| $350,000–1 million | 1844 ENTERPRISES LTD | LONGVIEW, TX | Southside Bank |
| $350,000–1 million | 2011 ANGELINA MANUFACTURING LLC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | 5STAR INSTALLATIONS, LLC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | 6345 WESTHEIMER INC. | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | 8 LANE INVESTMENTS | LONG BEACH, CA | Southside Bank |
| $150,000–350,000 | A. E. SHULL & COMPANY | TYLER, TX | Southside Bank |
| $1–2 million | A.L. STAFFING INC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | ABELDT'S GASLIGHT PHARMACY, INC | LUFKIN, TX | Southside Bank |
| $350,000–1 million | ABILENE HEALTHCARE OPERATIONS, LLC | ABILENE, TX | Southside Bank |
| $350,000–1 million | ABLES-LAND INC. | TYLER, TX | Southside Bank |
| $1–2 million | AIRCO, LTD | HURST, TX | Southside Bank |
| $350,000–1 million | ALDERINK ENTERPRISES, INC. | GRAND PRAIRIE, TX | Southside Bank |
| $150,000–350,000 | ALEXJER COMMUNICATONS INC. | PEARLAND, TX | Southside Bank |
| $1–2 million | ALL SAINTS EPISCOPAL SCHOOL | TYLER, TX | Southside Bank |
| $350,000–1 million | ALLENS BOOTS CENTER | AUSTIN, TX | Southside Bank |
| $350,000–1 million | ALPHA FIRST DENTAL PA | LONGVIEW, TX | Southside Bank |
| $150,000–350,000 | ALTA SUPPLY AND PACKAGING LLC | NEW ORLEANS, LA | Southside Bank |
| $150,000–350,000 | AMERICAN INTEGRATION, INC. | BENBROOK, TX | Southside Bank |
| $150,000–350,000 | AMERICAN PLUMBING COMPANY INC. | TYLER, TX | Southside Bank |
| $2–5 million | ANDREWS CENTER | TYLER, TX | Southside Bank |
| $150,000–350,000 | ANGELINA AND NECHES RIVER RAILROAD CO. | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | ANGELINA OPTOMETRIC ASSOCIATES | LUFKIN, TX | Southside Bank |
| $2–5 million | APA AVIATION STAFFING, LLC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | APEX TIRE GROUP, INC. | TYLER, TX | Southside Bank |
| $150,000–350,000 | ARE LOGGING LLC | CORRIGAN, TX | Southside Bank |
| $150,000–350,000 | ASH CREEK HOMES, INC. | AUSTIN, TX | Southside Bank |
| $350,000–1 million | ASIA CHEMICAL CORPORATION, INC. | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | ASTICS INC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | ATASCAZOO ANIMAL HOSPITAL, LLC | HUMBLE, TX | Southside Bank |
| $150,000–350,000 | ATASCOCITA CAR CARE AND COLLISION INC. | HUMBLE, TX | Southside Bank |
| $1–2 million | ATKINSON CANDY COMPANY | LUFKIN, TX | Southside Bank |
| $1–2 million | ATLAS CREDIT COMPANY, INC | TYLER, TX | Southside Bank |
| $1–2 million | AUI PARTNERS, LLC | FORT WORTH, TX | Southside Bank |
| $350,000–1 million | AUSTIN CARD ROOM LLC | AUSTIN, TX | Southside Bank |
| $150,000–350,000 | AUSTIN FINANCE COMPANY, LLC | DALLAS, TX | Southside Bank |
| $150,000–350,000 | AUSTIN GROUPS FOR THE ELDERLY | AUSTIN, TX | Southside Bank |
| $350,000–1 million | AZLEWAY INC | TYLER, TX | Southside Bank |
| $150,000–350,000 | B & J EXCAVATING | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | BANDANA INSTALLATION, L.P. | ELKHART, TX | Southside Bank |
| $350,000–1 million | BARCLAY ENTERPRISES, INC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | BEHAVIOR AND LANGUAGE TREATMENT CENTER | TYLER, TX | Southside Bank |
| $150,000–350,000 | BELLA CORP | TYLER, TX | Southside Bank |
| $150,000–350,000 | BELLE STATION, LLC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | BELTCO SERVICES LLC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | BENTZ PHYSICAL THERAPY, P.C. | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | BERRY MARBLE COMPANY INC. | TYLER, TX | Southside Bank |
| $350,000–1 million | BETHESDA HEALTH CLINIC | TYLER, TX | Southside Bank |
| $150,000–350,000 | BETTER WAY MANAGEMENT, LLC | AUSTIN, TX | Southside Bank |
| $350,000–1 million | BIOMAX SPRAY FOAM INSULATION, LLC | FLINT, TX | Southside Bank |
| $350,000–1 million | BISHOP T K GORMAN REGIONAL SCHOOL | TYLER, TX | Southside Bank |
