| $150,000–350,000 | CHRIS' PANCAKES INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CHRIST COMMUNITY LUTHERAN SCHOOL | SAINT LOUIS, MO | Southern Bank |
| $150,000–350,000 | CHRIST MEMORIAL CHILD CARE CENTER | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | CHRIST MEMORIAL LUTHERAN CHURCH | SAINT LOUIS, MO | Carrollton Bank |
| $1–2 million | CHRISTIAN BROTHERS COLLEGE HIGH SCHOOL | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | CHRISTNER, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CHRISTOPHER GERONSIN, INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $1–2 million | CHURCHILL CENTER AND SCHOOL FOR LEARNING DISABILITIES | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | CHYAMS LLC | SAINT LOUIS, MO | Cass Commercial Bank |
| $150,000–350,000 | CI LLC | SAINT LOUIS, MO | Bank of Washington |
| $350,000–1 million | CI REST LLC | SAINT LOUIS, MO | Bank of Washington |
| $350,000–1 million | CITY ACADEMY INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | CITY GARDEN MONTESSORI SCHOOL | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | CITY LIGHTING PRODUCTS CO | SAINT LOUIS, MO | Midwest Regional Bank |
| $1–2 million | CIVIL DESIGN INC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | CIVIL ENGINEERING DESIGN CONSULTANTS, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CJC TRANSPORT LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CJW ENTERPRISES, INC | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | CKC MANUFACTURING, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | CLARK LOGISTIC SERVICES. INC. | SAINT LOUIS, MO | Great Southern Bank |
| $1–2 million | CLASSIC AIRE CARE, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | CLASSIC CAR STUDIO | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | CLASSIC METAL CRAFT INC. | SAINT LOUIS, MO | BMO Bank National Association |
| $150,000–350,000 | CLASSIC WOODWORKING, INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | CLASSIQUE LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | CLAY PIPING SYSTEMS, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | CLAYTON CAPITAL PARTNERS, INC. | SAINT LOUIS, MO | Triad Bank |
| $350,000–1 million | CLAYTON EARLY CHILDHOOD CENTER | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | CLAYTON SLEEP INSTITUTE, LLC | SAINT LOUIS, MO | First Bank |
| $5–10 million | CLEAN UNIFORM COMPANY | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | CLEVER REAL ESTATE INC. | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | CLIF WILKERSON, INC. | SAINT LOUIS, MO | St. Johns Bank and Trust Company |
| $150,000–350,000 | CLINICAL RESEARCH ASSOCIATES PC | SAINT LOUIS, MO | Midland States Bank |
| $2–5 million | CLJM, LLC | SAINT LOUIS, MO | Great Southern Bank |
| $150,000–350,000 | CLP MANAGEMENT, INC | SAINT LOUIS, MO | Midwest Regional Bank |
| $350,000–1 million | CLUB TV ONE, LLC | SAINT LOUIS, MO | Justine Petersen Housing & Reinvestment Corporation |
| $350,000–1 million | CMA GLOBAL, INC. | SAINT LOUIS, MO | Triad Bank |
| $350,000–1 million | CNI LIGHTING, LLC | SAINT LOUIS, MO | Triad Bank |
| $150,000–350,000 | CNJ MECHANICAL CONTRACTORS, L.L.C. | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | COATINGS APPLICATION & WATERPROOFING CO. | SAINT LOUIS, MO | Regions Bank |
| $150,000–350,000 | COFMAN & TOWNSLEY, LLP | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COHEN EYE ASSOCIATES, LIMITED | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | COIN ACCEPTORS, INC. | SAINT LOUIS, MO | Citizens Bank |
| $1–2 million | COLE AND ASSOCIATES, INC. | SAINT LOUIS, MO | First Mid Bank and Trust National Association |
| $350,000–1 million | COLHOT LLC | SAINT LOUIS, MO | Bank of Washington |
| $150,000–350,000 | COLLABORATIVE STRATEGIES, INC. | SAINT LOUIS, MO | Southern Bank |
| $150,000–350,000 | COLLEGIATE DEVELOPMENT GROUP, LLC | SAINT LOUIS, MO | Midwest BankCentre |
| $2–5 million | COLLINS & HERMANN, INC. | SAINT LOUIS, MO | Busey Bank |
| $5–10 million | COLOR ART PALETTE, INC. | SAINT LOUIS, MO | First Bank |
| $350,000–1 million | COLORTEK INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $1–2 million | COLTRANE SYSTEMS LLC | SAINT LOUIS, MO | Royal Banks of Missouri |
