| $1–2 million | ROTHWELL FIGG ERNST & MANBECK PC | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | ROUBIN & JANEIRO OF VIRGINIA INC | WASHINGTON, DC | United Bank |
| $150,000–350,000 | ROY BOYS 2 LLC | WASHINGTON, DC | Old Dominion National Bank |
| $150,000–350,000 | ROY BOYS LLC | WASHINGTON, DC | Old Dominion National Bank |
| $150,000–350,000 | RPM RESTAURANT LLC | WASHINGTON, DC | Wells Fargo Bank, National Association |
| $150,000–350,000 | RR4, LLC | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | RTP LLC | WASHINGTON, DC | Northwest FCU |
| $150,000–350,000 | RUSA MANAGEMENT LLC | WASHINGTON, DC | TD Bank, National Association |
| $150,000–350,000 | RUSSELL W PHILLIPS DMD & RONALD L COOPER DDS PC | WASHINGTON, DC | EagleBank |
| $150,000–350,000 | RUST INSURANCE AGENCY, LLC | WASHINGTON, DC | United Bank |
| $150,000–350,000 | RUYAK CHERIAN LLP | WASHINGTON, DC | City National Bank |
| $2–5 million | RWD CONSULTING, LLC | WASHINGTON, DC | Atlantic Union Bank |
| $150,000–350,000 | RWR ADVISORY GROUP LLC | WASHINGTON, DC | PNC Bank, National Association |
| $350,000–1 million | S.C. HERMAN & ASSOCIATES, INC. | WASHINGTON, DC | Legacy Bank |
| $150,000–350,000 | SAE PRODUCTIONS, INC. | WASHINGTON, DC | University Bank |
| $150,000–350,000 | SAGART STUDIO INC. | WASHINGTON, DC | Peoples Bank |
| $150,000–350,000 | SAGE MEDIA PLANNING & PLACEMENT, INC | WASHINGTON, DC | Old Dominion National Bank |
| $2–5 million | SAINT COLETTA OF GREATER WASHINGTON, INC. | WASHINGTON, DC | The National Capital Bank of Washington |
| $150,000–350,000 | SAINT SOPHIA GREEK ORTHODOX CATHEDRAL | WASHINGTON, DC | EagleBank |
| $1–2 million | SALMON GROUP INC | WASHINGTON, DC | PNC Bank, National Association |
| $150,000–350,000 | SALON GROUP LLC | WASHINGTON, DC | EagleBank |
| $150,000–350,000 | SALTZMAN & EVINCH PLLC | WASHINGTON, DC | PNC Bank, National Association |
| $150,000–350,000 | SAM MEDICAL CENTER OF AMERICA PLLC | WASHINGTON, DC | Bank of America, National Association |
| $350,000–1 million | SAMANTHA SIRANLI, PHD, PLLC | WASHINGTON, DC | Capital Bank, National Association |
| $350,000–1 million | SAMARITAN INNS, INC | WASHINGTON, DC | United Bank |
| $150,000–350,000 | SAN MIGUEL SCHOOL | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | SANAMETRIX, INC. | WASHINGTON, DC | Sandy Spring Bank |
| $150,000–350,000 | SANDLER REIFF LAMB ROSENSTEIN & BIRKENST | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | SANNAA DENTAL ASSOCIATES, PLLC | WASHINGTON, DC | TD Bank, National Association |
| $150,000–350,000 | SANNAM S4 INC. | WASHINGTON, DC | Citibank, N.A. |
| $1–2 million | SASHA BRUCE YOUTHWORK INC | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | SAUNDRA ELIZABETH DOBBS BISHOP | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | SAYARI LABS, INC. | WASHINGTON, DC | Signature Bank |
| $150,000–350,000 | SCHAEFER-FRIEDMAN, LLC | WASHINGTON, DC | City National Bank |
