| $350,000–1 million | M D CARLISLE CONSTRUCTION CORP | New York, NY | Signature Bank |
| $350,000–1 million | M D. CARLISLE CONSTRUCTION CORP. | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | M THREE INC | new york, NY | Signature Bank |
| $150,000–350,000 | M&R TOMATO DISTRIBUTORS, INC. | Bronx, NY | Signature Bank |
| $150,000–350,000 | M&S ACCESSORY NETWORK CORP | NEW YORK, NY | Signature Bank |
| $350,000–1 million | M. E. A., INC. | ELK GROVE VILLAGE, IL | Signature Bank |
| $150,000–350,000 | M. E. B. ALLIANCE FOR EDUCATOR DIVERSITY | AUSTIN, TX | Signature Bank |
| $350,000–1 million | M. EARLY PLUMBING & HEATING CORP. | STATEN ISLAND, NY | Signature Bank |
| $350,000–1 million | M. MELNICK & CO. INC. | BRONX, NY | Signature Bank |
| $350,000–1 million | M. MELNICK & CO. INC. | Bronx, NY | Signature Bank |
| $150,000–350,000 | M.E.H. INVESTMENTS, INC. | Phoenix, AZ | Signature Bank |
| $350,000–1 million | M25 MANAGEMENT,LLC | Charlottesville, VA | Signature Bank |
| $350,000–1 million | M48 CATERING CORP. | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MACC HOSPITALITY LLC | New York, NY | Signature Bank |
| $150,000–350,000 | MACC HOSPITALITY LLC | New York City, NY | Signature Bank |
| $150,000–350,000 | MACHNEH RAV TOV | Brooklyn, NY | Signature Bank |
| $1–2 million | MACKLOWE INVESTMENT PROPERTIES LLC | New York, NY | Signature Bank |
| $1–2 million | MACKLOWE INVESTMENT PROPERTIES, LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MACKLOWE MANAGEMENT CO., INC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MADCAP PARTNERS LLC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MADE ARCHITECTURE PLLC | BROOKLYN, NY | Signature Bank |
| $150,000–350,000 | MADE ARCHITECTURE PLLC | Brooklyn, NY | Signature Bank |
| $150,000–350,000 | MADE LLC | Brooklyn, NY | Signature Bank |
| $150,000–350,000 | MADE LLC | BROOKLYN, NY | Signature Bank |
| $150,000–350,000 | MADISON DENTAL ARTS, P.C. | NEW YORK, NY | Signature Bank |
| $1–2 million | MADISON FACILITY INC | NEW PORT RICHEY, FL | Signature Bank |
| $350,000–1 million | MADISONVILLE HEALTH AND REHABILITATION LLC | Madisonville, TN | Signature Bank |
| $150,000–350,000 | MADO LLC | CHICAGO, IL | Signature Bank |
| $350,000–1 million | MADO MANAGEMENT LP | CHICAGO, IL | Signature Bank |
| $150,000–350,000 | MADRE HOSPITALITY INC | Brooklyn, NY | Signature Bank |
| $150,000–350,000 | MAGMA GLOBAL LLC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MAGMA GLOBAL LLC | New York, NY | Signature Bank |
| $1–2 million | MAGNOLIA OF MILLBRAE, INC. | MILLBRAE, CA | Signature Bank |
| $350,000–1 million | MAGNUM REAL ESTATE GROUP LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MAGNUM REAL ESTATE GROUP LLC | New York, NY | Signature Bank |
| $150,000–350,000 | MAGNUM TRANSPORTATION INC. | Chicago, IL | Signature Bank |
| $150,000–350,000 | MAGNUM TRANSPORTATION, INC. | CHICAGO, IL | Signature Bank |
| $350,000–1 million | MAGNUSSON ARCHITECTURE & PLANNING PC. | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MAINSPRING CONSULTING GROUP LLC | CHICAGO, IL | Signature Bank |
| $350,000–1 million | MAINSPRING CONSULTING GROUP LLC | Chicago, IL | Signature Bank |
| $150,000–350,000 | MAKE-A-WISH | Tarrytown, NY | Signature Bank |
| $150,000–350,000 | MAKE-A-WISH FOUNDATION | TARRYTOWN, NY | Signature Bank |
| $1–2 million | MALCA AMIT USA LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MALCA-AMIT SECURITY SERVICES, INC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MANAGEMENT CORPORATION OF WYOMING | EVANSTON, WY | Signature Bank |
| $1–2 million | MANCO ENTERPRISES OF NY INC | MASPETH, NY | Signature Bank |
| $150,000–350,000 | MANETTA ENTERPRISES, INC. | MASPETH, NY | Signature Bank |
| $150,000–350,000 | MANFREDI OF GREENWICH, LTD. | GREENWICH, CT | Signature Bank |
| $350,000–1 million | MANGIA 23RD STREET, LLC | NEW YORK, NY | Signature Bank |
| $1–2 million | MANGIA 57 INC. | New York, NY | Signature Bank |
