| $350,000–1 million | BOYER FIRE PROTECTION, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | BRANDT EXCAVATING INC - BAD5826 | Morris, IL | Busey Bank |
| $150,000–350,000 | BRANDT EXCAVATING, INC. | MORRIS, IL | Busey Bank |
| $350,000–1 million | BRECHT'S DATABASE SOLUTIONS, INC. | HIGHLAND, IL | Busey Bank |
| $150,000–350,000 | BRENTWOOD TRAVEL SERVICE INC - BAD7834 | Creve Coeur, MO | Busey Bank |
| $350,000–1 million | BREWERS DISTRIBUTING COMPANY | PEORIA, IL | Busey Bank |
| $350,000–1 million | BREWSTER COMPANIES, INC | MARYVILLE, IL | Busey Bank |
| $150,000–350,000 | BRIAN ZABEL & ASSOCIATES, PC | MORRIS, IL | Busey Bank |
| $150,000–350,000 | BRIDGE TECHNOLOGIES AND SOLUTIONS LLC | BONITA SPRINGS, FL | Busey Bank |
| $150,000–350,000 | BRIX SYSTEMS INC. | BELLEVILLE, IL | Busey Bank |
| $350,000–1 million | BROEREN RUSSO BUILDERS, INC. | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | BROEREN RUSSO CONSTRUCTION INC | CHAMPAIGN, IL | Busey Bank |
| $1–2 million | BROEREN RUSSO CONSTRUCTION INC - BAC8986 | Champaign, IL | Busey Bank |
| $1–2 million | BROOK VIEW NURSING HOME INC | SAINT CHARLES, MO | Busey Bank |
| $150,000–350,000 | BT MANAGEMENT HOLDINGS, LLC | ELMHURST, IL | Busey Bank |
| $350,000–1 million | BUCHHOLZ INTERIORS INC | SAINT PETERS, MO | Busey Bank |
| $150,000–350,000 | BUILD YOUR BONFIRE, LLC | CARMEL, IN | Busey Bank |
| $5–10 million | BUILDER'S BLOC ENTERPRISES, INC. | CHESTERFIELD, MO | Busey Bank |
| $350,000–1 million | BUILDINGSTARS MANAGEMENT, INC | St. Louis, MO | Busey Bank |
| $350,000–1 million | BURTON MEDICAL LLC - BAD4322 | Addison, IL | Busey Bank |
| $350,000–1 million | BURTON MEDICAL, LLC | ADDISON, IL | Busey Bank |
| $150,000–350,000 | BUZARD PIPE ORGAN BUILDERS | CHAMPAIGN, IL | Busey Bank |
| $150,000–350,000 | BUZARD PIPE ORGAN BUILDERS - BAD6470 | Champaign, IL | Busey Bank |
| $1–2 million | C F ROARK WELDING & ENGINEERING COMPANY INC | BROWNSBURG, IN | Busey Bank |
| $150,000–350,000 | C&C CONSTRUCTION AND MANAGEMENT LLC | OSWEGO, IL | Busey Bank |
| $150,000–350,000 | C&C SEAMLESS GUTTERING, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | C&I HOLDINGS, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | C-MAC, INC. | GREENVILLE, IL | Busey Bank |
| $350,000–1 million | C.R. LEONARD PLUMBING & HEATING, INC. | JOLIET, IL | Busey Bank |
| $350,000–1 million | CAFETERIA ALTERNATIVES INC. | Peoria, IL | Busey Bank |
| $150,000–350,000 | CAFETERIA ALTERNATIVES, INC. | PEORIA, IL | Busey Bank |
| $150,000–350,000 | CALIBER PACKAGING AND EQUIPMENT, LLC | KANNAPOLIS, NC | Busey Bank |
| $150,000–350,000 | CALIBER PACKAGING GROUP LLC | KANNAPOLIS, NC | Busey Bank |
| $150,000–350,000 | CALIBER PACKAGING, LLC | KANNAPOLIS, NC | Busey Bank |
