| $350,000–1 million | K T CARTER CONTRACTING, INC. | JACKSONVILLE, FL | First Source Federal Credit Union |
| $150,000–350,000 | KA # 16, LLC | JACKSONVILLE, FL | WebBank |
| $150,000–350,000 | KANECO CONSTRUCTION, LLC | JACKSONVILLE, FL | SouthState Bank, National Association |
| $150,000–350,000 | KASPER ARCHITECTURE AND DEVELOPMENT, INC. | JACKSONVILLE, FL | SouthState Bank, National Association |
| $350,000–1 million | KE GROUP, LLC | JACKSONVILLE, FL | Kabbage, Inc. |
| $150,000–350,000 | KE MARINE, LLC | JACKSONVILLE, FL | Kabbage, Inc. |
| $150,000–350,000 | KEITH HUDSON DBA HUDSON PRIVATE ENTERPRISES JANITORIAL | JACKSONVILLE, FL | First Horizon Bank |
| $150,000–350,000 | KENDALE DESIGN/BUILD GENERAL CONTRACTORS LLC | JACKSONVILLE, FL | Ameris Bank |
| $350,000–1 million | KENNY LEIGH, PA | JACKSONVILLE, FL | Truist Bank |
| $1–2 million | KENWORTH OF JACKSONVILLE INC. | JACKSONVILLE, FL | TD Bank, National Association |
| $350,000–1 million | KESSLER CREATIVE, LLC | JACKSONVILLE, FL | Fifth Third Bank |
| $150,000–350,000 | KEVIN W. SNYDER, D.D.S., P.A. | JACKSONVILLE, FL | First-Citizens Bank & Trust Company |
| $1–2 million | KEY BUICK COMPANY | JACKSONVILLE, FL | Ameris Bank |
| $350,000–1 million | KEYSTONE PROPERTIES LLC | JACKSONVILLE, FL | Hancock Whitney Bank |
| $150,000–350,000 | KIDS AND FAMILIES MEDICAL CLINIC LLC | JACKSONVILLE, FL | Ameris Bank |
| $1–2 million | KIPP JACKSONVILLE, INC. | JACKSONVILLE, FL | First Source Federal Credit Union |
| $150,000–350,000 | KIRBYCO BUILDERS, INC. | JACKSONVILLE, FL | Valley National Bank |
| $350,000–1 million | KLS MARTIN MANUFACTURING, LLC | JACKSONVILLE, FL | Valley National Bank |
| $5–10 million | KLS-MARTIN, LP | JACKSONVILLE, FL | Valley National Bank |
| $350,000–1 million | KMSB ENTERPRISES LLC | JACKSONVILLE, FL | Bank of America, National Association |
| $350,000–1 million | KPG INVESTMENTS, INC. | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | KRANTZ DENTAL CARE, P.A | JACKSONVILLE, FL | First Federal Bank |
| $150,000–350,000 | KRM RESOURCES LLC | JACKSONVILLE, FL | First Bank of the Lake |
| $150,000–350,000 | KUHN ACQUISITION LLC | JACKSONVILLE, FL | First Source Federal Credit Union |
| $350,000–1 million | L & A AMERICAN SERVICE CORP | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | L'ARCHE JACKSONVILLE, INC. | JACKSONVILLE, FL | VyStar CU |
| $150,000–350,000 | LAKEWOOD DENTISTRY, LLC | JACKSONVILLE, FL | Ameris Bank |
| $350,000–1 million | LAMP SALES UNLIMITED, INC. | JACKSONVILLE, FL | Ameris Bank |
| $350,000–1 million | LAMPSTAND FOODS, LLC | JACKSONVILLE, FL | City National Bank of Florida |
| $150,000–350,000 | LAND SHARK CORP | JACKSONVILLE, FL | Coastal Community Bank |
| $350,000–1 million | LANDMARK TITLE, LLC | JACKSONVILLE, FL | 121 Financial CU, A Division of VyStar Credit Union |
| $2–5 million | LANDSOUTH CONSTRUCTION, LLC | JACKSONVILLE, FL | First Source Federal Credit Union |
| $150,000–350,000 | LATIN HOUSE GRILL INC 1 | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | LAW OFFICES OF CINDY L. LASKY, P.A. | JACKSONVILLE, FL | SouthState Bank, National Association |
