| $350,000–1 million | OLIVE & OAK LLC | WEBSTER GROVES, MO | Busey Bank |
| $150,000–350,000 | OLIVE MEDITERRANEAN GRILL INC. | ROSEMONT, IL | Busey Bank |
| $150,000–350,000 | OLYMPIC CONSTRUCTION LLC | URBANA, IL | Busey Bank |
| $350,000–1 million | OMEGA PLUMBING, INC. | JOLIET, IL | Busey Bank |
| $350,000–1 million | OMEGA STEEL COMPANY | BRIDGETON, MO | Busey Bank |
| $350,000–1 million | ON THE JOB CONSULTING INC | URBANA, IL | Busey Bank |
| $150,000–350,000 | ONEFIRE MEDIA GROUP, INC | PEORIA, IL | Busey Bank |
| $150,000–350,000 | ONPATH FINANCIAL, LLC | SAINT CHARLES, IL | Busey Bank |
| $350,000–1 million | OPERA HOUSE OPERATOR, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | OPERATING ENGINEERS LOCAL 520 JOINT APPRENTICESHIP AND TRAINING FUND | SAINT JACOB, IL | Busey Bank |
| $350,000–1 million | OPTIMA GROUP, LLC | CHESTERFIELD, MO | Busey Bank |
| $150,000–350,000 | ORTHOPEDIC AND SPORTS EHANCEMENT CENTER, LLC | BLOOMINGTON, IL | Busey Bank |
| $1–2 million | ORTHOPEDIC CENTER OF FLORIDA, INC. | FORT MYERS, FL | Busey Bank |
| $150,000–350,000 | ORTIZ EYE ASSOCIATES P.C. | MORRIS, IL | Busey Bank |
| $150,000–350,000 | OSPRO SYSTEMS LLC | FORT MYERS, FL | Busey Bank |
| $150,000–350,000 | OSWALT GENERAL SURGERY, P.C | MORRIS, IL | Busey Bank |
| $150,000–350,000 | OVERLAND METALS, LLC | OVERLAND, MO | Busey Bank |
| $150,000–350,000 | OVERSTREET BUILDERS, INC | NAPERVILLE, IL | Busey Bank |
| $150,000–350,000 | P57 CAPE CORAL LLC | CAPE CORAL, FL | Busey Bank |
| $150,000–350,000 | PAA, LLC | MOUNT VERNON, IA | Busey Bank |
| $150,000–350,000 | PACIFIC AIR INDUSTRIES, LLC | CHATSWORTH, CA | Busey Bank |
| $350,000–1 million | PACK, INC. | DECATUR, IL | Busey Bank |
| $350,000–1 million | PAIN SPECIALISTS OF GREATER CHICAGO, S.C. | BURR RIDGE, IL | Busey Bank |
| $150,000–350,000 | PARADISE PET HOTEL & DAY SPA, LLC | BLOOMINGTON, IL | Busey Bank |
| $150,000–350,000 | PARAMOUNT CONVENTION SERVICES, INC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | PARAPRO, LLC | CARMEL, IN | Busey Bank |
| $150,000–350,000 | PARK POINT SUPPORTIVE LIVING, LLC | MORRIS, IL | Busey Bank |
| $150,000–350,000 | PARTEE ASSOCIATES, L.L.C. DBA PROPERTY ASSESSMENT REVIEW | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | PARTNERSHIP CONCEPTS REALTY MANAGEMENT, INC | HINSDALE, IL | Busey Bank |
| $1–2 million | PEAK HOME HEALTH CARE, LLC | JOLIET, IL | Busey Bank |
| $1–2 million | PEARL CARROLL & ASSOCIATES LLC | PEORIA HEIGHTS, IL | Busey Bank |
| $350,000–1 million | PEARL IMPORTS OF PEORIA, LLC | PEORIA HEIGHTS, IL | Busey Bank |
| $2–5 million | PEARL INSURANCE GROUP, LLC | PEORIA HEIGHTS, IL | Busey Bank |
