| $350,000–1 million | L.U. TRANSPORT, INC. | CHICAGO, IL | Busey Bank |
| $150,000–350,000 | LABELS DIRECT, INC. | CHESTERFIELD, MO | Busey Bank |
| $150,000–350,000 | LAKE SHORE OBSTET&GYNEC - LAA5381 | Chicago, IL | Busey Bank |
| $350,000–1 million | LAKE SHORE OBSTETRICS AND GYNECOLOGY, LLC | CHICAGO, IL | Busey Bank |
| $350,000–1 million | LAKESIDE ROOFING COMPANY | COLLINSVILLE, IL | Busey Bank |
| $1–2 million | LANCELOT INC - LAA5970 | ROSEMONT, IL | Busey Bank |
| $1–2 million | LANCELOT INC. | BRIDGEVIEW, IL | Busey Bank |
| $350,000–1 million | LAND ROVER HINSDALE, L.L.C. | HINSDALE, IL | Busey Bank |
| $350,000–1 million | LANDMEIER AND BUSSE HOTEL ASSOC LIMITED | Elk Grove Village, IL | Busey Bank |
| $150,000–350,000 | LANDMEIER AND BUSSE HOTEL ASSOC LIMITED | ELK GROVE VILLAGE, IL | Busey Bank |
| $350,000–1 million | LANDMEIER CORP | Elk Grove Village, IL | Busey Bank |
| $350,000–1 million | LANDMEIER CORP | Elk Grove Village, IL | Busey Bank |
| $350,000–1 million | LANRACORP, INC. | BROWNSTOWN, IL | Busey Bank |
| $1–2 million | LASER ELECTRIC INC. | PEORIA, IL | Busey Bank |
| $350,000–1 million | LAUREL HOTEL LANDLORD LLC - LAA7640 | Saint Louis, MO | Busey Bank |
| $350,000–1 million | LAUREL HOTEL LANDLORD, LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | LAWRENCE FABRIC STRUCTURES, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | LAYSTROM MANUFACTURING CO. | Chicago, IL | Busey Bank |
| $350,000–1 million | LAYSTROM MANUFACTURING CO. | CHICAGO, IL | Busey Bank |
| $150,000–350,000 | LDS INDUSTRIES LLC | ADDISON, IL | Busey Bank |
| $150,000–350,000 | LDS INDUSTRIES LLC - LAA8393 | Addison, IL | Busey Bank |
| $150,000–350,000 | LEADS CONSTRUCTION COMPANY LLC - LAA8564 | Burr Ridge, IL | Busey Bank |
| $150,000–350,000 | LEADS CONSTRUCTION COMPANY, LLC | Burr Ridge, IL | Busey Bank |
| $350,000–1 million | LEEDS ENTERPRISES, INC. | LINCOLNSHIRE, IL | Busey Bank |
| $150,000–350,000 | LEGACY TITLE SERVICES, LLC | CHESTERFIELD, MO | Busey Bank |
| $350,000–1 million | LEO JR. LAWN AND IRRIGATION SERVICES, LLC | NAPLES, FL | Busey Bank |
| $350,000–1 million | LEON BANKIER FAMILY LP | CHAMPAIGN, IL | Busey Bank |
| $150,000–350,000 | LEROY EMERGENCY AMBULANCE SERVICE, INC | LE ROY, IL | Busey Bank |
| $350,000–1 million | LIGHTFIRE PARTNERS LLC - LAB1959 | Earth City, MO | Busey Bank |
| $350,000–1 million | LIGHTFIRE PARTNERS, LLC | EARTH CITY, MO | Busey Bank |
| $150,000–350,000 | LIGHTHOUSE ISLAND RESORT - LAB1964 | Fort Myers Beach, FL | Busey Bank |
| $150,000–350,000 | LIGHTHOUSE ISLAND RESORT INC | FORT MYERS BEACH, FL | Busey Bank |
| $150,000–350,000 | LIMBAUGH CONSTRUCTION CO. INC. | GRANITE CITY, IL | Busey Bank |
| $150,000–350,000 | LINK CONSTRUCTION INC | Fort Myers, FL | Busey Bank |
| $150,000–350,000 | LION LOGISTICS INC - LAB2807 | Bensenville, IL | Busey Bank |
| $150,000–350,000 | LION LOGISTICS, INC | BENSENVILLE, IL | Busey Bank |
| $1–2 million | LITANIA SPORTS GROUP, INC. | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | LITGEN CONCRETE CUTTING AND CORING CO. | Elk Grove Village, IL | Busey Bank |
| $150,000–350,000 | LITGEN MANAGEMENT GROUP LP | Elk Grove Village, IL | Busey Bank |
| $150,000–350,000 | LITGEN MANAGEMENT GROUP, L.P. | Elk Grove Village, IL | Busey Bank |
| $2–5 million | LITTLE FRIENDS, INC. | NAPERVILLE, IL | Busey Bank |
| $350,000–1 million | LITTLE JEWELS LEARNING CENTER INC - LAB3124 | Bloomington, IL | Busey Bank |
| $350,000–1 million | LITTLE JEWELS LEARNING CENTER, INC. | BLOOMINGTON, IL | Busey Bank |
| $350,000–1 million | LM CONSULTANTS INC | Grayslake, IL | Busey Bank |
| $150,000–350,000 | LOCAL BACKHAUL NETWORKS LLC | CHESTERFIELD, MO | Busey Bank |
| $350,000–1 million | LOCKERDOME, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | LOGIC SYSTEMS PRODUCTION LLC | VALLEY PARK, MO | Busey Bank |
| $350,000–1 million | LOGIC SYSTEMS PRODUCTION LLC - LAB4029 | Valley Park, MO | Busey Bank |
| $150,000–350,000 | LONG GROVE ADVISORS LLC | Des Plaines, IL | Busey Bank |
