| $150,000–350,000 | DELTA GAMMA CENTER FOR CHILDREN WITH VISUAL IMPAIRMENTS | SAINT LOUIS, MO | Peoples National Bank, National Association |
| $1–2 million | DELUCA PLUMBING LLC | SAINT LOUIS, MO | First Bank |
| $2–5 million | DEMA ENGINEERING CO. & AFFILIATES | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | DENIM SOFTWARE, INC. | SAINT LOUIS, MO | American Bank of Missouri |
| $150,000–350,000 | DENTON'S AIR CONDITIONING & HEATING LLC | SAINT LOUIS, MO | FortuneBank |
| $150,000–350,000 | DEPARTMENT OF SPECIAL EDUCATION - ARCHDIOCESE OF ST. LOUIS | SAINT LOUIS, MO | Peoples National Bank, National Association |
| $150,000–350,000 | DERMATOLOGICAL CARE INC. | SAINT LOUIS, MO | St. Louis Bank |
| $350,000–1 million | DESALES COMMUNITY DEVELOPMENT | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | DESIGN NINE, INC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | DESIGNS FOR TOMORROW, INC. | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | DESTINATION ST LOUIS INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | DEVELOPMENT STRATEGIES INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $2–5 million | DFM INVESTMENT COMPANY | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | DIAMOND BAR MOTOR SPORTS LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | DICKINSON HUSSMAN ARCHITECTS PC | SAINT LOUIS, MO | Regions Bank |
| $150,000–350,000 | DICOM, INC | SAINT LOUIS, MO | Midland States Bank |
| $150,000–350,000 | DIESTELKAMP CONTRACTING LLC | SAINT LOUIS, MO | Regions Bank |
| $350,000–1 million | DINO'S | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | DIRECT BIOLOGICS, LLC | SAINT LOUIS, MO | Vista Bank |
| $150,000–350,000 | DISCOUNT SMOKE SHOP, INC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | DIVERSIFIED CONTRACTORS INC. | SAINT LOUIS, MO | Great Southern Bank |
| $350,000–1 million | DIVERSIFIED PACKAGING CORP | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | DJL SQ 5, LLC | SAINT LOUIS, MO | Triad Bank |
| $350,000–1 million | DLJ SQUARED 2 LLC | SAINT LOUIS, MO | Triad Bank |
| $150,000–350,000 | DNI PROPERTIES, INC. | SAINT LOUIS, MO | South State Bank, National Association |
| $150,000–350,000 | DOBSON, BERNS& RICH, LLP | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | DOCTORS EYE CLINIC INC | SAINT LOUIS, MO | Montgomery Bank |
| $150,000–350,000 | DOCUMENT COPY SERVICE INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | DOGTOWN PIZZA, LLC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | DOLE HEATING, AIR CONDITIONING AND DUCT CLEANING LLC | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | DOM ENTERPRISES LLC | SAINT LOUIS, MO | Cass Commercial Bank |
| $150,000–350,000 | DOMAINE MANAGEMENT, LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $1–2 million | DON BROWN CHEVROLET, INC | SAINT LOUIS, MO | American Bank of Missouri |
| $150,000–350,000 | DONAL L. SCHLAPPRIZZI, PC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | DOOR SERVICE INC | SAINT LOUIS, MO | Lindell Bank & Trust Company |
| $150,000–350,000 | DORNAKA RESTAURANT HOLDINGS LLC | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | DOUBLE D EXPRESS INC | SAINT LOUIS, MO | Midland States Bank |
| $150,000–350,000 | DOVER DEVELOPMENT, LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | DOVETAIL INC. | SAINT LOUIS, MO | First Bank |
| $350,000–1 million | DOWNTOWN CHILDREN'S CENTER | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $150,000–350,000 | DRESDEN CAPITAL MANAGEMENT, LLC | SAINT LOUIS, MO | CIBC Bank USA |
| $1–2 million | DRIVE SOCIAL MEDIA, LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | DRIVECENTRIC INC. | SAINT LOUIS, MO | St. Louis Bank |
| $2–5 million | DRURY DEVELOPMENT CORPORATION | SAINT LOUIS, MO | Bank of Washington |
| $5–10 million | DRURY HOTELS COMPANY, LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | DSV ENTERPRISES INC. | SAINT LOUIS, MO | Midwest Regional Bank |
| $150,000–350,000 | DUBAIL JUDGE, P.C. | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | DUBUQUE COFFEE CO LLC | SAINT LOUIS, MO | First Bank of the Lake |