| $150,000–350,000 | PEORIA DENTAL CARE, LLC | PEORIA, IL | Busey Bank |
| $150,000–350,000 | PEORIA PUMP INC. | PEORIA, IL | Busey Bank |
| $150,000–350,000 | PEORIA SLF SP LLC | PEORIA, IL | Busey Bank |
| $150,000–350,000 | PEORIA TITLE INC. | PEORIA, IL | Busey Bank |
| $350,000–1 million | PEPSI-COLA CHAMPAIGN - URBANA BOTTLING CO. | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | PERFORMANCE GEAR SYSTEMS INC. | PLAINFIELD, IL | Busey Bank |
| $150,000–350,000 | PERIODONTICS OF SOUTHERN ILLINOIS, LTD. | SWANSEA, IL | Busey Bank |
| $350,000–1 million | PERPETUAL TECHNOLOGIES, INC. | INDIANAPOLIS, IN | Busey Bank |
| $150,000–350,000 | PHC EDWARDSVILLE RESTAURANTS, LLC | EDWARDSVILLE, IL | Busey Bank |
| $1–2 million | PHD SERVICES, LLC | PEORIA, IL | Busey Bank |
| $150,000–350,000 | PHOENIX BEAN, LLC | CHICAGO, IL | Busey Bank |
| $150,000–350,000 | PHS ENTERPRISES, INC. | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | PICASSO LAWN & LANDSCAPING LLC | FISHERS, IN | Busey Bank |
| $150,000–350,000 | PINNACLE STAFFING RESOURCES, LLC. | ORLANDO, FL | Busey Bank |
| $350,000–1 million | PITCHFORD ELEVATOR COMPANY | RICHVIEW, IL | Busey Bank |
| $150,000–350,000 | PLAINFIELD GRADING AND EXCAVATING, INC | PLAINFIELD, IL | Busey Bank |
| $150,000–350,000 | PMMO ST. LOUIS, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | POLAR BEAR COOLING & HEATING LLC | NORTH PORT, FL | Busey Bank |
| $350,000–1 million | POLARIS SOFTWARE LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | POLARVILLE COLD STORAGE LLC | NATIONAL STOCK YARDS, IL | Busey Bank |
| $150,000–350,000 | POLYNESIA STL, LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | POTTER ELECTRIC SERVICE INC | URBANA, IL | Busey Bank |
| $1–2 million | POWER PLAY DISTRIBUTORS LLC | WOODRIDGE, IL | Busey Bank |
| $150,000–350,000 | PRAIRIE WINDS OF URBANA LLC | URBANA, IL | Busey Bank |
| $150,000–350,000 | PRECISE BENEFIT SERVICES, LLC | BLOOMINGTON, IL | Busey Bank |
| $350,000–1 million | PREMIER ARCHITECTURAL PRODUCTS, LLC | MONTGOMERY, IL | Busey Bank |
| $150,000–350,000 | PREMIER ENGINEERING, ARCHITECTURE AND SURVEY, LLC | WENTZVILLE, MO | Busey Bank |
| $350,000–1 million | PREMIER HEALTHCARE OF NEW HARMONY, LLC | NEW HARMONY, IN | Busey Bank |
| $350,000–1 million | PRESERVATION SERVICES, INC | ROMEOVILLE, IL | Busey Bank |
| $150,000–350,000 | PRO AUDIO SERVICES, INC. | NORTH PORT, FL | Busey Bank |
| $1–2 million | PROFESSIONAL METERS, INC. | MORRIS, IL | Busey Bank |
| $2–5 million | PROFESSIONAL THERAPY SERVICES, INC | BELLEVILLE, IL | Busey Bank |
| $350,000–1 million | PROGRESSIVE DYNAMICS ENTERPRISES LLC | MARSHALL, MI | Busey Bank |
