| $350,000–1 million | FOLIART, HUFF, OTTAWAY & BOTTOM, A PROFESSIONAL CORPORATION | OKLAHOMA CITY, OK | BancFirst |
| $1–2 million | FRANK G. LOVE ENVELOPES INC. | Tulsa, OK | BancFirst |
| $150,000–350,000 | FRAYER ENTERPRISES II, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | FRONTIER CHEVROLET CO | EL RENO, OK | BancFirst |
| $150,000–350,000 | FRONTIER LAND SURVEYING LLC | Edmond, OK | BancFirst |
| $150,000–350,000 | FRONTIER LAND SURVEYING, LLC | EDMOND, OK | BancFirst |
| $150,000–350,000 | FSEB ENTERPRISE LLC | Tulsa, OK | BancFirst |
| $150,000–350,000 | FSEB ENTERPRISE LLC | TULSA, OK | BancFirst |
| $350,000–1 million | FUENTES BROTHERS CONCRETE LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | FURNITURE SHOWCASE, INC | STILLWATER, OK | BancFirst |
| $150,000–350,000 | GARCIA TIRE SERVICE INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | GARDNER'S TAX SERVICE, INC. | TULSA, OK | BancFirst |
| $350,000–1 million | GARRISON BROTHERS OILFIELD SERVICES INC. | Hinton, OK | BancFirst |
| $350,000–1 million | GARRISON BROTHERS OILFIELD SERVICES, INC. | HINTON, OK | BancFirst |
| $150,000–350,000 | GARY A. CRAIN INC. | Prague, OK | BancFirst |
| $150,000–350,000 | GARY A. CRAIN, INC. | PRAGUE, OK | BancFirst |
| $150,000–350,000 | GARY B DEMPSEY DDS PC | OKLAHOMA CITY, OK | BancFirst |
| $1–2 million | GBV ENTERPRISES, INC | ENID, OK | BancFirst |
| $150,000–350,000 | GDP DRILLING LLC | Tulsa, OK | BancFirst |
| $1–2 million | GENESCO SPORTS ENTERPRISES INC. | Dallas, TX | BancFirst |
| $1–2 million | GENESCO SPORTS ENTERPRISES, INC | DALLAS, TX | BancFirst |
| $150,000–350,000 | GEORGE MCELROY & ASSOCIATES INC. | DALLAS, TX | BancFirst |
| $350,000–1 million | GEORGIA UNDERGROUND & SUPPLY, INC. | FOREST PARK, GA | BancFirst |
| $150,000–350,000 | GFAC ENGINEERING INC | TULSA, OK | BancFirst |
| $350,000–1 million | GILCHRISTAVIATION LAW, P.C. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | GIRL SCOUTS - WESTERN OKLAHOMA, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | GIRL SCOUTS WESTERN OKLAHOMA | Oklahoma City, OK | BancFirst |
| $1–2 million | GIVENS-RECORDS DEVELOPMENT LLC | Dallas, TX | BancFirst |
| $1–2 million | GIVENS-RECORDS DEVELOPMENT LLC | DALLAS, TX | BancFirst |
| $350,000–1 million | GKC MANAGEMENT GROUP INC | BROKEN ARROW, OK | BancFirst |
| $350,000–1 million | GKC MANAGEMENT GROUP INC. | Broken Arrow, OK | BancFirst |
| $350,000–1 million | GLOBAL PRODUCTION SOLUTIONS, LLC | Shawnee, OK | BancFirst |
| $350,000–1 million | GLOBAL PRODUCTION SOLUTIONS, LLC | SHAWNEE, OK | BancFirst |
| $1–2 million | GLOVER CHEVROLET WEST LLC | TULSA, OK | BancFirst |
| $350,000–1 million | GOLDEN PONY CASINO | OKEMAH, OK | BancFirst |
| $150,000–350,000 | GOLDEN RULE INDUSTRIES OF MUSKOGEE INC. | Muskogee, OK | BancFirst |
| $150,000–350,000 | GOLDEN RULE INDUSTRIES OF MUSKOGEE, INC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | GORDON BROS SUPPLY | STROUD, OK | BancFirst |
| $150,000–350,000 | GORDON BROS. SUPPLY INC. | Stroud, OK | BancFirst |
| $150,000–350,000 | GRAND EMPLOYEES LLC | Tulsa, OK | BancFirst |
| $150,000–350,000 | GRAND EMPLOYEES, LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | GRANITE WORKS, LLC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | GRAVES MCLAIN PLLC | Tulsa, OK | BancFirst |
| $150,000–350,000 | GRAVES MCLAIN, PLLC | TULSA, OK | BancFirst |
| $150,000–350,000 | GREAT PLAINS REBAR, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | GREAT PLAINS STAINLESS CO. | Tulsa, OK | BancFirst |
| $150,000–350,000 | GREEN CHILE LLC | Yukon, OK | BancFirst |
| $350,000–1 million | GREEN COMPANIES DEVELOPMENT GROUP, INC | INOLA, OK | BancFirst |
| $150,000–350,000 | GREENBRIER VILLAGE RESIDENTIAL LIVING, LLC | ENID, OK | BancFirst |
| $150,000–350,000 | GREENSHADE TREES, LLC | YUKON, OK | BancFirst |