| $350,000–1 million | SCHERTLER & ONORATO LLP | WASHINGTON, DC | United Bank |
| $150,000–350,000 | SCHNEIDER'S LIQUOR STORE COMPANY INC | WASHINGTON, DC | Trustar Bank |
| $150,000–350,000 | SCHOOL FOR ETHICS AND GLOBAL LEADERSHIP, | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | SCHOOL FOR FRIENDS | WASHINGTON, DC | PNC Bank, National Association |
| $150,000–350,000 | SCHOOL-BASED HEALTH ALLIANCE | WASHINGTON, DC | Wells Fargo Bank, National Association |
| $150,000–350,000 | SCHOOLKIT | WASHINGTON, DC | Citibank, N.A. |
| $1–2 million | SEABURY RESOURCES FOR AGING | WASHINGTON, DC | United Bank |
| $350,000–1 million | SEARCH FOR COMMON GROUND | WASHINGTON, DC | Bank of America, National Association |
| $350,000–1 million | SEATON MOTOR COMPANY LLC | WASHINGTON, DC | The National Capital Bank of Washington |
| $150,000–350,000 | SECOND HOME LLC | WASHINGTON, DC | TD Bank, National Association |
| $350,000–1 million | SECURING AMERICA'S FUTURE ENERGY FOUNDAT | WASHINGTON, DC | Bank of America, National Association |
| $1–2 million | SECURIPORT LIMITED LIABILITY COMPANY | WASHINGTON, DC | United Bank |
| $350,000–1 million | SECURITIES LITIGATION ANALYSTS LLC | WASHINGTON, DC | PNC Bank, National Association |
| $350,000–1 million | SEE FOREVER FOUNDATION | WASHINGTON, DC | Truist Bank |
| $1–2 million | SEED PUBLIC CHARTER SCHOOL OF WASHINGTON DC | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | SELF STORAGE PLUS MANAGEMENT, LLC | WASHINGTON, DC | United Bank |
| $1–2 million | SENSORY INTERACTIVE INC | WASHINGTON, DC | Fulton Bank, National Association |
| $1–2 million | SERENITY REHABILITATION AND HEALTH | WASHINGTON, DC | Signature Bank |
| $350,000–1 million | SERVICE YEAR EXCHANGE, INC. | WASHINGTON, DC | Bank of America, National Association |
| $350,000–1 million | SETTE-WYNWOOD, LLC | WASHINGTON, DC | EagleBank |
| $150,000–350,000 | SETTLEMENT CORP. | WASHINGTON, DC | Capital Bank, National Association |
| $350,000–1 million | SETTY & ASSOCIATES INTERNATIONAL, PLLC | WASHINGTON, DC | FVCbank |
| $150,000–350,000 | SEXUAL MINORITY YOUTH ASSISTANCE LEAGUE | WASHINGTON, DC | Truist Bank |
| $150,000–350,000 | SGB MANAGEMENT INC. | WASHINGTON, DC | Heartland Bank |
| $150,000–350,000 | SHABBY LLC | WASHINGTON, DC | Forbright Bank |
| $350,000–1 million | SHAPIRO, LIFSCHITZ AND SCHRAM, P.C. | WASHINGTON, DC | First-Citizens Bank & Trust Company |
| $1–2 million | SHERIDAN SCHOOL, INC. | WASHINGTON, DC | Citibank, N.A. |
| $150,000–350,000 | SHERMAN DUNN, P.C. | WASHINGTON, DC | Manufacturers and Traders Trust Company |
| $350,000–1 million | SHERMAN MEEHAN CURTIN & AIN PC | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | SHILLINGS' CANNERY L.L.C. | WASHINGTON, DC | Sandy Spring Bank |
| $150,000–350,000 | SHINE CREATIVE LLC | WASHINGTON, DC | United Bank |
| $350,000–1 million | SHOREDITCH COOPERATIVE LLC | WASHINGTON, DC | TD Bank, National Association |
| $1–2 million | SHRINE OF THE MOST BLESSED SACRAMENT | WASHINGTON, DC | United Bank |