| $350,000–1 million | PROMISE HEALTHCARE, NFP | CHAMPAIGN, IL | Busey Bank |
| $150,000–350,000 | PROPACK PACKAGING, INC. | SAINT LOUIS, MO | Busey Bank |
| $1–2 million | PROVIDENCE CATHOLIC HIGH SCHOOL | NEW LENOX, IL | Busey Bank |
| $150,000–350,000 | PT TECHNOLOGIES, LLC | PEORIA HEIGHTS, IL | Busey Bank |
| $150,000–350,000 | PUMPKIN PLACE LTD | MORTON, IL | Busey Bank |
| $150,000–350,000 | PURE BLISS, LTD. | PEORIA, IL | Busey Bank |
| $350,000–1 million | PURK & ASSOCIATES, PC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | PYRAMID ELECTRICAL CONTRACTORS INC | FAIRVIEW HEIGHTS, IL | Busey Bank |
| $350,000–1 million | QUALITY CARTAGE, INC. | CHICAGO RIDGE, IL | Busey Bank |
| $150,000–350,000 | QUALITY MED TRANSPORT INC. | URBANA, IL | Busey Bank |
| $150,000–350,000 | QUALITY PASTA COMPANY, LLC | CHARLEROI, PA | Busey Bank |
| $1–2 million | QUALITY SNACK FOODS, INC. | ALSIP, IL | Busey Bank |
| $150,000–350,000 | QUALITY TESTING AND ENGINEERING, INC | O FALLON, IL | Busey Bank |
| $350,000–1 million | R & R GENERAL CONTRACTORS, INC. | MT ZION, IL | Busey Bank |
| $350,000–1 million | R MIDWEST, INC. | MARENGO, IL | Busey Bank |
| $150,000–350,000 | R. A. CARR CONSULTING, INC. | NAPERVILLE, IL | Busey Bank |
| $350,000–1 million | R.V. WAGNER, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | RACHKE PIPING AND MECHANICAL, INC. | JOLIET, IL | Busey Bank |
| $1–2 million | RAM INDUSTRIES ACQUISITIONS, LLC | HOUSTON, TX | Busey Bank |
| $350,000–1 million | RATHBUN, CSERVENYAK & KOZOL, LLC | JOLIET, IL | Busey Bank |
| $2–5 million | RATIO ARCHITECTS, INC. | INDIANAPOLIS, IN | Busey Bank |
| $1–2 million | RAY DENNISON CHEVROLET, INC | PEKIN, IL | Busey Bank |
| $150,000–350,000 | RAZ CONSTRUCTION LLC | FORT MYERS, FL | Busey Bank |
| $150,000–350,000 | RE3 STEM CELL AND HEALING INSTITUTE, PLLC | SARASOTA, FL | Busey Bank |
| $150,000–350,000 | RECYCLERS OF CHAMPAIGN COUNTY INC | GENESEO, IL | Busey Bank |
| $150,000–350,000 | RED BIRD PRE-MIX CO. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | RED BIRD READY-MIX CO. | SAINT LOUIS, MO | Busey Bank |
| $2–5 million | REFLECTIONS WINDOW COMPANY LLC | CHICAGO, IL | Busey Bank |
| $150,000–350,000 | REIFSTECK REID & COMPANY ARCHITECTS | CHAMPAIGN, IL | Busey Bank |
| $150,000–350,000 | RELIABLE LANDSCAPING, LLC | PLAINFIELD, IL | Busey Bank |
| $150,000–350,000 | REMCO ELECTRICAL CORPORATION | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | REMINGTON ASSOCIATES, LTD | SCHAUMBURG, IL | Busey Bank |
| $350,000–1 million | RENEWING MANAGEMENT INC | INDIANAPOLIS, IN | Busey Bank |
| $150,000–350,000 | RENUKA H BHATT, M.D., S.C. | WILLOWBROOK, IL | Busey Bank |