| $150,000–350,000 | COMBUSTION KINETICS CORP | SAINT LOUIS, MO | Southern Bank |
| $150,000–350,000 | COMMAND CONCEPT COMPANY | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COMMERCIAL BATHWARES LC | SAINT LOUIS, MO | Great Southern Bank |
| $350,000–1 million | COMMERCIAL FLOORING INC. | SAINT LOUIS, MO | Bank of Washington |
| $350,000–1 million | COMMERCIAL KITCHEN SERVICES INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | COMMERCIAL PLATING COMPANY | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | COMMUNITY ACTION AGENCY OF ST. LOUIS COUNTY, INC. | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COMMUNITY HOUSING MANAGEMENT CORP. | SAINT LOUIS, MO | Royal Banks of Missouri |
| $1–2 million | COMMUNITY SCHOOL ASSOCIATION | SAINT LOUIS, MO | Commerce Bank |
| $5–10 million | COMPASS ELECTRONICS GROUP LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | COMPLETE DRYWALL & TAPING INC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COMPLETE EYE CARE, INC. | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | COMPLETE MUSIC INC | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | COMPREHENSIVE CARDIOVASCULAR CONSULTANTS INC | SAINT LOUIS, MO | Commercial Bank |
| $150,000–350,000 | CONCEPT TECHNOLOGY INC | SAINT LOUIS, MO | Bank of America, National Association |
| $150,000–350,000 | CONCORD AUTO BODY INC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | CONCORDANCE ACADEMY OF LEADERSHIP | SAINT LOUIS, MO | Newtek Small Business Finance, Inc. |
| $2–5 million | CONCORDIA PLAN SERVICES | SAINT LOUIS, MO | First Bank |
| $2–5 million | CONCORDIA PUBLISHING HOUSE | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | CONCRETE CORING COMPANY OF NORTH AMERICA, INC. | SAINT LOUIS, MO | Busey Bank |
| $2–5 million | CONFLUENCE ACADEMY, INC | SAINT LOUIS, MO | Peoples National Bank, National Association |
| $350,000–1 million | CONGREGATION B'NAI AMOONA | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | CONGREGATION TEMPLE ISRAEL | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | CONLEY INSURANCE GROUP | SAINT LOUIS, MO | First Midwest Bank of the Ozarks |
| $150,000–350,000 | CONN EDUCATION INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CONNECTOR CASTINGS, INC. | SAINT LOUIS, MO | Bank of America, National Association |
| $350,000–1 million | CONNER ASH PC | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | CONSIPS, LLC | SAINT LOUIS, MO | Southern Bank |
| $1–2 million | CONSOLIDATED HOLDING COMPANY | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | CONSULTANTS IN WOMENS HEALTHCARE INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | CONSUMER COLLECTION MANAGEMENT INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | CONTEMPORARY ART MUSEUM ST LOUIS | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | CONTEMPORARY PRODUCTIONS, L.L.C. | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | CONTINENTAL FABRICATORS, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | CONTINUUM LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $350,000–1 million | CONTRACT FREIGHT MANAGEMENT, LLC | SAINT LOUIS, MO | Triad Bank |
| $150,000–350,000 | CONTRACT PAINTING SERVICE, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | CONVERSOURCE, INC. | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COOKIE PEDDLERS, LLC | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | COOL FIRE STUDIOS LLC | SAINT LOUIS, MO | First Business Bank |
| $1–2 million | COOLFIRE SOLUTIONS, INC. | SAINT LOUIS, MO | CIBC Bank USA |
| $1–2 million | COOPERATIVE HOME CARE, INC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | COPP OF ST. LOUIS LLC | SAINT LOUIS, MO | Lindell Bank & Trust Company |
| $150,000–350,000 | COPPER PEAK LOGISTICS, LP | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | COPPER TITLE LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $1–2 million | COR JESU ACADEMY | SAINT LOUIS, MO | The Central Trust Bank |
| $150,000–350,000 | CORDIA PLUMBING COMPANY INC | SAINT LOUIS, MO | Bank of America, National Association |
| $150,000–350,000 | CORE DEVELOPMENT, LLC | SAINT LOUIS, MO | Triad Bank |
| $350,000–1 million | CORE TELECOM SYSTEMS, INC. | SAINT LOUIS, MO | Midwest BankCentre |