| $150,000–350,000 | CHRISTENSEN LAW PLLC | OKLAHOMA CITY, OK | Sovereign Bank |
| $150,000–350,000 | CHRISTIE'S TOY BOX MANAGEMENT CO. | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CHURCH OF THE HARVEST OF AMERICA, INC. | OKLAHOMA CITY, OK | First Bank |
| $350,000–1 million | CIMARRON CONSTRUCTION COMPANY | OKLAHOMA CITY, OK | Prosperity Bank |
| $150,000–350,000 | CITY CARE, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CITY GLASS OKC INC | OKLAHOMA CITY, OK | Armstrong Bank |
| $150,000–350,000 | CITY PAINT WORKS LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CITY RESCUE MISSION, INC. | OKLAHOMA CITY, OK | BOKF, National Association |
| $350,000–1 million | CITY TRAILER INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CIVIC CENTER FOUNDATION, INC. | OKLAHOMA CITY, OK | First Fidelity Bank |
| $150,000–350,000 | CJEBLAKEWELL, LLC | OKLAHOMA CITY, OK | JPMorgan Chase Bank, National Association |
| $1–2 million | CLAIMS MANAGEMENT RESOURCES | OKLAHOMA CITY, OK | NBC Oklahoma |
| $150,000–350,000 | CLARK CONSTRUCTION | OKLAHOMA CITY, OK | COREBANK |
| $150,000–350,000 | CLASSIC PRINTING, INC. | OKLAHOMA CITY, OK | MidFirst Bank |
| $150,000–350,000 | CLASSIC TILE, STONE & MARBLE | OKLAHOMA CITY, OK | NBC Oklahoma |
| $350,000–1 million | CLEARWATER ENTERPRISES, L.L.C. | OKLAHOMA CITY, OK | International Bank of Commerce |
| $350,000–1 million | CLEVYR INC | OKLAHOMA CITY, OK | Armstrong Bank |
| $150,000–350,000 | CLYDE RIGGS CONSTRUCTION, L.L.C. | OKLAHOMA CITY, OK | Simmons Bank |
| $350,000–1 million | CMI ROADBUILDING INC | OKLAHOMA CITY, OK | Wells Fargo Bank, National Association |
| $350,000–1 million | CMP CORPORATION | OKLAHOMA CITY, OK | Regent Bank |
| $2–5 million | COATES FIELD SERVICE, INC. | OKLAHOMA CITY, OK | InterBank |
| $350,000–1 million | COLE, PAINE & CARLIN INSURANCE AGENCY, INC | OKLAHOMA CITY, OK | First Fidelity Bank |
| $350,000–1 million | COLLINS, ZORN & WAGNER, P.C. | OKLAHOMA CITY, OK | BOKF, National Association |
| $5–10 million | COLLISION WORKS OF OKLAHOMA, LLC | OKLAHOMA CITY, OK | Vast Bank, National Association |
| $150,000–350,000 | COLTON & ASSOCIATES, P.C. | OKLAHOMA CITY, OK | First Liberty Bank |
| $350,000–1 million | COMFORTWORKS, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | COMMERCIAL CARPET CONTRACTORS, INC | OKLAHOMA CITY, OK | First Liberty Bank |
| $150,000–350,000 | COMMERCIAL LINEN SUPPLY INC | OKLAHOMA CITY, OK | BancFirst |
| $1–2 million | COMMUNICATE NOW! LP | OKLAHOMA CITY, OK | Community National Bank of Okarche |
| $1–2 million | COMMUNITY HEALTH CENTERS, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | COMMUNITY WORKS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | COMP RISK MANAGEMENT INC | OKLAHOMA CITY, OK | F & M Bank |
| $150,000–350,000 | COMPLETE HOME RENTALS, LLC | OKLAHOMA CITY, OK | McClain Bank |
| $150,000–350,000 | COMPREHENSIVE PAIN CENTER INC. | OKLAHOMA CITY, OK | BOKF, National Association |
| $5–10 million | COMPSOURCE MUTUAL INSURANCE COMPANY | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | COMPUTER DEALERS AND RECYCLERS GLOBAL INC | OKLAHOMA CITY, OK | International Bank of Commerce |
| $150,000–350,000 | CONCEPTS IN COUNSELING, LLC | OKLAHOMA CITY, OK | Bank 7 |
| $1–2 million | CONCRETE ENTERPRISES, INC. | OKLAHOMA CITY, OK | Regent Bank |
| $350,000–1 million | CONNELLY PAVING COMPANY | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | CONNER L HELMS & ASSOCIATES | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CONSOLIDATED ASSET MANAGEMENT - OKC LLC | OKLAHOMA CITY, OK | Bank 7 |
| $150,000–350,000 | CONSOLIDATED BUILDERS SUPPLY, INC. | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $1–2 million | CONSOLIDATED NETWORKS CORPORATION | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $150,000–350,000 | CONSTRUCTION UNLIMITED LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CONTINENTAL BROKERS AND CONSULTANTS, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CONTINENTAL DRIVE AWAY, INC. | OKLAHOMA CITY, OK | First Liberty Bank |
| $350,000–1 million | CONTROL FIRE SYSTEMS, COMPANY | OKLAHOMA CITY, OK | InterBank |
| $150,000–350,000 | CONVENTIONS AND MORE, LLC | OKLAHOMA CITY, OK | Fidelity Bank, National Association |
| $150,000–350,000 | COOLGREENS HOLDINGS, LLC | OKLAHOMA CITY, OK | Legacy Bank |
| $150,000–350,000 | COOP ALE WORKS, LLC | OKLAHOMA CITY, OK | Valliance Bank |
| $150,000–350,000 | COOPER CABINETS INC | OKLAHOMA CITY, OK | BOKF, National Association |