| $150,000–350,000 | BLUE WATER STEEL SERVICE LLC | CLEVELAND, TX | Southside Bank |
| $150,000–350,000 | BOOZER-LINDSEY PA | ATHENS, TX | Southside Bank |
| $150,000–350,000 | BOSWORTH & ASSOCIATES, INC | TYLER, TX | Southside Bank |
| $350,000–1 million | BOTTLE CAP ALLEY, LLC | SOUTHLAKE, TX | Southside Bank |
| $150,000–350,000 | BOYS & GIRLS CLUBS OF THE BIG PINES | LONGVIEW, TX | Southside Bank |
| $150,000–350,000 | BP AERO ENGINE SERVICES, LLC | IRVING, TX | Southside Bank |
| $1–2 million | BP AERO SERVICES, LLC | IRVING, TX | Southside Bank |
| $350,000–1 million | BP AEROSPACE LLC | IRVING, TX | Southside Bank |
| $350,000–1 million | BRASWELL PAINT COMPANY INC | TYLER, TX | Southside Bank |
| $350,000–1 million | BREEDLOVE LANDSCAPE COMPANY | TYLER, TX | Southside Bank |
| $350,000–1 million | BRIDGEWAY HEALTH SERVICE, INC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | BROADCAST WORKS | BULLARD, TX | Southside Bank |
| $150,000–350,000 | BROSON, INC. | GILMER, TX | Southside Bank |
| $150,000–350,000 | BSRK INC. | TYLER, TX | Southside Bank |
| $1–2 million | BURGERWORKS TEXAS, LLC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | C.W. RESOURCES, INC. | LONGVIEW, TX | Southside Bank |
| $350,000–1 million | C3 OIL COMPANY | JASPER, TX | Southside Bank |
| $150,000–350,000 | CABLE STRONG ENTERPRISES LLC | TYLER, TX | Southside Bank |
| $350,000–1 million | CALVARY MEDICAL, P.A. | CLEVELAND, TX | Southside Bank |
| $150,000–350,000 | CANCER CARE SERVICES | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | CAPTAIN ERMO, LLC | TYLER, TX | Southside Bank |
| $150,000–350,000 | CARROWAY FUNERAL HOME | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | CASCADE HEALTH SERVICES | LUFKIN, TX | Southside Bank |
| $350,000–1 million | CASCADE KENDALL HEALTH SERVICES, LTD. | LUFKIN, TX | Southside Bank |
| $350,000–1 million | CASCADE MEDINA HEALTH SERVICES, LTD | CASTROVILLE, TX | Southside Bank |
| $150,000–350,000 | CATHEDRAL OF THE IMMACULATE CONCEPTION CHURCH | TYLER, TX | Southside Bank |
| $150,000–350,000 | CENTRIC DENTAL LABORATORY, INC | BULLARD, TX | Southside Bank |
| $1–2 million | CHARLES L HEATON MD PA | TYLER, TX | Southside Bank |
| $150,000–350,000 | CHEROKEE STEEL FABRICATORS INC | WHITE OAK, TX | Southside Bank |
| $150,000–350,000 | CHILDREN'S ADVOCACY CENTER OF SMITH COUNTY, INC | TYLER, TX | Southside Bank |
| $150,000–350,000 | CHRIST EPISCOPAL CHURCH | TYLER, TX | Southside Bank |
| $150,000–350,000 | CINEMATECH SEATING INC. | ADDISON, TX | Southside Bank |
| $150,000–350,000 | CLASSIC TEJAS CONSTRUCTION INC. | EULESS, TX | Southside Bank |
| $350,000–1 million | CLASSIC TYLER MOTORS II, INC | TYLER, TX | Southside Bank |
| $1–2 million | CLASSIC TYLER MOTORS, INC. | TYLER, TX | Southside Bank |
| $2–5 million | CLEVELAND MACK SALES, INC | CLEVELAND, TX | Southside Bank |
| $1–2 million | CLW, INC | CLEVELAND, TX | Southside Bank |
| $1–2 million | CONDOR PIPELINE SERVICES, LLC | ODESSA, TX | Southside Bank |
| $5–10 million | CONTINENTAL CARBON COMPANY | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | COOKSEY COMMUNICATIONS, INC | IRVING, TX | Southside Bank |
| $150,000–350,000 | COPELAND CREEK DENTAL | TYLER, TX | Southside Bank |
| $150,000–350,000 | CORDILLERA RANCH PROPERTY OWNERS ASSOCIATIONS INC | BOERNE, TX | Southside Bank |
| $350,000–1 million | COSMEC, INC. | ATHENS, TX | Southside Bank |
| $350,000–1 million | COWTOWN EXPRESS INC | FORT WORTH, TX | Southside Bank |
| $1–2 million | CRISP INDUSTIES, INC | BRIDGEPORT, TX | Southside Bank |
| $150,000–350,000 | CROWN COLONY COUNTRY CLUB, INC. | LUFKIN, TX | Southside Bank |
| $350,000–1 million | CSB LOGISTICS LLC | TYLER, TX | Southside Bank |
| $2–5 million | CUSTOM COMMODITIES, INC | VINITA, OK | Southside Bank |
| $150,000–350,000 | CUTTWATER HOLDINGS LLC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | D & S VAUGHAN ENTERPRICES, INC | LONGVIEW, TX | Southside Bank |