| $1–2 million | JET WEB COMMUNICATIONS LLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | JEWEL'S COMMERCIAL CLEANING LLC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | JEWISH FAMILY SERVICE OF SAN ANTONIO, TEXAS, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JEWISH FEDERATION OF SAN ANTONIO | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JHT VENTURE INC | SAN ANTONIO, TX | WebBank |
| $150,000–350,000 | JIM DUNWORTH INC | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | JKR SITE CONTROL, LLC | SAN ANTONIO, TX | Sage Capital Bank |
| $350,000–1 million | JLB OPERATIONS, LTD. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JLN, LLC | SAN ANTONIO, TX | American State Bank & Trust Company |
| $350,000–1 million | JMI CONTRACTORS LLC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JMS MANAGEMENT, INC | SAN ANTONIO, TX | Signature Bank |
| $150,000–350,000 | JOE A GAMEZ LAW FIRM, PC | SAN ANTONIO, TX | Frost Bank |
| $5–10 million | JOERIS GENERAL CONTRACTORS, LTD. | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | JOHN DYLAN CAREY DDS, PLLC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JOHN L HOLCOMB INC | SAN ANTONIO, TX | Business Bank of Texas, National Association |
| $150,000–350,000 | JOHN L. COVERT,DDS,PA | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | JOHN SYTSMA | SAN ANTONIO, TX | SouthTrust Bank, National Association |
| $350,000–1 million | JOHNSON BROS BAKERY SUPPLY, INC. | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | JOHNSON VENTURE MANAGEMENT SOLUTIONS, INC. | SAN ANTONIO, TX | Cross River Bank |
| $2–5 million | JON WAYNE HEATING & AIR CONDITIONING, LTD. | SAN ANTONIO, TX | TexStar National Bank |
| $350,000–1 million | JONECO INC | SAN ANTONIO, TX | Wells Fargo Bank, National Association |
| $150,000–350,000 | JONPROP LTD | SAN ANTONIO, TX | Spirit of Texas Bank, SSB |
| $350,000–1 million | JOSEPH E MARTIN MD PA | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JOSKEN SOLUTIONS LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JPD ENVIRONMENTAL & DEMOLITION INC | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $350,000–1 million | JS JAM ENTERPRISES LLC | SAN ANTONIO, TX | International Bank of Commerce |
| $150,000–350,000 | JSRC LLC | SAN ANTONIO, TX | Texas Regional Bank |
| $150,000–350,000 | JUAN CARLOS GARZA, M.D., P.A. | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | JUAREZ& JUAREZ FAMILY MEDICAL CLINIC INC | SAN ANTONIO, TX | Broadway National Bank |
| $1–2 million | JULIAN GOLD LTD | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | JUNGLE DISK, LLC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | JUNIOR ACHIEVEMENT OF SOUTH TEXAS, INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | JURIS MEDICUS, LLC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $350,000–1 million | K PARTNERS HOSPITALITY USA, LLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | K PARTNERS RIDGECREST I LP | SAN ANTONIO, TX | First American Bank |
| $150,000–350,000 | K-DIAZ ENTERPRISE | SAN ANTONIO, TX | Bank of America, National Association |
| $350,000–1 million | K. L. DURHAM CONSTRUCTION LLC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | K3 LOGISTICS LLC | SAN ANTONIO, TX | Jefferson Bank |
| $2–5 million | KAHLIG MOTOR COMPANY, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $2–5 million | KAIROI MANAGEMENT, LLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | KAMARAYA LP | SAN ANTONIO, TX | City Bank |
| $150,000–350,000 | KBK INC. | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | KC ADVENTURES, INC. | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | KCB CONSTRUCTION, LLC | SAN ANTONIO, TX | Texas Champion Bank |
| $350,000–1 million | KCLC LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | KCM CABINETS INC | SAN ANTONIO, TX | Frost Bank |
| $2–5 million | KEITH ZARS POOL, LTD. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | KELLER ADVERTISING & MEDIA SERVICES, INC | SAN ANTONIO, TX | International Bank of Commerce |
| $150,000–350,000 | KELLER WILLIS SAN ANTONIO, INC | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | KELLER-MARTIN CONSTRUCTION, INC. | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | KELLOGG & SOVEREIGN CONSULTING LLC | SAN ANTONIO, TX | Simmons Bank |