| $5–10 million | DUKE MANUFACTURING CO | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | DUNCAN VENTURES, LLC | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | DUNN CPA FIRM, LLP | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | DUNN LAWN AND LANDSCAPING LLC | SAINT LOUIS, MO | Lindell Bank & Trust Company |
| $150,000–350,000 | DUO DOGS, INC. | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | DURKIN EQUIPMENT CO. | SAINT LOUIS, MO | Parkside Financial Bank & Trust |
| $350,000–1 million | DUTCHTOWN CARE CENTER, INC | SAINT LOUIS, MO | Regions Bank |
| $150,000–350,000 | DY-TRONIX INC. | SAINT LOUIS, MO | U.S. Bank, National Association |
| $1–2 million | DYNALABS LLC | SAINT LOUIS, MO | Busey Bank |
| $2–5 million | DYNAMIC TRANSIT COMPANY | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | E & B GRANITE, INC | SAINT LOUIS, MO | The Bank of Houston |
| $350,000–1 million | E. M. HARRIS CONSTRUCTION COMPANY | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | E.J.A TRUCKING INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | EAGLE COLLEGE PREP ENDEAVOR, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | EAGLE LAKE RESTAURANT, INC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | EAGLE SPECIALTY PRODUCTS INC | SAINT LOUIS, MO | Cass Commercial Bank |
| $150,000–350,000 | EASTER FENCE, INC. | SAINT LOUIS, MO | Commerce Bank |
| $1–2 million | EASTERN MISSOURI CONCRETE, LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | EBCO PRODUCTS CORP | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | EBERSOLDT + ASSOCIATES, LLC | SAINT LOUIS, MO | Triad Bank |
| $150,000–350,000 | ECCUBED LLC | SAINT LOUIS, MO | Bank of Springfield |
| $150,000–350,000 | ECHELON CONSTRUCTORS LLC | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | ECM CONSTRUCTION LLC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | ECO SYSTEMS, INC | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | EDEN THEOLOGICAL SEMINARY | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | EDM INCORPORATED | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | EFS ENERGY INC | SAINT LOUIS, MO | Royal Banks of Missouri |
| $150,000–350,000 | EFTHIM COMPANY REALTORS | SAINT LOUIS, MO | Midwest BankCentre |
| $1–2 million | EH, LLC | SAINT LOUIS, MO | St. Louis Bank |
| $350,000–1 million | EJ-4, LLC | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | ELAIA LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | ELASTICITY, LLC | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | ELDER MANUFACTURING COMPANY INC | SAINT LOUIS, MO | Academy Bank, National Association |
| $350,000–1 million | ELECTRIC DESIGN AND SERVICE INC | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | ELECTRICAL ACCESSORIES UNLIMITED LLC | SAINT LOUIS, MO | Midwest Regional Bank |
| $350,000–1 million | ELECTRO CYCLE, INC. | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $350,000–1 million | ELECTROREP-ENERGY PRODUCTS, INC. | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $350,000–1 million | ELG PALLADIUM GROUP, LLC | SAINT LOUIS, MO | First Bank of the Lake |
| $150,000–350,000 | ELLIS DENTAL, LLC | SAINT LOUIS, MO | BMO Harris Bank National Association |
| $150,000–350,000 | ELLNON HOLDINGS LLC | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | EMAR LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | EMEXICO LLC | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | EMPIRE FENCE AND CUSTOM IRON WORKS INC | SAINT LOUIS, MO | American Bank of Missouri |
| $350,000–1 million | EMPOWERME REHABILITATION, LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | EMPOWERME RX, LLC | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | EMWSB 1, LP | SAINT LOUIS, MO | Bank Star |
| $150,000–350,000 | ENDOCRINOLOGY, DIABETES & METABOLISM | SAINT LOUIS, MO | Bank of America, National Association |
| $150,000–350,000 | ENERCO ELECTRIC CO. INC. | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | ENERGY MARKETING, LLC | SAINT LOUIS, MO | Carrollton Bank |
| $1–2 million | ENERGY PETROLEUM CO | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | ENGINEERED CORROSION SOLUTIONS, LLC | SAINT LOUIS, MO | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | ENGINEERING MARKETING SERVICES GROUP INC | SAINT LOUIS, MO | Cass Commercial Bank |