| $150,000–350,000 | SIDEM | WASHINGTON, DC | Truist Bank |
| $150,000–350,000 | SIDNEY S. MARKOWITZ DDSPC | WASHINGTON, DC | Sandy Spring Bank |
| $150,000–350,000 | SIENA LLC | WASHINGTON, DC | United Bank |
| $350,000–1 million | SILVER, FREEDMAN, TAFF & TIERNAN LLP | WASHINGTON, DC | First Bank Richmond |
| $150,000–350,000 | SIMEONE AND MILLER, LLP | WASHINGTON, DC | Citibank, N.A. |
| $150,000–350,000 | SISLEN EISNER KAUFMAN RAMEY KAVALIER HORN AND CHANG PLLC | WASHINGTON, DC | The National Capital Bank of Washington |
| $150,000–350,000 | SITAR ARTS CENTER | WASHINGTON, DC | United Bank |
| $150,000–350,000 | SIXTH & I SYNAGOGUE, INC. | WASHINGTON, DC | Capital Bank, National Association |
| $350,000–1 million | SJG PROPERTIES, LLC | WASHINGTON, DC | Sandy Spring Bank |
| $350,000–1 million | SK&A STRUCTURAL ENGINEERING PLLC | WASHINGTON, DC | Bank of Charles Town |
| $150,000–350,000 | SKILLS ON THE HILL, LLC | WASHINGTON, DC | MainStreet Bank |
| $350,000–1 million | SLEVIN & HART, P.C. | WASHINGTON, DC | Truist Bank |
| $150,000–350,000 | SLOVER & LOFTUS LLP | WASHINGTON, DC | United Bank |
| $350,000–1 million | SMALL ENTERPRISE ASSISTANCE FUNDS | WASHINGTON, DC | Trustar Bank |
| $350,000–1 million | SMART ELECTRIC POWER ALLIANCE | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | SMART GROWTH AMERICA | WASHINGTON, DC | MainStreet Bank |
| $150,000–350,000 | SMITHSONIAN EARLY ENRICHMENT CENTER | WASHINGTON, DC | Truist Bank |
| $350,000–1 million | SMOOT CONSTRUCTION COMPANY OF WASHINGTON, DC | WASHINGTON, DC | CIBC Bank USA |
| $150,000–350,000 | SOCIAL RESTAURANT GROUP LLC | WASHINGTON, DC | PNC Bank, National Association |
| $350,000–1 million | SOCIALLY DETERMINED INC | WASHINGTON, DC | Truist Bank |
| $150,000–350,000 | SOCIETY FOR CONSERVATION BIOLOGY | WASHINGTON, DC | United Bank |
| $150,000–350,000 | SOCIETY FOR SIMULATION IN HEALTHCARE | WASHINGTON, DC | Wells Fargo Bank, National Association |
| $150,000–350,000 | SOCIETY FOR WOMEN'S HEALTH RESEARCH | WASHINGTON, DC | EagleBank |
| $350,000–1 million | SOFTWARE PUBLISHERS ASSOCIATION | WASHINGTON, DC | Itria Ventures LLC |
| $150,000–350,000 | SOHO GROUP INC | WASHINGTON, DC | Peoples Bank |
| $350,000–1 million | SOJOURNERS, INC. | WASHINGTON, DC | The National Capital Bank of Washington |
| $350,000–1 million | SOLAR SOLUTION DC LCC | WASHINGTON, DC | First National Bank of Pennsylvania |
| $350,000–1 million | SOLAR UNITED NEIGHBORS | WASHINGTON, DC | PNC Bank, National Association |
| $1–2 million | SOLIDCORE HOLDINGS, LLC | WASHINGTON, DC | KeyBank National Association |
| $2–5 million | SOME INC | WASHINGTON, DC | The National Capital Bank of Washington |
| $150,000–350,000 | SOMERSET DEVELOPMENT COMPANY, LLC | WASHINGTON, DC | Peoples Bank |
| $150,000–350,000 | SONIA RAHANGDALE TALLEY PLLC | WASHINGTON, DC | Bank of America, National Association |
| $150,000–350,000 | SONNENBERG & MAIER, LLC | WASHINGTON, DC | Northeast Bank |