| $1–2 million | INTREPID STAFFING SERVICES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTREPID STAFFING SERVICES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTRUDER ALERT SYSTEMS, INC. | SAN ANTONIO, TX | Vantage Bank Texas |
| $150,000–350,000 | IPAC BODY SHOP, LLC | SAN ANTONIO, TX | First Source Federal Credit Union |
| $150,000–350,000 | IPAC PRE-OWNED AUTO, LLC | SAN ANTONIO, TX | First Source Federal Credit Union |
| $350,000–1 million | IPP-IMPROVED PIPING PRODUCTS, INC. | SAN ANTONIO, TX | East West Bank |
| $2–5 million | IPSECURE INC | SAN ANTONIO, TX | Frost Bank |
| $2–5 million | IR PAYROLL SERVICES, INC. | SAN ANTONIO, TX | Texas Capital Bank |
| $350,000–1 million | IRISH IDEAS, LTD | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | IRON HORSE RV INC | SAN ANTONIO, TX | Truist Bank |
| $150,000–350,000 | ISI AGENCY, LLC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | ITHACA INVESTMENTS, LTD | SAN ANTONIO, TX | PlainsCapital Bank |
| $150,000–350,000 | ITI SOLUTIONS INC | SAN ANTONIO, TX | Credit Human Federal Credit Union |
| $150,000–350,000 | J & L ELECTRIC, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | J & T CORPUS HOLDINGS, INC. | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | J AND R SALES INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | J R (JOE) RAMON & SONS, INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | J&P PAVING CO INC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | J. STEWART CONSTRUCTION, LLC | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | J. W. DIELMANN, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | J.E. TRAVIS PAINTING, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | J.H. DESIGN, LP | SAN ANTONIO, TX | Vantage Bank Texas |
| $350,000–1 million | JAC BAKERY LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JAG PUBLIC SAFETY LLC | SAN ANTONIO, TX | River City FCU |
| $150,000–350,000 | JAIRALA CORP | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | JAMES R. VAN WINKLE | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JAMIE GRAHAM & ASSOCIATES PLLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JANE ENVY, LLC | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | JANICEK LAW FIRM P.C. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JAPHET ENTERPRISES LLC | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | JAS DEVELOPMENT CORP | SAN ANTONIO, TX | PlainsCapital Bank |
| $150,000–350,000 | JAT PARTNERS, LLC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JAWANDA NEWSOME ABA AND BEHAVIORAL SERICES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JAYASREE RAO, MD PA | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | JAZZ IN THE BASEMENT LP | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | JAZZ IN THE BASEMENT, LP | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | JCD PROPERTIES, LP | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | JDSA I, LTD. | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | JEFF BONNER R&D, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JEFFERSON FAMILY PRACTICE ASSOCIATES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JEREMY C. JONES MD, PLLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JEROME COHEN | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JET CLIPS LLC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JET MECHANICAL, INC | SAN ANTONIO, TX | Broadway National Bank |
| $1–2 million | JET WEB COMMUNICATIONS LLC | SAN ANTONIO, TX | Texas Partners Bank |
| $150,000–350,000 | JEWEL'S COMMERCIAL CLEANING LLC | SAN ANTONIO, TX | Texas Capital Bank |
| $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 | 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 | Equity Bank |
| $350,000–1 million | JMI CONTRACTORS LLC | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | JOE A GAMEZ LAW FIRM, PC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JOE M. LOPEZ | SAN ANTONIO, TX | TXN 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. 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 | Texas Partners Bank |
| $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 | American Bank National Association |
| $350,000–1 million | JONECO INC | SAN ANTONIO, TX | Wells Fargo Bank, National Association |
| $150,000–350,000 | JONPROP LTD | SAN ANTONIO, TX | Simmons Bank |
| $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 | JSW DIVERSIFIED LLC | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | JTM EMPLOYEE LEASING, LLC | SAN ANTONIO, TX | Vantage Bank Texas |
| $150,000–350,000 | JTM TRANSPORT INC | SAN ANTONIO, TX | Vantage Bank Texas |
| $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 |
| $150,000–350,000 | JUNIOR ACHIEVEMENT OF SOUTH TEXAS | SAN ANTONIO, TX | Frost Bank |
| $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 |
| $350,000–1 million | K PARTNERS HOSPITALITY USA, LLC | SAN ANTONIO, TX | Texas Partners Bank |
| $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 | KAIROI MANAGEMENT, LLC | SAN ANTONIO, TX | Texas Partners Bank |
| $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 | Texas Partners 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 |