| $350,000–1 million | KELLUM MEDICAL GROUP PA | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | KEN'S TEXACO, LTD. | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | KEN'S TIRE & AUTO SERVICE, LLC | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | KENNEDY SUTHERLAND, LLP | SAN ANTONIO, TX | Broadway National Bank |
| $1–2 million | KEYSTONE SCHOOL | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | KFH ENTERPRISES, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $1–2 million | KFW MANAGEMENT LLC | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | KFW SURVEYING, LLC | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | KGBTEXAS MARKETING/PUBLIC RELATIONS INC | SAN ANTONIO, TX | International Bank of Commerce |
| $350,000–1 million | KHOURY AUTOWORLD, LLC | SAN ANTONIO, TX | Amarillo National Bank |
| $150,000–350,000 | KIDDO DENTAL PA | SAN ANTONIO, TX | Bank of America, National Association |
| $350,000–1 million | KIM TINDALL & ASSOCIATES, LLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $2–5 million | KIOLBASSA PROVISION COMPANY, INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | KKH RENTALS, INC. | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $350,000–1 million | KLECKA ELECTRIC COMPANY INC | SAN ANTONIO, TX | Prosperity Bank |
| $150,000–350,000 | KLENKE & ASSOCIATES, P.A. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | KLOVE ENGINEERING, LLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $350,000–1 million | KM REMODELING, LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | KMAC CONSTRUCTION SERVICES, INC. | SAN ANTONIO, TX | Lone Star Capital Bank, National Association |
| $350,000–1 million | KNIGHT AEROSPACE MEDICAL SYSTEMS, LLC | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | KNIGHT OFFICE SOLUTIONS, INC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | KOGI KOREAN GRILL | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | KOHM & ASSOCIATES, P.C. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | KOONTZ DEVELOPMENT, LLC | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | KOPPLOW CONSTRUCTION COMPANY, INC. | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | KREAGER MITCHELL, PLLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | KRISHNA SAN ANTONIO LLC | SAN ANTONIO, TX | Moody National Bank |
| $150,000–350,000 | KRZ4BAMA DBA ALWAYS BEST CARE SENIOR SERVICES | SAN ANTONIO, TX | Spirit of Texas Bank, SSB |
| $350,000–1 million | KTS PARTNERS, INC. | SAN ANTONIO, TX | First United Bank and Trust Company |
| $150,000–350,000 | KUEST CORPORATION | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | L & M SHEET METAL & STEEL FABRICATORS, INC. | SAN ANTONIO, TX | SouthTrust Bank, National Association |
| $150,000–350,000 | L B T ENTERPRISES INC. DBA GREAT NORTHWEST RECYCLING | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | L C DISTRIBUTING INC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | L.P. BANDERA LTD. | SAN ANTONIO, TX | The Bank of San Antonio |
| $350,000–1 million | LA FOGATA COMIDA | SAN ANTONIO, TX | Bank OZK |
| $350,000–1 million | LA GLORIA CAPITAL, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | LA GLORIA DOMINION, LLC | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | LA HACIENDA DE LOS BARRIOS, LLC | SAN ANTONIO, TX | International Bank of Commerce |
| $150,000–350,000 | LA HACIENDA DEL NORTE, LLC | SAN ANTONIO, TX | International Bank of Commerce |
| $350,000–1 million | LA-Z-BOY FURNITURE GALLERIES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | LABOR ON DEMAND INC DBA LOD RESOURCE GROUP | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | LADZ GROUP, LTD. | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | LAFONDA INCORPORATED | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | LAKANE LLC | SAN ANTONIO, TX | Celtic Bank Corporation |
| $1–2 million | LAKE FLATO ARCHITECTS | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | LAKE LIVINGSTON TELEPHONE COMPANY | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | LAKE TRUCK LINE, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | LANGE POTEET & CO LLP | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | LANGE THOMPSON INC | SAN ANTONIO, TX | Texas Champion Bank |