| $150,000–350,000 | COOPER LINCOLN OF EDMOND, LLC | OKLAHOMA CITY, OK | International Bank of Commerce |
| $350,000–1 million | COORDINATED CARE HEALTH SOLUTIONS, LLC | OKLAHOMA CITY, OK | First Liberty Bank |
| $150,000–350,000 | COPELAND TRUCKING CO INC | OKLAHOMA CITY, OK | The First National Bank and Trust Co, Chickasha, Oklahoma |
| $350,000–1 million | CORY'S AUDIO VISUAL SERVICES, LLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | CORYELL ROOFING & CONSTRUCTION INC | OKLAHOMA CITY, OK | Prosperity Bank |
| $150,000–350,000 | COUNTRY LEISURE INC | OKLAHOMA CITY, OK | Sovereign Bank |
| $350,000–1 million | COWAN GROUP ENGINEERING, LLC | OKLAHOMA CITY, OK | First Fidelity Bank |
| $150,000–350,000 | COWAN, HUBBERT & FRANKLIN, PLLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | COWBOY INVESTMENT GROUP LLC | OKLAHOMA CITY, OK | Community Bank |
| $150,000–350,000 | CPAOKC, PLLC | OKLAHOMA CITY, OK | First Fidelity Bank |
| $150,000–350,000 | CRANE, YOUNG AND ASSOCIATES, INC. | OKLAHOMA CITY, OK | InterBank |
| $350,000–1 million | CRAWFORD & ASSOCIATES, P.C. | OKLAHOMA CITY, OK | The Pauls Valley National Bank |
| $350,000–1 million | CRAWLEY PETROLEUM CORPORATION | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CREATING MASTERPIECE SMILES OKC PLLC | OKLAHOMA CITY, OK | Sovereign Bank |
| $350,000–1 million | CREATIVE IT SOLUTIONS, LLC | OKLAHOMA CITY, OK | Bank 7 |
| $350,000–1 million | CRISTO REY OKLAHOMA CITY CATHOLIC HIGH SCHOOL, INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CROSS OIL & GAS INC. | OKLAHOMA CITY, OK | Arvest Bank |
| $2–5 million | CROSSINGS COMMUNITY CHURCH, INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CROSSLAND'S A & A RENT-ALL & SALES CO. | OKLAHOMA CITY, OK | Simmons Bank |
| $350,000–1 million | CROSSROADS AUTO MALL, INC. | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CROSSROADS FAMILY DENTISTRY,PLLC | OKLAHOMA CITY, OK | Legend Bank, National Association |
| $350,000–1 million | CROSSROADS ROOFING & SUPPLY INC | OKLAHOMA CITY, OK | Kirkpatrick Bank |
| $2–5 million | CROWE & DUNLEVY, A PROFEESIONAL CORPORATION | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CROWN CAPITAL PARTNERS | OKLAHOMA CITY, OK | Legacy Bank |
| $150,000–350,000 | CROWN ENERGY COMPANY | OKLAHOMA CITY, OK | International Bank of Commerce |
| $150,000–350,000 | CULINARY EDGE , LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | CUSTOM EXTERIORS LLC | OKLAHOMA CITY, OK | Fidelity Bank, National Association |
| $150,000–350,000 | CUSTOM PLUMPING BY CHRIS, LLC | OKLAHOMA CITY, OK | Valliance Bank |
| $5–10 million | D & M CARRIERS LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $2–5 million | D & M EMPLOYEE LEASING LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | D AND M DISTRIBUTION SERVICES INC. | OKLAHOMA CITY, OK | First Fidelity Bank |
| $350,000–1 million | D&D TRUCK SALES, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | D. H. FRENCH CONSTRUCTION CO. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | DANCO INSPECTION INCORPORATED | OKLAHOMA CITY, OK | First Bethany Bank & Trust |
| $150,000–350,000 | DANIEL PINES MARKOFF PC | OKLAHOMA CITY, OK | Prosperity Bank |
| $2–5 million | DATA MONITOR SYSTEMS, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | DATALOG LWT INC | OKLAHOMA CITY, OK | RCB Bank |
| $350,000–1 million | DAUGHERTY, FOWLER, PEREGRIN, HAUGHT & JENSON, A PROFESSIONAL | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | DAVID CHANSOLME, M.D., P.C. | OKLAHOMA CITY, OK | Fidelity Bank, National Association |
| $1–2 million | DAVID STANLEY CHEVROLET, INC. | OKLAHOMA CITY, OK | BancFirst |
| $1–2 million | DAVID STANLEY DODGE, L.L.C. | OKLAHOMA CITY, OK | Ally Bank |
| $150,000–350,000 | DAVIDS SPORT CENTER, INC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | DAVIDSONS TURF TEAM LLC | OKLAHOMA CITY, OK | First United Bank and Trust Company |
| $350,000–1 million | DAVIS PAINT AND COLLISION INC | OKLAHOMA CITY, OK | Sovereign Bank |
| $150,000–350,000 | DAVIS TRUCK SERVICE, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | DCI INDUSTRIES, LLC | OKLAHOMA CITY, OK | Gulf Capital Bank |
| $1–2 million | DEALERS AUTO AUCTION OF OKC, INC | OKLAHOMA CITY, OK | First Enterprise Bank |
| $2–5 million | DEAN MCGEE EYE INSTITUTE | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | DEATSCHWERKS, LLC | OKLAHOMA CITY, OK | First United Bank and Trust Company |