| $150,000–350,000 | ENGINEERING SOFTWARE RESEARCH AND DEVELOPMENT INC | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | ENGRAPHIX ARCHITECTURAL SIGNAGE INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | ENTREPRENEUR STARTUP BUSINESS DEVELOPMENT CORPORATION | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | ENVIRONMENTAL CONTRACTING, INC | SAINT LOUIS, MO | CIBC Bank USA |
| $350,000–1 million | ENVIRONMENTAL OPERATIONS INC | SAINT LOUIS, MO | CIBC Bank USA |
| $150,000–350,000 | EPHARMIX LLC | SAINT LOUIS, MO | Midwest BankCentre |
| $1–2 million | EPIC SYSTEMS GROUP, LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | EPOCH DESIGN GROUP, INC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | EPSILON RESTAURANT GROUP INC | SAINT LOUIS, MO | Meramec Valley Bank |
| $150,000–350,000 | EPSILON UPSILON ALPHA, LLC | SAINT LOUIS, MO | Bank of Washington |
| $1–2 million | EPWORTH CHILDREN AND FAMILY SERVICES, INC. | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | EQH SERVICE COMPANY LLC | SAINT LOUIS, MO | Midland States Bank |
| $150,000–350,000 | EQUITY ONE INSURANCE AGENCY, L.L.C. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | ESCAPE AIR LTD | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | ESSCO GEOMETRIC, INCORPORATED | SAINT LOUIS, MO | Commerce Bank |
| $5–10 million | ESSEX INDUSTRIES, INC. | SAINT LOUIS, MO | CIBC Bank USA |
| $350,000–1 million | ESTATES OF HIDDEN LAKE LLC | SAINT LOUIS, MO | Brickyard Bank |
| $350,000–1 million | ETEGRA INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $1–2 million | EVANGELICAL CHILDREN'S HOME | SAINT LOUIS, MO | Bloomsdale Bank |
| $150,000–350,000 | EVANGELICAL CHILDREN'S HOME SCHOOL | SAINT LOUIS, MO | Bloomsdale Bank |
| $2–5 million | EVANS & DIXON, L.L.C. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | EVANS FLOORING LLC | SAINT LOUIS, MO | Midland States Bank |
| $350,000–1 million | EVERSPRING, LLC | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | EVERYTHING PETS ANIMAL HOSPITAL PC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | EXCEL FIRE PROTECTION INC. | SAINT LOUIS, MO | American Bank of Missouri |
| $350,000–1 million | EXCEL HOME CARE, INC. | SAINT LOUIS, MO | U.S. Bank, National Association |
| $350,000–1 million | EXECUTIVE DINING, LLC | SAINT LOUIS, MO | FortuneBank |
| $150,000–350,000 | EXEDE SEARCH PARTNERS, INC. | SAINT LOUIS, MO | Cass Commercial Bank |
| $2–5 million | EXEGY INCORPORATED | SAINT LOUIS, MO | JPMorgan Chase Bank, National Association |
| $350,000–1 million | EYE ANESTHESIA LLC | SAINT LOUIS, MO | First Mid Bank & Trust, National Association |
| $150,000–350,000 | EYE CARE ASSOCIATES OF ST. LOUIS, L.L.C. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | EYE PHYSICIANS OF ST. LOUIS, INC. | SAINT LOUIS, MO | Together CU |
| $150,000–350,000 | F & I SYSTEMS INC | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | F&B ACQUISITION GROUP, LLC | SAINT LOUIS, MO | St. Louis Bank |
| $150,000–350,000 | F.R. HAEFNER INC. | SAINT LOUIS, MO | Bank of Washington |
| $150,000–350,000 | F2F, LLC | SAINT LOUIS, MO | Great Southern Bank |
| $150,000–350,000 | FACILITEC INC | SAINT LOUIS, MO | CIBC Bank USA |
| $350,000–1 million | FAIRWAY HOLDINGS, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | FAITH CHURCH OF ST. LOUIS.COM, INC. | SAINT LOUIS, MO | Montgomery Bank |
| $150,000–350,000 | FAITH EVANGELICAL LUTHERAN CHURCH OF OAKVILLE | SAINT LOUIS, MO | Midwest BankCentre |
| $1–2 million | FAITH GROUP, LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | FALK HARRISON INC | SAINT LOUIS, MO | Cass Commercial Bank |
| $350,000–1 million | FAMILY AND WORKFORCE CENTERS OF AMERICA | SAINT LOUIS, MO | Busey Bank |
| $2–5 million | FAMILY CARE HEALTH CENTERS | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FAMILY UNITED HOME HEALTH CARE, LLC | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | FARHAD MOSHIRI, MAZYAR MOSHIRI & SHUKA MOSHIRI, DMD, MS, PC. | SAINT LOUIS, MO | Central Bank of St. Louis |
| $150,000–350,000 | FAROTTOS PIZZERIA INC | SAINT LOUIS, MO | Midland States Bank |
| $150,000–350,000 | FAST TRACK MEDICAL LLC | SAINT LOUIS, MO | Scott CU |
| $350,000–1 million | FATHERS' SUPPORT CENTER, ST. LOUIS INC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $150,000–350,000 | FAVAZZA'S INC. | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | FCS CONSTRUCTION SYSTEMS, LLC | SAINT LOUIS, MO | Newtek Small Business Finance, Inc. |