| $150,000–350,000 | CAM GROUP, LLC | PORTLAND, OR | Busey Bank |
| $150,000–350,000 | CAMI L HOVDA DDS PC - CAA8813 | Zionsville, IN | Busey Bank |
| $150,000–350,000 | CAMI L. HOVDA DDS, P.C. | CARMEL, IN | Busey Bank |
| $150,000–350,000 | CAMVI TECHNOLOGIES INC - CAC9640 | Palo Alto, CA | Busey Bank |
| $2–5 million | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS, SC | DECATUR, IL | Busey Bank |
| $150,000–350,000 | CANTOR INJURY LAW LLC - CAC8356 | Saint Louis, MO | Busey Bank |
| $150,000–350,000 | CANTOR INJURY LAW, LLC | Saint Louis, MO | Busey Bank |
| $350,000–1 million | CAP GROUP LLC | BEDFORD, IN | Busey Bank |
| $350,000–1 million | CAP GROUP LLC - CAA9651 | Bedford, IN | Busey Bank |
| $150,000–350,000 | CAR-ANTH MANUFACTURING, INC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | CARDIAC CARE GROUP LLC - CAA9925 | Cape Coral, FL | Busey Bank |
| $150,000–350,000 | CARDIAC CARE GROUP, LLC | CAPE CORAL, FL | Busey Bank |
| $150,000–350,000 | CARE AND COUNSELING, INC. | SAINT LOUIS, MO | Busey Bank |
| $1–2 million | CARGO SALES INC - CAB0037 | Hazelwood, MO | Busey Bank |
| $1–2 million | CARGO SALES, INCORPORATED | HAZELWOOD, MO | Busey Bank |
| $350,000–1 million | CARLISLE UTILITY CONTRACTORS INC - CAC7955 | Hobart, IN | Busey Bank |
| $350,000–1 million | CARLISLE UTILITY CONTRACTORS, INC | HOBART, IN | Busey Bank |
| $150,000–350,000 | CARTER'S FURNITURE, INC. | URBANA, IL | Busey Bank |
| $150,000–350,000 | CARTERS FURNITURE INC - CAB1587 | Urbana, IL | Busey Bank |
| $350,000–1 million | CASA YBEL RESORT PARTNERSHIP | SANIBEL, FL | Busey Bank |
| $350,000–1 million | CASA YBEL RESORT PTNRSHIP - CAB1691 | Sanibel, FL | Busey Bank |
| $150,000–350,000 | CASCADE CONTROLS INC - CAB1720 | Tinley Park, IL | Busey Bank |
| $150,000–350,000 | CASCADE CONTROLS, INC. | TINLEY PARK, IL | Busey Bank |
| $150,000–350,000 | CASTLE DESIGN LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | CASTLE LEGAL LLC | JOLIET, IL | Busey Bank |
| $350,000–1 million | CAT5 COMMERCE, LLC | CHESTERFIELD, MO | Busey Bank |
| $1–2 million | CATALYST CONSULTING GROUP INC - CAB2262 | Chicago, IL | Busey Bank |
| $1–2 million | CATALYST CONSULTING GROUP, INC. | CHICAGO, IL | Busey Bank |
| $2–5 million | CATALYST EXHIBITS INC. | Pleasant Prairie, WI | Busey Bank |
| $150,000–350,000 | CATER INN INC - CAB2291 | Peoria, IL | Busey Bank |
| $350,000–1 million | CATHAY INDUSTRIES (USA) INC. | BARTLETT, IL | Busey Bank |
| $350,000–1 million | CATHEDRAL OF ST. RAYMOND CONFERENCE-ST. VINCENT DE PAUL SOCI | JOLIET, IL | Busey Bank |
| $150,000–350,000 | CATHODIC PROTECTION MANAGEMENT - CAB2341 | Elburn, IL | Busey Bank |
| $150,000–350,000 | CATHODIC PROTECTION MANAGEMENT INC | ELBURN, IL | Busey Bank |
