| $350,000–1 million | INNOVATIVE PRECAST CONCRETE & SUPPLIES LP | SUGAR LAND, TX | Frost Bank |
| $1–2 million | INPROV LLC | SOUTHLAKE, TX | Frost Bank |
| $150,000–350,000 | INSCIO BUSINESS SOLUTIONS, LLC | PLANO, TX | Frost Bank |
| $2–5 million | INSCO DISTRIBUTING, INC. | SAN ANTONIO, TX | Frost Bank |
| $1–2 million | INSERVIO3 LLC | Georgetown, TX | Frost Bank |
| $1–2 million | INSERVIO3 LLC | GEORGETOWN, TX | Frost Bank |
| $150,000–350,000 | INSITE ARCHITECTS INC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INSITE CLINICAL RESEARCH LLC | Dallas, TX | Frost Bank |
| $150,000–350,000 | INSITE CLINICAL RESEARCH, LLC | DALLAS, TX | Frost Bank |
| $150,000–350,000 | INSTALL PARTNERS, LLC | ARLINGTON, TX | Frost Bank |
| $150,000–350,000 | INSULATING PRODUCTS INC | Lewisville, TX | Frost Bank |
| $350,000–1 million | INSULTHERM, INC. | LA PORTE, TX | Frost Bank |
| $150,000–350,000 | INTEGRATED ENVIRONMENTAL SOLUTIONS LLC | MCKINNEY, TX | Frost Bank |
| $2–5 million | INTEGRATED INTERIORS INC | Fort Worth, TX | Frost Bank |
| $2–5 million | INTEGRATED INTERIORS, INC | FORT WORTH, TX | Frost Bank |
| $1–2 million | INTEGRATED TEST CORP | DALLAS, TX | Frost Bank |
| $350,000–1 million | INTEGRATED TESTING AND ENGINEERING COMPANY OF SAN ANTONIO | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | INTEGRITY MANUFACTURING, LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTEGRITY PAIN MANAGEMENT, PLLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTEGRITY PORTER & SERVICES LLC | RICHARDSON, TX | Frost Bank |
| $350,000–1 million | INTELLICURE INC | SPRING, TX | Frost Bank |
| $350,000–1 million | INTELLIGENT ENGINEERING SERVICES LLP | San Antonio, TX | Frost Bank |
| $350,000–1 million | INTELLIGENT ENGINEERING SERVICES, LLP | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTERCOASTAL SALES CO INC | LA PORTE, TX | Frost Bank |
| $150,000–350,000 | INTERCOASTAL SALES CO INC | La Porte, TX | Frost Bank |
| $350,000–1 million | INTERFAITH MINISTRIES FOR GREATER HOUSTON | HOUSTON, TX | Frost Bank |
| $350,000–1 million | INTERMARINE AMERICAS LLC | Houston, TX | Frost Bank |
| $350,000–1 million | INTERNATIONAL CELLULOSE CORPORATION | HOUSTON, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL CHRISTIAN CENTER CHURCH OF BROWNSVILLE | Brownsville, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL CHRISTIAN CENTER CHURCH OF BROWNSVILLE | BROWNSVILLE, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL ENDOSCOPY GROUP LLC | Keller, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL ENDOSCOPY GROUP, LLC | KELLER, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL INNOVATIONS INC. | Austin, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL INNOVATIONS, INC. | AUSTIN, TX | Frost Bank |
| $350,000–1 million | INTERNATIONAL LONGSHOREMENS ASSOCIATION LOCAL 24 | PASADENA, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL MERCHANT SERVICES INC | EULESS, TX | Frost Bank |
| $150,000–350,000 | INTERNATIONAL MERCHANT SERVICES INC | Euless, TX | Frost Bank |
| $350,000–1 million | INTERNATIONAL STANDARD VALVE INC | Stafford, TX | Frost Bank |
| $350,000–1 million | INTERNATIONAL STANDARD VALVE, INC | STAFFORD, TX | Frost Bank |
| $350,000–1 million | INTERSTATE TRAILERS, INC. | MANSFIELD, TX | Frost Bank |
| $1–2 million | INTREPID STAFFING SERVICES | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | INTREPID STAFFING SERVICES | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | IO INTEGRATION INC | Bedford, TX | Frost Bank |
| $350,000–1 million | IO INTEGRATION, INC | CUPERTINO, CA | Frost Bank |
| $2–5 million | IPSECURE INC | SAN ANTONIO, TX | Frost Bank |
| $2–5 million | IPSECURE INC | San Antonio, TX | Frost Bank |
| $1–2 million | IRWIN STEEL LLC | JUSTIN, TX | Frost Bank |