| $350,000–1 million | GREGSTON NURSING HOME, INC | MARLOW, OK | BancFirst |
| $5–10 million | GRIFFIN COMMUNICATIONS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | GRIFFIN RADIO TULSA LLC | Oklahoma City, OK | BancFirst |
| $150,000–350,000 | GRIGSBY'S CARPET SHOWROOM, INC | CHURCH ROAD, VA | BancFirst |
| $350,000–1 million | GSB, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | GUARANTY TITLE COMPANY, LLC | CARLSBAD, NM | BancFirst |
| $1–2 million | GUSH INC | Dallas, TX | BancFirst |
| $350,000–1 million | GUSH INC | DALLAS, TX | BancFirst |
| $150,000–350,000 | GW&SON AUTO BODY INC | Oklahoma City, OK | BancFirst |
| $150,000–350,000 | GW&SON AUTO BODY INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | GWINNETT PARK ASSISTED LLC | LAWRENCEVILLE, GA | BancFirst |
| $150,000–350,000 | GYPRO LLC | Oklahoma City, OK | BancFirst |
| $150,000–350,000 | H & K PAUL INC. | Oklahoma City, OK | BancFirst |
| $150,000–350,000 | H & K PAUL INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | H&C SERVICES, INC | WEATHERFORD, OK | BancFirst |
| $350,000–1 million | H-I-S PAINT MANUFACTURING COMPANY, L.L.C. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HALE & COMPANY CPA PC | EDMOND, OK | BancFirst |
| $150,000–350,000 | HAMPTON INN & SUITES | STILLWATER, OK | BancFirst |
| $350,000–1 million | HANZA'S SOLDIER XPRESS, LLC | LAWTON, OK | BancFirst |
| $350,000–1 million | HAPPY CAMPERS ACADEMY LLC | Tulsa, OK | BancFirst |
| $350,000–1 million | HAPPY CAMPERS ACADEMY LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | HAPPY HANDS EDUCATION CENTER INC. | Broken Arrow, OK | BancFirst |
| $150,000–350,000 | HAPPY HANDS EDUCATION CENTER, INC | BROKEN ARROW, OK | BancFirst |
| $150,000–350,000 | HARDEN & ASSOCIATES SURVEYING AND MAPPING, PC | TULSA, OK | BancFirst |
| $350,000–1 million | HARDING CHARTER PREPARATORY HIGH SCHOOL FOUNDATION, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HARP SERVICES, INC | TULSA, OK | BancFirst |
| $150,000–350,000 | HARPER USELTON & MAXCEY LLP | McAlester, OK | BancFirst |
| $150,000–350,000 | HARPER, USELTON & MAXCEY, LLP | MCALESTER, OK | BancFirst |
| $150,000–350,000 | HARRISON & MECKLENBURG INC | Kingfisher, OK | BancFirst |
| $150,000–350,000 | HARRISON & MECKLENBURG INC | KINGFISHER, OK | BancFirst |
| $150,000–350,000 | HARTSHORNE HEALTH SERVICE, LLC | HARTSHORNE, OK | BancFirst |
| $350,000–1 million | HARTZOG CONGER CASON LLP | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HAYES MAGRINI & GATEWOOD | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HAYES MAGRINI & GATEWOOD | Oklahoma City, OK | BancFirst |
| $350,000–1 million | HAYS BROTHERS PAINTING SERVICE INC. | Moore, OK | BancFirst |
| $150,000–350,000 | HAYS BROTHERS PAINTING SERVICE, INC. | MOORE, OK | BancFirst |
| $1–2 million | HCAP VENTURE GROUP, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HE ANDERSON COMPANY | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | HEADRICK PLUMBING CO., INC. | TULSA, OK | BancFirst |
| $350,000–1 million | HEALTHCARE ONE ASSOCIATES PLLC | EL RENO, OK | BancFirst |
| $150,000–350,000 | HEARTLAND CONSTRUCTION SERVICES INC | Wellston, OK | BancFirst |
| $150,000–350,000 | HEARTLAND CONTRACTING SERVICES INC | WELLSTON, OK | BancFirst |
| $150,000–350,000 | HEARTLINE, INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | HEATWAVE SUPPLY, INC. | TULSA, OK | BancFirst |
| $150,000–350,000 | HEAVY TRUCK & TRAILER PARTS, INC. | DUNCAN, OK | BancFirst |
| $150,000–350,000 | HENDRIX SERVICES, LLC | OKLAHOMA CITY, OK | BancFirst |
| $2–5 million | HERITAGE HALL | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | HERITAGE MANAGEMENT SERVICES, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | HERITAGE PARK HOMEOWNERS INC. | Fort Gibson, OK | BancFirst |
| $350,000–1 million | HESSEL HOLDING COMPANY LLC | OKLAHOMA CITY, OK | BancFirst |