast Bank |
| $150,000–350,000 | MBBK LLC | Kemah, TX | Third Coast Bank |
| $150,000–350,000 | MC & GW ENTERPRISES, INC. | SPRING, TX | Third Coast Bank |
| $150,000–350,000 | MCCAW CABINETRY LLC. | Port Neches, TX | Third Coast Bank |
| $150,000–350,000 | MCCAW CABINETRY, LLC. | PORT NECHES, TX | Third Coast Bank |
| $350,000–1 million | MCFADDENS GLENDALE LLC | Spring Lake, NJ | Third Coast Bank |
| $150,000–350,000 | MCFADDENS PITTSBURGH LLC | Spring Lake, NJ | Third Coast Bank |
| $150,000–350,000 | MCINNIS CONSTRUCTION INC. | Silsbee, TX | Third Coast Bank |
| $150,000–350,000 | MCINNIS CONSTRUCTION, INC. | Silsbee, TX | Third Coast Bank |
| $150,000–350,000 | MCKENNA'S PLACE NSB INC. | New Smyrna Beach, FL | Third Coast Bank |
| $150,000–350,000 | MCKENNA'S PLACE NSB INC. | NEW SMYRNA BEACH, FL | Third Coast Bank |
| $150,000–350,000 | MCKENNA'S PLACE PORT ORANGE INC | Port Orange, FL | Third Coast Bank |
| $150,000–350,000 | MCKENNA'S PLACE PORT ORANGE INC | PORT ORANGE, FL | Third Coast Bank |
| $150,000–350,000 | MCM OIL TOOLS INC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MD SERVICES, INC | Houston, TX | Third Coast Bank |
| $2–5 million | MEDINC OF TEXAS, LLC | HOUSTON, TX | Third Coast Bank |
| $150,000–350,000 | MEGAS MANUFACTURING, LLC | BEAUMONT, TX | Third Coast Bank |
| $150,000–350,000 | MELANGE FINE CUISINE INC. | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MEP RESOURCES LLC | Houston, TX | Third Coast Bank |
| $150,000–350,000 | MET ROX INC. | Spring, TX | Third Coast Bank |
| $350,000–1 million | METALTECH SERVICE CENTER INC | Houston, TX | Third Coast Bank |
| $350,000–1 million | MHC DATACOMM INC | Orange, TX | Third Coast Bank |
| $350,000–1 million | MHC DATACOMM, INC | orange, TX | Third Coast Bank |
| $150,000–350,000 | MI RANCHO OF DERIDDER | Deridder, LA | Third Coast Bank |
| $350,000–1 million | MID COUNTY MEXICAJUN LLC | Beaumont, TX | Third Coast Bank |
| $350,000–1 million | MID COUNTY MEXICAJUN LLC | Port Arthur, TX | Third Coast Bank |
| $150,000–350,000 | MID COUNTY PLUMBING LLC | Nederland, TX | Third Coast Bank |
| $150,000–350,000 | MID COUNTY PLUMBING LLC | Nederland, TX | Third Coast Bank |
| $150,000–350,000 | MID-AMERICAN CONTRACT CARPET INC. | Carrollton, TX | Third Coast Bank |
| $150,000–350,000 | MID-AMERICAN CONTRACT CARPET, INC. | Redford, MI | Third Coast Bank |
| $150,000–350,000 | MILAM STREET AUTO STORAGE INC. | Houston, TX | Third Coast Bank |
| $350,000–1 million | MILAM STREET AUTO STORAGE, INC. | HOUSTON, TX | Third Coast Bank |