| $150,000–350,000 | LAW OFFICES OF JOHN M. PHILLIPS, LLC | JACKSONVILLE, FL | 121 Financial CU, A Division of VyStar Credit Union |
| $350,000–1 million | LCP 1201 KINGS AVE, LLC | JACKSONVILLE, FL | Western Alliance Bank |
| $1–2 million | LEE & CATES GLASS INC | JACKSONVILLE, FL | BankUnited, National Association |
| $150,000–350,000 | LEGACY ENGINEERING INC | JACKSONVILLE, FL | Truist Bank |
| $150,000–350,000 | LENEER DATA ASSURANCE SOLUTIONS, INC. | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | LESTERS FUEL OIL SERVICE INC | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $150,000–350,000 | LET GO OF MY BURRITO GALLERY | JACKSONVILLE, FL | Synovus Bank |
| $350,000–1 million | LEVENSON EYE ASSOCIATES, INC. | JACKSONVILLE, FL | Newtek Small Business Finance, Inc. |
| $150,000–350,000 | LEVIATHAN GROUP 1 LLC | JACKSONVILLE, FL | IberiaBank, A Division of First Horizon Bank |
| $350,000–1 million | LEVIN CORP | JACKSONVILLE, FL | Hancock Whitney Bank |
| $350,000–1 million | LEXDEVCOJAX LLC | JACKSONVILLE, FL | Truist Bank |
| $350,000–1 million | LIBERTY AMBULANCE SERVICE | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | LIBERTY MARINE SERVICES, INC. | JACKSONVILLE, FL | First Source Federal Credit Union |
| $150,000–350,000 | LIDDY'S MACHINE SHOP INC | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $350,000–1 million | LIFE SAFETY DESIGNS, INC | JACKSONVILLE, FL | SouthState Bank, National Association |
| $150,000–350,000 | LIFESAFE SERVICES | JACKSONVILLE, FL | Triad Bank |
| $350,000–1 million | LIFETIME ENCLOSURES, INC. | JACKSONVILLE, FL | SouthState Bank, National Association |
| $1–2 million | LIFT POWER, INC. | JACKSONVILLE, FL | First Horizon Bank |
| $150,000–350,000 | LIGHTER THAN AIR SYSTEMS CORP. | JACKSONVILLE, FL | JPMorgan Chase Bank, National Association |
| $350,000–1 million | LIGHTHOUSE CHRISTIAN SCHOOL INC | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | LIGHTHOUSE ELECTRICAL CONTRACTORS INC | JACKSONVILLE, FL | SouthState Bank, National Association |
| $350,000–1 million | LIGHTING PARTNERS JAX, INC. | JACKSONVILLE, FL | CIBC Bank USA |
| $1–2 million | LIVE OAK CONTRACTING, LLC | JACKSONVILLE, FL | First Source Federal Credit Union |
| $1–2 million | LMC PROPERTY MANAGEMENT COMPANY INC | JACKSONVILLE, FL | Broadview Federal Credit Union |
| $2–5 million | LOAD KING MANUFACTURING CO. | JACKSONVILLE, FL | Fifth Third Bank |
| $350,000–1 million | LOFTY ASSET MANAGEMENT INC | JACKSONVILLE, FL | JPMorgan Chase Bank, National Association |
| $350,000–1 million | LOOPS NURSERY AND GREENHOUSES, INC | JACKSONVILLE, FL | VyStar CU |
| $1–2 million | LOU SOBH AUTOMOTIVE OF JAX INC | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | LRP HOTELS OF JACKSONVILLE LLC | JACKSONVILLE, FL | Pinnacle Bank |
| $150,000–350,000 | LUCAS FAIRWAYS LLC | JACKSONVILLE, FL | First Source Federal Credit Union |
| $350,000–1 million | LUCAS INVESTMENTS, INC. | JACKSONVILLE, FL | First Source Federal Credit Union |
| $150,000–350,000 | LUIS F. ANEZ, M.D., P.A. | JACKSONVILLE, FL | Bank of America, National Association |
| $350,000–1 million | LUTHERAN SOCIAL SERVICES OF NE FLORIDA | JACKSONVILLE, FL | TD Bank, National Association |
