| $350,000–1 million | RIVICOR RESTAURANTS, LTD. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RJ RIVERA ASSOCIATES INC. | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | RK CULINARY GROUP, LLC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $350,000–1 million | RL JONES LP | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | ROBERT A NORRIS, DDS, PA | SAN ANTONIO, TX | Vantage Bank Texas |
| $150,000–350,000 | ROBERT G. SZEWC, M.D., P.A. | SAN ANTONIO, TX | Texas Champion Bank |
| $150,000–350,000 | ROBERT N. SCHNITZLER, MD, PA | SAN ANTONIO, TX | International Bank of Commerce |
| $150,000–350,000 | ROCHAL INDUSTRIES LLC | SAN ANTONIO, TX | Cadence Bank, National Association |
| $150,000–350,000 | ROCKIT SHEARS INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROCO FOOD MANAGEMENT LLC | SAN ANTONIO, TX | Bremer Bank, National Association |
| $150,000–350,000 | RODDIS LUMBER & VENEER CO LP | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RODRIGUEZ & SONS INC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROGER CHRISTIAN AND CO., INC | SAN ANTONIO, TX | Comerica Bank |
| $2–5 million | ROGER WARD - SAN ANTONIO, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROHDE REALTY, INC. | SAN ANTONIO, TX | First National Bank Texas |
| $150,000–350,000 | ROHMAN SERVICES, INC. | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | ROMO MEDICAL EQUIPMENT, LLC | SAN ANTONIO, TX | Newtek Small Business Finance, Inc. |
| $150,000–350,000 | RON BLANK & ASSOCIATES, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RONALD MCDONALD HOUSE CHARITIES OF SAN ANTONIO | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RONJON RENTALS, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROSARIOS SAN PEDRO, INC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROSELLA MANAGEMENT, LLC | SAN ANTONIO, TX | Lone Star National Bank |
| $350,000–1 million | ROSENTHAL PAUERSTEIN SANDOLOSKI AGATHER LLP | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ROSS ELECTRIC COMPANY, INC. | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | ROSS FAMILY CLINICS, PLLC | SAN ANTONIO, TX | Lone Star Capital Bank, National Association |
| $350,000–1 million | ROSS MOLINA OLIVEROS, P.C. | SAN ANTONIO, TX | Comerica Bank |
| $1–2 million | ROTHE DEVELOPMENT INC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $350,000–1 million | ROTHE ENTERPRISES INC. | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $1–2 million | ROY MAAS YOUTH ALTERNATIVES INC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | ROYBERG INC. | SAN ANTONIO, TX | International Bank of Commerce |
| $150,000–350,000 | RSR JACKSON LLC | SAN ANTONIO, TX | First Commercial Bank, National Association |
| $150,000–350,000 | RTSA OPERATIONS I, LP | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | RUBIOLA CONSTRUCTION COMPANY | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RUDEL FAMILY LIMITED PARTNERSHIP | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RUELAS MANAGEMENT SERVICES LLC | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | RUIZ AND FORSH JV LLC | SAN ANTONIO, TX | First National Bank Texas |
| $150,000–350,000 | RUIZ AND LOUVIN ENTERPRISES, LLC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $150,000–350,000 | RVPP, LLC | SAN ANTONIO, TX | Sonabank |
| $150,000–350,000 | RWPK, PLLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | RYC FOODS LLC | SAN ANTONIO, TX | BBVA USA |
| $150,000–350,000 | S. POTTS & PROFESSIONALS, INC. | SAN ANTONIO, TX | Lone Star Capital Bank, National Association |
| $350,000–1 million | S.A. FIVE STAR CLEANER #2, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | S.A. RITEWAY SERVICE COMPANY | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | S.A.O.S., PLLC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | SA BIKE WORLD LLC | SAN ANTONIO, TX | Cadence Bank, National Association |
| $150,000–350,000 | SA CHRISTIAN HOPE RESOURCE CENTER, INC | SAN ANTONIO, TX | The Bank of San Antonio |
| $150,000–350,000 | SA HOU ALAMO LLC | SAN ANTONIO, TX | Jefferson Bank |
| $150,000–350,000 | SA LIBERTY FIELD PREP SCHOOL | SAN ANTONIO, TX | Zions Bank, A Division of |
| $150,000–350,000 | SA PIZZA HOLDING LLC | SAN ANTONIO, TX | City National Bank of Florida |
| $350,000–1 million | SA QUALITY FENCE, LTD. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SA SCIENTIFIC LTD | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | SA SERENITY NOW INC | SAN ANTONIO, TX | Zions Bank, A Division of |