| $2–5 million | FEDERAL INTERNATIONAL RECYCLING AND WASTE SOLUTIONS LLC | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FEDERHOFERS BAKERY INC. | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | FEED MY PEOPLE | SAINT LOUIS, MO | Midwest BankCentre |
| $2–5 million | FENIX CONSTRUCTION COMPANY OF ST LOUIS | SAINT LOUIS, MO | Central Bank of St. Louis |
| $150,000–350,000 | FERGUSON ROOFING CO. INC. | SAINT LOUIS, MO | Montgomery Bank |
| $2–5 million | FF&G LC | SAINT LOUIS, MO | Cass Commercial Bank |
| $150,000–350,000 | FGB GROUP, LLC | SAINT LOUIS, MO | American Bank of Missouri |
| $150,000–350,000 | FIMBRION THERAPEUTICS INC | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FINANCIAL & TAX ARCHITECTS, INC. | SAINT LOUIS, MO | Bank of America, National Association |
| $1–2 million | FINANCIAL NETWORK, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | FINANCIAL PROCESSING SERVICES, LLC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | FINLOCKER, LLC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $350,000–1 million | FIRE SOLUTIONS, INC. | SAINT LOUIS, MO | Busey Bank |
| $350,000–1 million | FIRE TECH LLC | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | FIRST INTEGRITY MORTGAGE SERVICES, INC. | SAINT LOUIS, MO | 1st Advantage Bank |
| $350,000–1 million | FIS FORSHAW OF ST LOUIS | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FISHCO ENTERPRISES, INC. | SAINT LOUIS, MO | Busey Bank |
| $150,000–350,000 | FKV ENTERPRISES INC | SAINT LOUIS, MO | Royal Banks of Missouri |
| $150,000–350,000 | FLANCE MANAGEMENT, INC. | SAINT LOUIS, MO | First Bank of the Lake |
| $150,000–350,000 | FLATROCK GRILLE, LLC | SAINT LOUIS, MO | American Bank of Missouri |
| $5–10 million | FLOORING SYSTEMS INC | SAINT LOUIS, MO | Carrollton Bank |
| $150,000–350,000 | FLORES & LEON INC. | SAINT LOUIS, MO | U.S. Bank, National Association |
| $350,000–1 million | FLORIDA PRITIKIN CENTER, LLC | SAINT LOUIS, MO | Central Bank of St. Louis |
| $150,000–350,000 | FLUID AIR PRODUCTS INC | SAINT LOUIS, MO | Midwest BankCentre |
| $350,000–1 million | FOCUS ON RESIDENTIAL SERVICES | SAINT LOUIS, MO | Great Southern Bank |
| $150,000–350,000 | FOCUS ST. LOUIS | SAINT LOUIS, MO | Midwest BankCentre |
| $150,000–350,000 | FOCUSED DEVELOPMENT GROUP | SAINT LOUIS, MO | U.S. Bank, National Association |
| $150,000–350,000 | FONTANA CONTRACTING, INC. | SAINT LOUIS, MO | Central Bank of St. Louis |
| $1–2 million | FOOD SERVICE CONSULTANTS, INC. | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $350,000–1 million | FOODSERVICE CENTER, INC. | SAINT LOUIS, MO | Midwest Regional Bank |
| $150,000–350,000 | FOODWORKS INC | SAINT LOUIS, MO | Bank of America, National Association |
| $150,000–350,000 | FOOT & ANKLE CENTER LLC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | FOOT HEALERS HOLDINGS ST. LOUIS LLC | SAINT LOUIS, MO | Great Southern Bank |
| $350,000–1 million | FORD HOTEL SUPPLY COMPANY, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FORD TOOL STEELS, INC. | SAINT LOUIS, MO | Bank of O'Fallon |
| $350,000–1 million | FORD-SERVCO, LLC | SAINT LOUIS, MO | Commerce Bank |
| $350,000–1 million | FOREST PARK FOREVER, INC. | SAINT LOUIS, MO | Commerce Bank |
| $150,000–350,000 | FOREST PARK PEDIATRICS, LLC | SAINT LOUIS, MO | Midwest Regional Bank |
| $1–2 million | FORKLIFTS OF ST. LOUIS, INC. | SAINT LOUIS, MO | First Bank |
| $150,000–350,000 | FORMPAK, INC. | SAINT LOUIS, MO | Alliance CU |
| $350,000–1 million | FORMS DISTRIBUTION CORP | SAINT LOUIS, MO | Enterprise Bank & Trust |
| $150,000–350,000 | FORSYTH ADVISORS, LLC | SAINT LOUIS, MO | Busey Bank |
| $1–2 million | FORSYTH SCHOOL INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $350,000–1 million | FOSTER CARE COALITION OF GREATER ST. LOUIS | SAINT LOUIS, MO | Carrollton Bank |
| $350,000–1 million | FOUNDRY PRODUCTS INC | SAINT LOUIS, MO | PNC Bank, National Association |
| $150,000–350,000 | FOUR LEAF CLOVER INVESTMENTS, LLC | SAINT LOUIS, MO | FortuneBank |
| $150,000–350,000 | FOUR SPARKS LLC | SAINT LOUIS, MO | Cross River Bank |
| $150,000–350,000 | FOX | SAINT LOUIS, MO | UMB Bank, National Association |
| $150,000–350,000 | FOX RIVER DAIRY CORPORATION | SAINT LOUIS, MO | Carrollton Bank |