| $150,000–350,000 | M AND M WOOD TIE INC | JACKSONVILLE, FL | Truist Bank |
| $150,000–350,000 | M. C. BASS ELECTRICAL CONTRACTOR, INC. | JACKSONVILLE, FL | Truist Bank |
| $150,000–350,000 | M. GAY CONSTRUCTORS, INC. | JACKSONVILLE, FL | Fifth Third Bank |
| $350,000–1 million | M. LISANTE ENTERPRISES, INC. | JACKSONVILLE, FL | Synovus Bank |
| $1–2 million | M.E. THOMPSON, INC. | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | MACKOUL DISTRIBUTORS, INC. | JACKSONVILLE, FL | Ameris Bank |
| $1–2 million | MADE IN SPACE, INC. | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | MADISON PROPERTY MANAGEMENT SOLUTIONS, L | JACKSONVILLE, FL | Ameris Bank |
| $1–2 million | MAGELLAN TRANSPORT LOGISTICS, INC. | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | MAJESTIC MACHINE, INC (FORMERLY MAJESTIC MACHINE & ENGINEERI | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | MALIVAI WASHINGTON KIDS FOUNDATION | JACKSONVILLE, FL | IberiaBank, A Division of First Horizon Bank |
| $350,000–1 million | MALNOVE INCORPORATED OF FLORIDA | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $150,000–350,000 | MALONE AIRCHARTER, INC. | JACKSONVILLE, FL | Truist Bank |
| $150,000–350,000 | MALOY GRADING CORPORATION | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $1–2 million | MANDARIN CHRISTIAN CHURCH OF JACKSONVILLE FLORIDA, INC. | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | MANDARIN UNITED METHODIST CHURCH | JACKSONVILLE, FL | First-Citizens Bank & Trust Company |
| $150,000–350,000 | MANEZZ HOLDINGS, INC. | JACKSONVILLE, FL | JPMorgan Chase Bank, National Association |
| $2–5 million | MANNING BUILDING SUPPLIES INC | JACKSONVILLE, FL | Synovus Bank |
| $150,000–350,000 | MARCH MOTORS INC | JACKSONVILLE, FL | Ameris Bank |
| $150,000–350,000 | MARCO ELECTRICAL CONTRACTORS INC | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $150,000–350,000 | MARCO HEATING & AIR INC | JACKSONVILLE, FL | Wells Fargo Bank, National Association |
| $150,000–350,000 | MARCUS ALLEN HOMES INC | JACKSONVILLE, FL | Synovus Bank |
| $350,000–1 million | MARDANT ELECTRICAL CONSTRUCTION CO. INC. | JACKSONVILLE, FL | Regions Bank |
| $150,000–350,000 | MARGO STATE LINE, INC | JACKSONVILLE, FL | First Source Federal Credit Union |
| $350,000–1 million | MARIETTA SAND CORPORATION | JACKSONVILLE, FL | SouthState Bank, National Association |
| $350,000–1 million | MARKS GRAY, P.A. | JACKSONVILLE, FL | SouthState Bank, National Association |
| $150,000–350,000 | MARLYN ENTERPRISES OF JACKSONVILLE INC | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | MARTIN APPLIANCE FAMILY, INC | JACKSONVILLE, FL | First Federal Bank |
| $150,000–350,000 | MATRIX ITG INC | JACKSONVILLE, FL | Bank OZK |
| $350,000–1 million | MATRIX MACHINE AND REPAIR INC | JACKSONVILLE, FL | Bank of America, National Association |
| $150,000–350,000 | MAYHUGH DRUGS INC | JACKSONVILLE, FL | 121 Financial CU, A Division of VyStar Credit Union |
| $150,000–350,000 | MAYO GR LAND LLC | JACKSONVILLE, FL | Synovus Bank |
| $150,000–350,000 | MCANENY BUILDERS LLC | JACKSONVILLE, FL | Cross River Bank |