| $150,000–350,000 | SA SPECIALTIES SAN ANTONIO, LLC | SAN ANTONIO, TX | BBVA USA |
| $150,000–350,000 | SA STRUCTURAL REPAIR SOLUTIONS LLC | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | SA YOUTH | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | SACOLO LTD | SAN ANTONIO, TX | Broadway National Bank |
| $350,000–1 million | SAEZ INDUSTRIES INC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAFETY SERVICES, INC | SAN ANTONIO, TX | BBVA USA |
| $150,000–350,000 | SAFETY SUPPLY, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAFEWAY SUPPLY INC | SAN ANTONIO, TX | Texas Capital Bank, National Association |
| $1–2 million | SAFZONE FIELD SERVICES, LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAGE ENERGY COMPANY | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | SAGEBIEL RAVENBURG & SCHUH PC | SAN ANTONIO, TX | PlainsCapital Bank |
| $150,000–350,000 | SAGELEAF CUSTOM HOMES, LLC | SAN ANTONIO, TX | First National Bank Texas |
| $150,000–350,000 | SAGRAY ENTERPRISES, INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SAINT DAVID'S EPISCOPAL CHURCH OF SAN ANTONIO, TEXAS | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAINT THOMAS EPISCOPAL CHURCH OF SAN ANTONIO, TEXAS | SAN ANTONIO, TX | Broadway National Bank |
| $150,000–350,000 | SAK GROUP, INC. | SAN ANTONIO, TX | Zions Bank, A Division of |
| $150,000–350,000 | SALEM APARTMENTS LLC | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | SAMUEL DEAN SHEET METAL INC. | SAN ANTONIO, TX | Business Bank of Texas, National Association |
| $350,000–1 million | SAMUELS GLASS COMPANY, LLC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SAN ANTONIO AIDS FOUNDATION | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO AQUARIUM, LLC | SAN ANTONIO, TX | Wells Fargo Bank, National Association |
| $350,000–1 million | SAN ANTONIO AREA FOUNDATION | SAN ANTONIO, TX | Jefferson Bank |
| $350,000–1 million | SAN ANTONIO ARMATURE WORKS, INC. | SAN ANTONIO, TX | Spirit of Texas Bank, SSB |
| $150,000–350,000 | SAN ANTONIO ARTHRITIS CARE CENTERS, P.L.L.C. | SAN ANTONIO, TX | BBVA USA |
| $150,000–350,000 | SAN ANTONIO ASSISTING SERVICES, LLC DBA SURGERY PROFESSIONALS | SAN ANTONIO, TX | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | SAN ANTONIO ATHRUZ PEDIATRICS | SAN ANTONIO, TX | Celtic Bank Corporation |
| $1–2 million | SAN ANTONIO AUTO ACQUISITIONS INC | SAN ANTONIO, TX | Truist Bank d/b/a Branch Banking & Trust Co |
| $150,000–350,000 | SAN ANTONIO BARIATRIC OFFICE SERVICES LLC | SAN ANTONIO, TX | Zions Bank, A Division of |
| $150,000–350,000 | SAN ANTONIO BELTING & PULLEY COMPANY, INC. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SAN ANTONIO BOTANICAL GARDEN SOCIETY | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO BOWL ASSOCIATION | SAN ANTONIO, TX | Spirit of Texas Bank, SSB |
| $150,000–350,000 | SAN ANTONIO BRAKE AND CLUTCH SERVICE, INC. | SAN ANTONIO, TX | Texas Heritage Bank |
| $150,000–350,000 | SAN ANTONIO BV LCP OPERATING GROUP, LLC | SAN ANTONIO, TX | Main Street Bank |
| $150,000–350,000 | SAN ANTONIO CHRISTIAN DENTAL CLINIC, INC. | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | SAN ANTONIO CHRISTIAN SCHOOL | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO CONSERVATION SOCIETY | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SAN ANTONIO CONSTRUCTORS LTD. | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | SAN ANTONIO COUNCIL ON ALCOHOL AND DRUG AWARENESS | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO EDUCATION FUND | SAN ANTONIO, TX | Bank of America, National Association |
| $150,000–350,000 | SAN ANTONIO EQUIPMENT REPAIR, INC | SAN ANTONIO, TX | Northeast Bank |
| $150,000–350,000 | SAN ANTONIO EXTENDED MEDICAL CARE, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO EYE BANK | SAN ANTONIO, TX | Frost Bank |
| $2–5 million | SAN ANTONIO EYE CENTER, P.A. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO FAMILY PHYSICIANS, PA | SAN ANTONIO, TX | Spirit of Texas Bank, SSB |
| $150,000–350,000 | SAN ANTONIO FENCE CO. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO FLOOR FINISHERS, INC. | SAN ANTONIO, TX | Broadway National Bank |
| $2–5 million | SAN ANTONIO FOOD BANK | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | SAN ANTONIO HAIR PURSUIT LLC | SAN ANTONIO, TX | Stearns Bank National Association |