| $150,000–350,000 | HANLOCK-CAUSEWAY COMPANY, LLC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | HAPPY CAMPERS ACADEMY LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | HARDEN & ASSOCIATES SURVEYING AND MAPPING, PC | TULSA, OK | BancFirst |
| $150,000–350,000 | HARDESTY AVIATION LLC | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | HARLEY HOLLAN COMPANIES | TULSA, OK | CrossFirst Bank |
| $150,000–350,000 | HARMON SECURITY GROUP LLC | TULSA, OK | Blue Sky Bank |
| $150,000–350,000 | HARP SERVICES, INC | TULSA, OK | BancFirst |
| $1–2 million | HARVARD FAMILY PHYSICIANS PC | TULSA, OK | Security Bank |
| $350,000–1 million | HASTY-BAKE INC. | TULSA, OK | AVB Bank |
| $150,000–350,000 | HEADRICK PLUMBING CO., INC. | TULSA, OK | BancFirst |
| $350,000–1 million | HEALTHCARE ACCOUNTING AND BILLING SERVICES, LLC | TULSA, OK | BOKF, National Association |
| $2–5 million | HEAT TRANSFER EQUIPMENT COMPANY | TULSA, OK | BOKF, National Association |
| $1–2 million | HEATER FABRICTORS OF TULSA, LLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | HEATHERIDGE HEALTH CARE, LLC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | HEATWAVE SUPPLY, INC. | TULSA, OK | BancFirst |
| $150,000–350,000 | HEMPHILL, LLC | TULSA, OK | First Oklahoma Bank |
| $150,000–350,000 | HEMPIRE CAPITAL, INC. | TULSA, OK | Regent Bank |
| $150,000–350,000 | HENDERSON & RAMSEY, PC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | HERCULES TIRE SALES, INC. | TULSA, OK | First Oklahoma Bank |
| $150,000–350,000 | HERITAGE CONCRETE CONSTRUCTION, INC | TULSA, OK | Triad Bank, National Association |
| $350,000–1 million | HICORP, INC | TULSA, OK | BancFirst |
| $2–5 million | HIDEAWAY- 2 INC | TULSA, OK | MidFirst Bank |
| $150,000–350,000 | HIGHER STANDARD HEALTHCARE LLC | TULSA, OK | Cross River Bank |
| $150,000–350,000 | HINKLE & COMPANY, PC | TULSA, OK | First Oklahoma Bank |
| $1–2 million | HIRECALL LICENSING, LLC | TULSA, OK | Firstar Bank |
| $150,000–350,000 | HISC TULSA, INC | TULSA, OK | RCB Bank |
| $150,000–350,000 | HIV RESOURCE CONSORTIUM, INC. | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | HODGES TRANSPORTATION INC | TULSA, OK | Security Bank |
| $350,000–1 million | HOFFMAN BUSINESS ENTERPRISES INC | TULSA, OK | Security Bank |
| $150,000–350,000 | HOFFMEIER, INC. | TULSA, OK | AVB Bank |
| $2–5 million | HOGAN ASSESSMENT SYSTEMS, INC. | TULSA, OK | Prosperity Bank |
| $2–5 million | HOGANTAYLOR LLP | TULSA, OK | Arvest Bank |
| $1–2 million | HOLLAND HALL | TULSA, OK | First Bank of Owasso |
| $150,000–350,000 | HOLLY MATERIAL HANDLING EQUIPMENT INC | TULSA, OK | AVB Bank |
| $150,000–350,000 | HORIZON ENTERPRISES, LTD | TULSA, OK | Security Bank |
| $350,000–1 million | HORIZON LAWN AND LANDSCAPE INC. | TULSA, OK | Simmons Bank |
| $150,000–350,000 | HORTON HYDRAULICS, INC. | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | HORTON INDUSTRIES, INC. | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | HOSPICE OF GREEN COUNTRY INC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | HOUCHIN ELECTRIC COMPANY, INC. | TULSA, OK | SpiritBank |
| $150,000–350,000 | HOUDELIFE HOLDINGS LLC | TULSA, OK | First Oklahoma Bank |
| $150,000–350,000 | HOULIGAN ENTERPRISES | TULSA, OK | Arvest Bank |
| $150,000–350,000 | HOURGLASS REPAIR CENTER SOUTH LLC | TULSA, OK | Regent Bank |
| $150,000–350,000 | HUDSON PLUMBING HEATING AND AIR CONDITIONING, INC. | TULSA, OK | American Bank and Trust Company |
| $1–2 million | HUGHES ANDERSON HEAT EXCHANGERS, INC. | TULSA, OK | American Bank and Trust Company |
| $350,000–1 million | HUMAN SKILLS & RESOURCES INC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | HYDRANT REPAIR PARTS INC. | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | IDEAL SPECIALTY INC | TULSA, OK | First Fidelity Bank |
| $150,000–350,000 | ILIFF AIRCRAFT REPAIR & SERVICE CO., INC | TULSA, OK | Prosperity Bank |
| $1–2 million | IMAX CORPORATION | TULSA, OK | BancFirst |
