| $150,000–350,000 | BOSTIC TRUCK TIRES INC. | OKLAHOMA CITY, OK | Sovereign Bank |
| $350,000–1 million | BOYD METALS OF OKLAHOMA CITY, INC. | OKLAHOMA CITY, OK | The First National Bank of Fort Smith |
| $150,000–350,000 | BRAUDRICK CONSTRUCTION LLC | OKLAHOMA CITY, OK | First Bethany Bank & Trust |
| $1–2 million | BREWER'S CARPET & DESIGN CNTR. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BRICKOPOLIS ENTERTAINMENT LLC | OKLAHOMA CITY, OK | Kirkpatrick Bank |
| $1–2 million | BRICKTOWN BREWERY RESTAURANTS, LLC | OKLAHOMA CITY, OK | SpiritBank |
| $350,000–1 million | BRIDESVIEW, INC. | OKLAHOMA CITY, OK | BOKF, National Association |
| $150,000–350,000 | BRIERLY PLUMBING TECHNOLOGIES | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BRITTON ROAD VETERINARY CLINIC INC. | OKLAHOMA CITY, OK | Sovereign Bank |
| $150,000–350,000 | BROADWAY 10 BAR & CHOPHOUSE LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $350,000–1 million | BRYAN'S FLOORING, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BTB NW OKC OPS, LLC | OKLAHOMA CITY, OK | SpiritBank |
| $150,000–350,000 | BUDDY'S PRODUCE OF OKLAHOMA CITY, INC. | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $150,000–350,000 | BUILDBLOCK BUILDING SYSTEMS, LLC | OKLAHOMA CITY, OK | UMB Bank, National Association |
| $150,000–350,000 | BUILDERS WAREHOUSE, INC. | OKLAHOMA CITY, OK | INTRUST Bank, National Association |
| $350,000–1 million | BUILDING CONCEPTS, LTD | OKLAHOMA CITY, OK | First Fidelity Bank |
| $150,000–350,000 | BULLARD & ASSOCIATES, PLLC | OKLAHOMA CITY, OK | CrossFirst Bank |
| $150,000–350,000 | BURGESS BUILDING COMPANY | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $350,000–1 million | BURTON CONTROLS INC | OKLAHOMA CITY, OK | Great Plains National Bank |
| $150,000–350,000 | BUSINESS ADVISORY PARTNERS LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BUSINESS PERSONNEL MANAGEMENT, INC. | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | BUTLER PLUMBING INC | OKLAHOMA CITY, OK | Frontier State Bank |
| $150,000–350,000 | BYFORD LE NORMAN CHICKASHA CDJR | OKLAHOMA CITY, OK | Bank of Commerce |
| $150,000–350,000 | BYFORD LE NORMAN DUNCAN BCG | OKLAHOMA CITY, OK | Bank of Commerce |
| $350,000–1 million | BYFORD LE NORMAN DUNCAN CDJR | OKLAHOMA CITY, OK | Bank of Commerce |
| $350,000–1 million | BYFORD-LE NORMAN CHICKASHA BG, LLC | OKLAHOMA CITY, OK | Shamrock Bank, National Association |
| $150,000–350,000 | BYRON'S LIQUOR WAREHOUSE | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | C AND Y MANAGEMENT COMPANY, INC | OKLAHOMA CITY, OK | InterBank |
| $150,000–350,000 | C WATTS AND SONS CONSTRUCTION CO INC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $150,000–350,000 | C&D VALVE, LLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | C&M PRECISION, INC | OKLAHOMA CITY, OK | Peoples Bank and Trust Company |
| $150,000–350,000 | C&R STEAKS INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | C-P INTEGRATED SERVICES, INC | OKLAHOMA CITY, OK | The Central Trust Bank |
| $2–5 million | C. H. GUERNSEY & COMPANY | OKLAHOMA CITY, OK | Fidelity Bank, National Association |
| $350,000–1 million | C2 WELLNESS, LLC | OKLAHOMA CITY, OK | Great Plains National Bank |
| $150,000–350,000 | CABINET OUTLET, INC | OKLAHOMA CITY, OK | UMB Bank, National Association |
| $150,000–350,000 | CABO DEL SOL-OKC, L.L.C. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CAC FINANCIAL CORP. | OKLAHOMA CITY, OK | Legacy Bank |
| $150,000–350,000 | CAFE 501 CLASSEN CURVE OKC, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CAGR MEDICAL PLLC | OKLAHOMA CITY, OK | Prosperity Bank |
| $1–2 million | CANDID COLOR SYSTEMS, INC. | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | CANDOR PUBLIC RELATIONS, LLC | OKLAHOMA CITY, OK | Armstrong Bank |
| $150,000–350,000 | CANNON & REFERMAT, LLC CANNON SPRING COMPANY | OKLAHOMA CITY, OK | UMB Bank, National Association |
| $2–5 million | CAPITAL DISTRIBUTING, LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CAPITOL ELECTRIC MOTOR REPAIR, INC | OKLAHOMA CITY, OK | The First National Bank and Trust Co, Chickasha, Oklahoma |
| $150,000–350,000 | CAPITOL LIFT TRUCK INC. | OKLAHOMA CITY, OK | First Fidelity Bank |
| $150,000–350,000 | CAR CAB WRECKER SERVICE INC. | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $350,000–1 million | CARDINAL OKC INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CARDINAL RIVER ENERGY I LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CARE SUITES OF CHISHOLM CREEK LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CAREER EDUCATION, INC. | OKLAHOMA CITY, OK | Watermark Bank |
