| $150,000–350,000 | FC 360 INC. | FORT WORTH, TX | Southside Bank |
| $350,000–1 million | FEW READY MIX CONCRETE CO. | JASPER, TX | Southside Bank |
| $1–2 million | FIBER NETWORK SOLUTIONS, INC. | TYLER, TX | Southside Bank |
| $150,000–350,000 | FLOWERS DAVIS, PLLC | TYLER, TX | Southside Bank |
| $350,000–1 million | FLOWERS TITLE COMPANIES LLC | TYLER, TX | Southside Bank |
| $150,000–350,000 | FOAM PRODUCTS OF TYLER INC | Tyler, TX | Southside Bank |
| $150,000–350,000 | FOAM PRODUCTS OF TYLER, INC. | TYLER, TX | Southside Bank |
| $350,000–1 million | FORT WORTH AREA HABITAT FOR HUMANITY, INC. | FORT WORTH, TX | Southside Bank |
| $350,000–1 million | FOUNDER'S COMMERCIAL, LTD. | TYLER, TX | Southside Bank |
| $350,000–1 million | FOUR SEASONS WOMENS HEALTH PA | TYLER, TX | Southside Bank |
| $150,000–350,000 | FRICKS PALLET COMPANY, LLC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | FRIESEN-STRAIN INSURANCE ASSOCIATES INC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | G&S LUMBER CO. INC. | Nacogdoches, TX | Southside Bank |
| $150,000–350,000 | G&S LUMBER CO., INC. | NACOGDOCHES, TX | Southside Bank |
| $150,000–350,000 | GAMA OILFIELD SERVICES | Nacogdoches, TX | Southside Bank |
| $150,000–350,000 | GAMA OILFIELD SERVICES, INC. | NACOGDOCHES, TX | Southside Bank |
| $150,000–350,000 | GARRETT & ASSOCIATES GENERAL CONTRACTORS | WHITEHOUSE, TX | Southside Bank |
| $150,000–350,000 | GARRETT & ASSOCIATES GENERAL CONTRACTORS | Whitehouse, TX | Southside Bank |
| $150,000–350,000 | GEESLING, LLC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | GENECOV GROUP, INC. | TYLER, TX | Southside Bank |
| $2–5 million | GIDEON TOAL MANAGEMENT SERVICES | Fort Worth, TX | Southside Bank |
| $1–2 million | GIDEON TOAL MANAGEMENT SERVICES, LLC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | GLEN E. TROUT CO. INC | Porter, TX | Southside Bank |
| $150,000–350,000 | GLEN E. TROUT COMPANY, INC. | PORTER, TX | Southside Bank |
| $150,000–350,000 | GOFF & HERRINGTON, PC | LUFKIN, TX | Southside Bank |
| $350,000–1 million | GOLD STAR METALS, LLC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | GOLDEN LOVE, INC. | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | GOOD SHEPHERD EVANGELICAL LUTHERAN CHURCH | CEDAR PARK, TX | Southside Bank |
| $350,000–1 million | GOODWILL INDUSTRIES OF CENTRAL EAST TEXAS, INC. | LUFKIN, TX | Southside Bank |
| $1–2 million | GOODWILL INDUSTRIES OF EAST TEXAS | Tyler, TX | Southside Bank |
| $1–2 million | GOODWILL INDUSTRIES OF EAST TEXAS, INC. | TYLER, TX | Southside Bank |
| $1–2 million | GOODWIN LASITER INC | LUFKIN, TX | Southside Bank |
| $350,000–1 million | GP GROUP OF COMPANIES LLC | Grapevine, TX | Southside Bank |
| $350,000–1 million | GP GROUP OF COMPANIES, LLC | GRAPEVINE, TX | Southside Bank |
| $150,000–350,000 | GREEN ACRES BAPTIST CHURCH | TYLER, TX | Southside Bank |
| $1–2 million | GREEN ACRES BAPTIST CHURCH, TYLER TX | TYLER, TX | Southside Bank |
| $150,000–350,000 | GREENBERG SMOKED TURKEY INC. | Tyler, TX | Southside Bank |
| $150,000–350,000 | GREENBERG SMOKED TURKEY, INC. | TYLER, TX | Southside Bank |
| $150,000–350,000 | GROUPM7, INC | TYLER, TX | Southside Bank |
| $1–2 million | GRUBBS NISSAN LLC | SOUTHLAKE, TX | Southside Bank |
| $150,000–350,000 | GUY HANCOCK INVESTMENTS INC. | NEW CANEY, TX | Southside Bank |
| $1–2 million | GVCS INC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | H5 FARMS LLC | Timpson, TX | Southside Bank |
| $150,000–350,000 | HEYL HOMES INC. | WEST LAKE HILLS, TX | Southside Bank |
| $2–5 million | HOSPICE OF EAST TEXAS | TYLER, TX | Southside Bank |
| $150,000–350,000 | HOUSTON HEART RHYTHM | Houston, TX | Southside Bank |
| $150,000–350,000 | HOUSTON HEART RHYTHM PLLC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | HOWARD MCKINNEY INC. | Tyler, TX | Southside Bank |
| $150,000–350,000 | HOWARD-MCKINNEY, INC. | TYLER, TX | Southside Bank |
| $350,000–1 million | HPI ENERGY SERVICES LLC | Houston, TX | Southside Bank |