| $150,000–350,000 | IMPACT PRODUCTIONS, INC. | TULSA, OK | First Oklahoma Bank |
| $5–10 million | INCEED LLC | TULSA, OK | First Pryority Bank |
| $2–5 million | INDIAN HEALTH CARE RESOURCE CENTER OF TULSA, INC | TULSA, OK | Commerce Bank |
| $350,000–1 million | INDIAN NATIONS COUNCIL, INC BOY SCOUTS OF AMERICA | TULSA, OK | Arvest Bank |
| $350,000–1 million | INDUSTRIAL CONTROLS OF OKLAHOMA, LLC | TULSA, OK | Security Bank |
| $150,000–350,000 | INDUSTRIAL FABRICATION SERVICES, LLC | TULSA, OK | BancFirst |
| $5–10 million | INDUSTRIAL PIPING SPECIALISTS INC. | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | INDUSTRIAL SPLICING & SLING | TULSA, OK | The Central Trust Bank |
| $350,000–1 million | INFINEDI LLC | TULSA, OK | CrossFirst Bank |
| $150,000–350,000 | INTEGRITY CUSTOMS INC. | TULSA, OK | CrossFirst Bank |
| $350,000–1 million | INTEGRITY STAFFING SOLUTIONS, LLC. | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | INTERCHANGE RX, LLC | TULSA, OK | Firstar Bank |
| $350,000–1 million | INTERIM HEALTHCARE OF OKLAHOMA CITY, INC. | TULSA, OK | Blue Sky Bank |
| $350,000–1 million | INTERIM HEALTHCARE OF TULSA, INC | TULSA, OK | BancFirst |
| $350,000–1 million | INTERIORS ONE, INC. | TULSA, OK | RCB Bank |
| $350,000–1 million | INTERNATIONAL CUSTOM CONTROLS, LLC | TULSA, OK | Grand Bank |
| $350,000–1 million | INTERNATIONAL DENTAL ARTS, INC. | TULSA, OK | Security Bank |
| $350,000–1 million | INTERNATIONAL INSURANCE BROKERS, LTD. | TULSA, OK | Bank 7 |
| $350,000–1 million | INTERSTATE STEEL & METALS, INC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | IRON CROSS AUTOMOTIVE, INC | TULSA, OK | Regent Bank |
| $150,000–350,000 | IRON GATE INC | TULSA, OK | Grand Bank |
| $150,000–350,000 | ISI ACQUISITION LLC | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | ISRAEL DIAMOND SUPPLY LLC | TULSA, OK | BancFirst |
| $1–2 million | J.D. YOUNG COMPANY INC | TULSA, OK | Prosperity Bank |
| $2–5 million | JACKIE COOPER IMPORTS OF TULSA, LLC | TULSA, OK | International Bank of Commerce |
| $150,000–350,000 | JACKSON TECHNICAL L.L.C. | TULSA, OK | RCB Bank |
| $350,000–1 million | JACOBI, LLC | TULSA, OK | American Heritage Bank |
| $150,000–350,000 | JAMES & MILLER WELDING, LLC | TULSA, OK | American Heritage Bank |
| $150,000–350,000 | JAMES F. OWENS DDS MS INC | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | JARRT HOLDINGS, INC. | TULSA, OK | Vast Bank, National Association |
| $150,000–350,000 | JARVIS INC. | TULSA, OK | Arvest Bank |
| $150,000–350,000 | JASON'S DELI | TULSA, OK | BancFirst |
| $150,000–350,000 | JAY WILLIAMSON D.O. PC | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | JEANMARIE CREATIONS LLC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | JEFF ALEXANDER MD PC | TULSA, OK | First Oklahoma Bank |
| $350,000–1 million | JENSEN MIXERS INTERNATIONAL, INC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | JERO MANUFACTURING, INC. | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | JEWISH FEDERATION OF TULSA | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | JJWT, LLC | TULSA, OK | Regent Bank |
| $150,000–350,000 | JO ROSE FINE CABINETS, INC. | TULSA, OK | Commerce Bank |
| $350,000–1 million | JOBING CONFIDENTIAL | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | JOE'S BARBECUE 2 SOUTH TULSA LLC | TULSA, OK | Mabrey Bank |
| $350,000–1 million | JOHNSON & JONES, P.C. | TULSA, OK | Blue Sky Bank |
| $150,000–350,000 | JONES, GOTCHER & BOGAN, P.C. | TULSA, OK | Green Country FCU |
| $350,000–1 million | JONESPLAN, INC. | TULSA, OK | Arvest Bank |
| $150,000–350,000 | JOSHI TECHNOLOGIES INTERNATIONAL, INC. | TULSA, OK | Equity Bank |
| $150,000–350,000 | JOYEAUX INC | TULSA, OK | The Central Trust Bank |
| $150,000–350,000 | JP CONSTRUCTION INC | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | JP CRAFTERS, INC. | TULSA, OK | First National Bank & Trust Company of McAlester |
| $150,000–350,000 | JSO INC | TULSA, OK | Arvest Bank |