| $1–2 million | ISC ACQUISITION CORP. | HOUSTON, TX | Frost Bank |
| $150,000–350,000 | ISI AGENCY, LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | ISLAND BUSINESS INVESTMENTS LLC | GALVESTON, TX | Frost Bank |
| $150,000–350,000 | ISOGENT PARTNERS, LLC | DALLAS, TX | Frost Bank |
| $150,000–350,000 | ISSGR INC | HOUSTON, TX | Frost Bank |
| $150,000–350,000 | ITC TAX LLC | Houston, TX | Frost Bank |
| $350,000–1 million | IV-CSR, LLC | CARROLLTON, TX | Frost Bank |
| $150,000–350,000 | IVFMD, PA | IRVING, TX | Frost Bank |
| $350,000–1 million | IVG ENERGY LTD | HOUSTON, TX | Frost Bank |
| $350,000–1 million | IVG ENERGY, LTD | HOUSTON, TX | Frost Bank |
| $150,000–350,000 | IZEN HEALTHCARE SERVICES INC | RICHARDSON, TX | Frost Bank |
| $150,000–350,000 | J & S GARDENS, LTD. | CEDAR PARK, TX | Frost Bank |
| $150,000–350,000 | J & S MECHANICAL CONTRACTORS INC | Houston, TX | Frost Bank |
| $350,000–1 million | J & S MECHANICAL CONTRACTORS, INC | HOUSTON, TX | Frost Bank |
| $150,000–350,000 | J & T CORPUS HOLDINGS INC. | San Antonio, TX | Frost 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 |
| $150,000–350,000 | J KIP NIELSON DDS PLLC | AUSTIN, TX | Frost Bank |
| $150,000–350,000 | J KIP NIELSON DDS PLLC | Austin, TX | Frost Bank |
| $350,000–1 million | J R (JOE) RAMON & SONS, INC. | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | J ROBERT DONNELLY | San Marcos, TX | Frost Bank |
| $150,000–350,000 | J THOMAS CARROLL DDS PC | League City, TX | Frost Bank |
| $150,000–350,000 | J WILSON FUQUA & ASSOCIATES, INC. | DALLAS, TX | Frost Bank |
| $150,000–350,000 | J&L GOODE LP | Jersey Village, TX | Frost Bank |
| $150,000–350,000 | J&L GOODE, LP | JERSEY VILLAGE, TX | Frost Bank |
| $350,000–1 million | J&P PAVING CO INC | SAN ANTONIO, TX | Frost Bank |
| $350,000–1 million | J&P PAVING CO INC | San Antonio, TX | Frost Bank |
| $150,000–350,000 | J&S WURZ INC | Kyle, TX | Frost Bank |
| $150,000–350,000 | J-PEAM L.L.C. | Fort Worth, TX | Frost Bank |
| $150,000–350,000 | J-PEAM, L.L.C. | FORT WORTH, TX | Frost Bank |
| $150,000–350,000 | J. BRANDT RECOGNITION, LTD. | FORT WORTH, TX | Frost Bank |
| $350,000–1 million | J. CARROLL WEAVER INC. | Sinton, TX | Frost Bank |
| $350,000–1 million | J. CARROLL WEAVER, INC. | SINTON, TX | Frost Bank |
| $150,000–350,000 | J. M. MALY, INC. | NEW CANEY, TX | Frost Bank |
| $150,000–350,000 | J. PEDRO FROMMER, M.D., P.A. | Houston, TX | Frost Bank |
| $350,000–1 million | J. R. SCHNEIDER CONSTRUCTION, INC. | AUSTIN, TX | Frost Bank |
| $150,000–350,000 | J. SALAZAR CONSTRUCTION, INC. | PALMVIEW, TX | Frost Bank |
| $150,000–350,000 | J. SHELTON ASSOCIATES INC | DALLAS, TX | Frost Bank |
| $1–2 million | J. TAYLOR & ASSOCIATES, LLC | FORT WORTH, TX | Frost Bank |
| $350,000–1 million | J.B. GOODWIN REALTORS INC. | AUSTIN, TX | Frost Bank |
| $350,000–1 million | J.B.'S FINE TEXAS CUISINE LTD | Fort Worth, TX | Frost Bank |
| $150,000–350,000 | J.B.'S FINE TEXAS CUISINE LTD | FORT WORTH, TX | Frost Bank |
| $150,000–350,000 | J.C. BERNARD & ASSOCIATES, INC. | SOUTHLAKE, TX | Frost Bank |
| $1–2 million | J.H. WALKER INC. | Houston, TX | Frost Bank |
| $1–2 million | J.H. WALKER, INC. | HOUSTON, TX | Frost Bank |
| $2–5 million | J.L. CARR ENTERPRISES, INC. | HOUSTON, TX | Frost Bank |
| $350,000–1 million | J.S. ELECTRIC INC. | Buda, TX | Frost Bank |
| $350,000–1 million | J.S. ELECTRIC, INC. | BUDA, TX | Frost Bank |
| $150,000–350,000 | JA JACKSON CONSTRUCTION, INC, | FORT WORTH, TX | Frost Bank |
| $1–2 million | JAC BAKERY LLC | San Antonio, TX | Frost Bank |
| $350,000–1 million | JAC BAKERY LLC | SAN ANTONIO, TX | Frost Bank |
| $150,000–350,000 | JACK JORDAN JONES ENTERPRISES INC. | Arlington, TX | Frost Bank |
| $150,000–350,000 | JACK JORDAN JONES ENTERPRISES, INC. | ARLINGTON, TX | Frost Bank |