| $350,000–1 million | HPI ENERGY SERVICES, LLC | HOUSTON, TX | Southside Bank |
| $2–5 million | HRS MANAGEMENT LLC | Lufkin, TX | Southside Bank |
| $2–5 million | HRS MANAGEMENT, LLC | LUFKIN, TX | Southside Bank |
| $350,000–1 million | HUBBARD EXPRESS AIR FREIGHT & DELIVERY LLC | CHANDLER, TX | Southside Bank |
| $150,000–350,000 | IMPRESSIVE IMAGE WORKS, INC. | TYLER, TX | Southside Bank |
| $350,000–1 million | INNOVATIVE RISK MANAGEMENT, INC. | TYLER, TX | Southside Bank |
| $350,000–1 million | INTENSE WIRELINE SOLUTIONS LLC. | Tyler, TX | Southside Bank |
| $350,000–1 million | INTENSE WIRELINE SOLUTIONS, LLC | TYLER, TX | Southside Bank |
| $350,000–1 million | INTERNATIONAL ASSN OF HOSPITALITY ACCOUN | Austin, TX | Southside Bank |
| $350,000–1 million | IPS INDUSTRIES, INC. | CERRITOS, CA | Southside Bank |
| $150,000–350,000 | J & L AUSTO SALES, INC. | TYLER, TX | Southside Bank |
| $150,000–350,000 | J CHANG INC. | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | J MOR MACHINERY MOVERS, INC | FORT WORTH, TX | Southside Bank |
| $150,000–350,000 | J.L. SMITH ACADEMY AUSTIN, LLC | AUSTIN, TX | Southside Bank |
| $150,000–350,000 | JACK ALEXANDER LTD | Lufkin, TX | Southside Bank |
| $150,000–350,000 | JACK ALEXANDER, LTD | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | JAMES BRADLEY HODGES | POLLOK, TX | Southside Bank |
| $2–5 million | JASPER VENTURES INC. | Whitehouse, TX | Southside Bank |
| $5–10 million | JASPER VENTURES, INC. | WHITEHOUSE, TX | Southside Bank |
| $150,000–350,000 | JDB CHILD DEVELOPMENT INC. | Fort Worth, TX | Southside Bank |
| $150,000–350,000 | JDB CHILD DEVELOPMENT, INC | BENBROOK, TX | Southside Bank |
| $150,000–350,000 | JDRA ENTERPRISES INC. | Lufkin, TX | Southside Bank |
| $150,000–350,000 | JDRA ENTERPRISES, INC. | LUFKIN, TX | Southside Bank |
| $350,000–1 million | JEWELL HUDGENS, INC | LUFKIN, TX | Southside Bank |
| $150,000–350,000 | JLB-MCADAMS ENTERPRISES, INC. | CENTER, TX | Southside Bank |
| $150,000–350,000 | JNP MSO LLC | Houston, TX | Southside Bank |
| $150,000–350,000 | JNP MSO, LLC | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | JOHN CHANG INC | Houston, TX | Southside Bank |
| $350,000–1 million | JUNIOR ACHIEVEMENT OF SOUTHEAST TEXAS | Houston, TX | Southside Bank |
| $350,000–1 million | JUNIOR ACHIEVEMENT OF SOUTHEAST TEXAS, INC. | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | KBSR INC. | Tyler, TX | Southside Bank |
| $150,000–350,000 | KBSR, INC | TYLER, TX | Southside Bank |
| $150,000–350,000 | KEN K. MILLER, ATTORNEY | TYLER, TX | Southside Bank |
| $150,000–350,000 | KEN MILLER | Tyler, TX | Southside Bank |
| $2–5 million | KENNEDY FABRICATING, LLC | SPLENDORA, TX | Southside Bank |
| $150,000–350,000 | KENT B BOOZER DDS PA | Tyler, TX | Southside Bank |
| $150,000–350,000 | KENT B BOOZER DDS PA | TYLER, TX | Southside Bank |
| $350,000–1 million | KIEPERSOL ENTERPRISES INC | Tyler, TX | Southside Bank |
| $150,000–350,000 | KIEPERSOL ENTERPRISES, INC. | TYLER, TX | Southside Bank |
| $150,000–350,000 | KIMPA, INC | TYLER, TX | Southside Bank |
| $1–2 million | KINGHAM DALTON WILSON LTD | HOUSTON, TX | Southside Bank |
| $150,000–350,000 | KRISTYNIK HARDWOOD FLOORING INC. | Austin, TX | Southside Bank |
| $150,000–350,000 | KRISTYNIK HARDWOOD FLOORING, INC. | AUSTIN, TX | Southside Bank |
| $150,000–350,000 | LAKE WORTH HOTEL CORPORATION | Irving, TX | Southside Bank |
| $150,000–350,000 | LANIER REPRESENTATION GROUP INC. | Jasper, TX | Southside Bank |
| $150,000–350,000 | LANIER REPRESENTATION GROUP, INC. | JASPER, TX | Southside Bank |
| $350,000–1 million | LAW OFFICES OF GARRY L DAVIS | DALLAS, TX | Southside Bank |
| $350,000–1 million | LAW OFFICES OF GARRY L DAVIS PC | Dallas, TX | Southside Bank |
| $150,000–350,000 | LAW OFFICES OF JASON MILLS, PLLC | FORT WORTH, TX | Southside Bank |
| $350,000–1 million | LIFETIME WELLNESS, LTD | TYLER, TX | Southside Bank |