| $350,000–1 million | CAREMAX, INC. | OKLAHOMA CITY, OK | F & M Bank |
| $150,000–350,000 | CARGILL HEAT TREAT, LLC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CARING PARTNERS, INC | OKLAHOMA CITY, OK | The Central Trust Bank |
| $350,000–1 million | CARTS AND PARTS INC | OKLAHOMA CITY, OK | The Citizens Bank of Edmond |
| $150,000–350,000 | CASA OF OKLAHOMA COUNTY INC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $150,000–350,000 | CASA PERICO INC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $350,000–1 million | CASEY CARPET COMPANY | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CASHLAND HOLDINGS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CASTLE ROCK HEF, LLC | OKLAHOMA CITY, OK | Valliance Bank |
| $150,000–350,000 | CASTON ARCHITECTURAL MILLWORK, INC. | OKLAHOMA CITY, OK | Valliance Bank |
| $150,000–350,000 | CATHCART & DOOLEY P.C. | OKLAHOMA CITY, OK | INTRUST Bank, National Association |
| $350,000–1 million | CATTLEMEN'S STEAKHOUSE, INC. | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $2–5 million | CB RESTAURANTS, INC. | OKLAHOMA CITY, OK | First Oklahoma Bank |
| $2–5 million | CEC CORPORATION | OKLAHOMA CITY, OK | CrossFirst Bank |
| $150,000–350,000 | CEDAR CREEK CONSULTING INC | OKLAHOMA CITY, OK | Valliance Bank |
| $150,000–350,000 | CEGX HOLDING COMPANY | OKLAHOMA CITY, OK | JPMorgan Chase Bank, National Association |
| $350,000–1 million | CENTENNIAL HOSPICE, LLC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $150,000–350,000 | CENTER FOR ECONOMIC DEVELOPMENT LAW, PLLC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $150,000–350,000 | CENTER FOR WOMEN'S HEALTH LLC | OKLAHOMA CITY, OK | BOKF, National Association |
| $350,000–1 million | CENTRAL BURIAL VAULTS, INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CENTRAL FORD/NEW HOLLAND, INC. | OKLAHOMA CITY, OK | YNB |
| $150,000–350,000 | CENTRAL GLASS AND MIRROR, INC. | OKLAHOMA CITY, OK | Kirkpatrick Bank |
| $2–5 million | CENTRAL OKLAHOMA AMERICAN INDIAN HEALTH COUNCIL, INC. | OKLAHOMA CITY, OK | INTRUST Bank, National Association |
| $350,000–1 million | CENTRAL OKLAHOMA HABITAT FOR HUMANITY, INC | OKLAHOMA CITY, OK | International Bank of Commerce |
| $150,000–350,000 | CENTRAL OKLAHOMA WORKFORCE INVESTMENT BOARD, INC. | OKLAHOMA CITY, OK | Oklahoma's Federal Credit Union |
| $350,000–1 million | CENTRAL STATE BEAUTY ACADEMY INC | OKLAHOMA CITY, OK | First Liberty Bank |
| $150,000–350,000 | CENTURY ENTERPRISES MANAGEMENT LTD | OKLAHOMA CITY, OK | First Liberty Bank |
| $2–5 million | CENTURY, LLC | OKLAHOMA CITY, OK | BOKF, National Association |
| $150,000–350,000 | CGT WHOLESALE FLOORING LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHALK SPORTS, LLC | OKLAHOMA CITY, OK | Great Plains National Bank |
| $150,000–350,000 | CHAMPION HOTELS & DEVELOPMENT COMPANY OF OKLAHOMA LLC | OKLAHOMA CITY, OK | High Plains Bank |
| $150,000–350,000 | CHAMPION ROOFING LLC | OKLAHOMA CITY, OK | Bank of America, National Association |
| $350,000–1 million | CHAPPELL SUPPLY & EQUIPMENT COMPANY | OKLAHOMA CITY, OK | Prosperity Bank |
| $150,000–350,000 | CHARLESSON LLC | OKLAHOMA CITY, OK | MidFirst Bank |
| $150,000–350,000 | CHARLESTON'S - S OKC, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S ENTERPRISES, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S OF MERIDIAN, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S-BRICKTOWN, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S-W MEMORIAL RD, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHARLIE BEAN COFFEE, LLC | OKLAHOMA CITY, OK | Prime Bank |
| $5–10 million | CHC HOLDINGS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHEEK & FALCONE, PLLC | OKLAHOMA CITY, OK | NBC Oklahoma |
| $150,000–350,000 | CHEEK LAW FIRM, PLLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHIEF SERVICES LLC | OKLAHOMA CITY, OK | Valliance Bank |
| $150,000–350,000 | CHILDREN'S EYE CARE, PLLC | OKLAHOMA CITY, OK | First National Bank of Oklahoma |
| $150,000–350,000 | CHILDREN'S MEDICAL RESEARCH INC | OKLAHOMA CITY, OK | MidFirst Bank |
| $150,000–350,000 | CHOICE HOME HEALTH, INC | OKLAHOMA CITY, OK | Stride Bank, National Association |
| $350,000–1 million | CHRIST THE KIN CHURCH | OKLAHOMA CITY, OK | MidFirst Bank |
| $150,000–350,000 | CHRISTENSEN LAW GROUP PLLC | OKLAHOMA CITY, OK | Sovereign Bank |