| $150,000–350,000 | LORBERN MANUFACTURING INC. | Schaumburg, IL | Busey Bank |
| $150,000–350,000 | LORBERN MFG. INC. | SCHAUMBURG, IL | Busey Bank |
| $150,000–350,000 | LSI COMPANIES INC. | FORT MYERS, FL | Busey Bank |
| $150,000–350,000 | LSI COMPANIES INC. - LAB7702 | Fort Myers, FL | Busey Bank |
| $150,000–350,000 | LU PARTNERS, INC. | OAK FOREST, IL | Busey Bank |
| $150,000–350,000 | LUCKY NOODLES LLC | CHICAGO, IL | Busey Bank |
| $150,000–350,000 | LUCKY NOODLES LLC - LAB5921 | Chicago, IL | Busey Bank |
| $350,000–1 million | LUCKYS ENERGY SERVICE, INC | Hampshire, IL | Busey Bank |
| $350,000–1 million | LUCKYS ENERGY SERVICE, INC | HAMPSHIRE, IL | Busey Bank |
| $350,000–1 million | LUMERI LLC | Mount Prospect, IL | Busey Bank |
| $350,000–1 million | LUMERI LLC | Mt Prospect, IL | Busey Bank |
| $150,000–350,000 | LUTHERAN CENTRAL SCHOOL ASSOCIATION OF PEORIA, ILLINOIS, INC | PEORIA, IL | Busey Bank |
| $150,000–350,000 | LYDON & ASSOCIATES LLC | Glenview, IL | Busey Bank |
| $150,000–350,000 | LYDON & ASSOCIATES LLC | Northbrook, IL | Busey Bank |
| $350,000–1 million | LYNCH ALUMINUM MFG. CO., AN ILLINOIS CORPORATION | PEORIA, IL | Busey Bank |
| $350,000–1 million | M & J GENERAL CONTRACTORS LTD | ELGIN, IL | Busey Bank |
| $150,000–350,000 | M 2, LLC | BLOOMINGTON, IL | Busey Bank |
| $150,000–350,000 | M D MAGARY CONSTR CO - MAA9808 | Saint Louis, MO | Busey Bank |
| $150,000–350,000 | M D MAGARY CONSTR CO - MAA9808 | Saint Louis, MO | Busey Bank |
| $350,000–1 million | M&J GENERAL CONTRACTORS - MAA9878 | Elgin, IL | Busey Bank |
| $150,000–350,000 | M-CO, LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | M.A.C. MEDICAL INC. | BELLEVILLE, IL | Busey Bank |
| $150,000–350,000 | M2 LLC - MAD5731 | Bloomington, IL | Busey Bank |
| $1–2 million | MAC MEDICAL INC - MAA9990 | Columbia, IL | Busey Bank |
| $150,000–350,000 | MACK & ASSOCIATES, CERTIFIED PUBLIC ACCOUNTANTS, P.C. | MORRIS, IL | Busey Bank |
| $150,000–350,000 | MACKAY & COMPANY, INC. | LOMBARD, IL | Busey Bank |
| $150,000–350,000 | MAGEC GROUP, LLC | INDIANAPOLIS, IN | Busey Bank |
| $150,000–350,000 | MAGGIE MILEYS INC - MAB0754 | Bloomington, IL | Busey Bank |
| $1–2 million | MAH MACHINE COMPANY | CICERO, IL | Busey Bank |
| $350,000–1 million | MAHONEY, SILVERMAN & CROSS, LLC | JOLIET, IL | Busey Bank |
| $150,000–350,000 | MAKSTEEL PROCESSING LLC | DEARBORN, MI | Busey Bank |
| $150,000–350,000 | MAKSTEEL PROCESSING LLC - MAB1444 | Oak Brook, IL | Busey Bank |
| $150,000–350,000 | MAR LO SALES INC - MAD6866 | Irving, TX | Busey Bank |
| $350,000–1 million | MAR LO SALES, INC. | IRVING, TX | Busey Bank |
| $1–2 million | MARCH MANUFACTURING, INC | Glenview, IL | Busey Bank |
| $150,000–350,000 | MARINE SERVICES CORP. | DOLTON, IL | Busey Bank |
| $150,000–350,000 | MARINO ENGINEERING ASSOCIATES INC - MAB3280 | Saint Louis, MO | Busey Bank |
| $150,000–350,000 | MARINO ENGINEERING ASSOCIATES, INC. | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | MARK A SCHEPERLE INC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | MARKETING CONCEPTS GROUP, INC. | OAK BROOK, IL | Busey Bank |
| $150,000–350,000 | MARKETVIEW FINANCE CORPORATION | CHAMPAIGN, IL | Busey Bank |
| $1–2 million | MARKVEND CO | Northbrook, IL | Busey Bank |
| $1–2 million | MARKVEND CO. | Northbrook, IL | Busey Bank |
| $1–2 million | MARTIN CEMENT CO. | ROMEOVILLE, IL | Busey Bank |
| $350,000–1 million | MARTIN GLASS COMPANY | BELLEVILLE, IL | Busey Bank |
| $350,000–1 million | MARTIN HOOD LLC | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | MARTIN JETCO HEATING AND AIR COND INC - MAD6839 | Fenton, MO | Busey Bank |
| $1–2 million | MARTIN JETCO HEATING AND AIR CONDITIONING | FENTON, MO | Busey Bank |
| $150,000–350,000 | MARTIN JETCO INC - MAD6842 | Fenton, MO | Busey Bank |
| $150,000–350,000 | MARTIN JETCO, INC | FENTON, MO | Busey Bank |
| $350,000–1 million | MASK BROTHERS TRUCKING CO., INC. | SAINT LOUIS, MO | Busey Bank |