| $350,000–1 million | CATHOLIC DIOCESE OF PEORIA | PEORIA, IL | Busey Bank |
| $350,000–1 million | CATHOLIC DIOCESE OF PEORIA - CAB2345 | Peoria, IL | Busey Bank |
| $150,000–350,000 | CEDARHURST OF BETHALTO HOLDINGS, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | CEDARHURST OF JACKSONVILLE HOLDINGS, LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | CEDARHURST OF NAPERVILLE HOLDINGS, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | CEDARHURST OF YORKVILLE HOLDINGS, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | CENTERS FOR FOOT & ANKLE SURGERY, LTD. | YORKVILLE, IL | Busey Bank |
| $150,000–350,000 | CENTRAL ILLINOIS ASSOCIATES, LTD. | DECATUR, IL | Busey Bank |
| $150,000–350,000 | CENTRAL ILLINOIS DEVELOPMENT DEVELOPMENT, INC | BLOOMINGTON, IL | Busey Bank |
| $150,000–350,000 | CENTRAL ILLINOIS DEVELOPMENT I - CAB2852 | Bloomington, IL | Busey Bank |
| $350,000–1 million | CENTRAL ILLINOIS TURF INC - CAC7970 | Bloomington, IL | Busey Bank |
| $350,000–1 million | CENTRAL ILLINOIS TURF, INC | BLOOMINGTON, IL | Busey Bank |
| $150,000–350,000 | CENTRAL LIMESTONE COMPANY, INC | MORRIS, IL | Busey Bank |
| $350,000–1 million | CENTRAL SITE DEVELOPMENT LLC | RIVERVIEW, FL | Busey Bank |
| $350,000–1 million | CENTRAL SITE DEVELOPMENT LLC - CAB2900 | Riverview, FL | Busey Bank |
| $150,000–350,000 | CENTREC, L.L.C. | SAVOY, IL | Busey Bank |
| $350,000–1 million | CF HOLDINGS, INC. AND CUSTOM FILTER LLC | AURORA, IL | Busey Bank |
| $350,000–1 million | CGR TECHNOLOGIES INC - CAB3042 | Palatine, IL | Busey Bank |
| $350,000–1 million | CGR TECHNOLOGIES INC. | PALATINE, IL | Busey Bank |
| $350,000–1 million | CHAMPAIGN A&K INSULATION CO., INC. | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | CHAMPAIGN COUNTY YMCA | CHAMPAIGN, IL | Busey Bank |
| $350,000–1 million | CHAMPAIGN COUNTY YMCA - CAB3408 | Champaign, IL | Busey Bank |
| $350,000–1 million | CHAMPAIGN-DANVILLE GRAIN INSPECTION DEPTS., INC | URBANA, IL | Busey Bank |
| $1–2 million | CHASTAIN & ASSOCIATES LLC | DECATUR, IL | Busey Bank |
| $1–2 million | CHEMLINE INCORPORATED | SAINT LOUIS, MO | Busey Bank |
| $1–2 million | CHEMLINE INCORPORATED - CAB4443 | Saint Louis, MO | Busey Bank |
| $350,000–1 million | CHICAGO CAR CENTER INC - CAB4907 | Chicago, IL | Busey Bank |
| $350,000–1 million | CHICAGO CAR CENTER, INC. | CHICAGO, IL | Busey Bank |
| $350,000–1 million | CHICAGO DISPLAY COMPANY | RIVER GROVE, IL | Busey Bank |
| $1–2 million | CHICAGO FOOD CORPORATION | NILES, IL | Busey Bank |
| $350,000–1 million | CHICAGO GLASS & MIRROR INC - CAB4918 | Chicago, IL | Busey Bank |
| $350,000–1 million | CHICAGO GLASS & MIRROR, INC. | CHICAGO, IL | Busey Bank |