| $350,000–1 million | MANGIA 57, INC. | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MANHATTAN HIGH-RISE LAND SURVEYING & ENGINEERING P.C. | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MANHATTAN MIDTOWN DENTAL PC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MANHATTAN MIDTOWN DENTAL PC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MANHATTAN PODIATRY CARE PLLC | New York, NY | Signature Bank |
| $150,000–350,000 | MANHATTAN PODIATRY CARE PLLC | NEW YORK, NY | Signature Bank |
| $2–5 million | MANHATTAN THEATRE CLUB INC. | New York, NY | Signature Bank |
| $150,000–350,000 | MANTEL MCDONOUGH RISO LLP | New York, NY | Signature Bank |
| $150,000–350,000 | MANTEL MCDONOUGH RISO, LLP | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | MAPLIGHT | Berkeley, CA | Signature Bank |
| $350,000–1 million | MAR-SAL PLUMBING & HEATING INC. | Ozone Park, NY | Signature Bank |
| $350,000–1 million | MAR-SAL PLUMBING & HEATING, INC. | OZONE PARK, NY | Signature Bank |
| $350,000–1 million | MARCEL 201 LLC | New York, NY | Signature Bank |
| $350,000–1 million | MARCEL 201 LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MARGAL HOLDINGS INC | Garden City, NY | Signature Bank |
| $350,000–1 million | MARGAL HOLDINGS INC | GARDEN CITY, NY | Signature Bank |
| $350,000–1 million | MARGARET MANOR INC. | CHICAGO, IL | Signature Bank |
| $350,000–1 million | MARIC MECHANICAL INC. | Astoria, NY | Signature Bank |
| $350,000–1 million | MARIN MANAGEMENT CORP | NEW YORK, NY | Signature Bank |
| $1–2 million | MARK IV TRANSPORTATION & LOGISTICS INC. | Elizabeth, NJ | Signature Bank |
| $1–2 million | MARK IV TRANSPORTATION & LOGISTICS, INC. | KEARNY, NJ | Signature Bank |
| $350,000–1 million | MARKET HALSEY URBAN RENEWAL LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MARKET MEATS INC. | BRONX, NY | Signature Bank |
| $350,000–1 million | MARKETING INNOVATORS INTERNATIONAL, INC. | Rosemont, IL | Signature Bank |
| $350,000–1 million | MARKETING INNOVATORS INTERNATIONAL, INC. | ROSEMONT, IL | Signature Bank |
| $350,000–1 million | MARLOW INC | Brooklyn, NY | Signature Bank |
| $350,000–1 million | MARLOW INC | BROOKLYN, NY | Signature Bank |
| $1–2 million | MARMARA HOSPITALITY INC. | New York, NY | Signature Bank |
| $1–2 million | MARMARA HOSPITALITY INC. | New York, NY | Signature Bank |
| $2–5 million | MARMOL RADZINER, AN ARCHITECTURAL | LOS ANGELES, CA | Signature Bank |
| $350,000–1 million | MARTIN FRIEDMAN CPA PC | BROOKLYN, NY | Signature Bank |
| $150,000–350,000 | MARTO CAPITAL LP | NEW YORK, NY | Signature Bank |
| $350,000–1 million | MARYVILLE FAIRPARK OPCO LLC | Englewood Cliffs, NJ | Signature Bank |
| $350,000–1 million | MARYVILLE JAMESTOWN OPCO LLC | Maryville, TN | Signature Bank |
| $350,000–1 million | MASH INDUSTRIES | Buena Park, CA | Signature Bank |
| $350,000–1 million | MASH STUDIOS, INC. | Los Angeles, CA | Signature Bank |
| $150,000–350,000 | MASTER APTS. INC | New York, NY | Signature Bank |
| $150,000–350,000 | MASTER CARGO INC | Valley Stream, NY | Signature Bank |
| $150,000–350,000 | MASTER CARGO INC | VALLEY STREAM, NY | Signature Bank |
| $150,000–350,000 | MASTER LIFTING & RIGGING LLC | New York, NY | Signature Bank |
| $150,000–350,000 | MASTER MEAT PURVEYORS, INC. | Bronx, NY | Signature Bank |
| $350,000–1 million | MATE MATURA & SONS INC | Amityville, NY | Signature Bank |
| $350,000–1 million | MATE MATURA & SONS INC | AMITYVILLE, NY | Signature Bank |
| $150,000–350,000 | MATRIX, IV, INC | WOODSTOCK, IL | Signature Bank |
| $1–2 million | MATROS AUTOMATED ELECTRICAL CONSTRUCTION | Long Island City, NY | Signature Bank |
| $1–2 million | MATROS AUTOMATED ELECTRICAL CONSTRUCTION | LONG ISLAND CITY, NY | Signature Bank |
| $350,000–1 million | MATT-CON SERVICES CORP. | BELLPORT, NY | Signature Bank |
| $350,000–1 million | MATURA INSULATION INC | Amityville, NY | Signature Bank |
| $350,000–1 million | MATURA INSULATION INC | AMITYVILLE, NY | Signature Bank |
| $350,000–1 million | MAUTNER-GLICK CORP. | NEW YORK, NY | Signature Bank |