| $350,000–1 million | KAPILAMUKAMAL, LLP | FORT LAUDERDALE, FL | Signature Bank |
| $350,000–1 million | KAPLAN HECKER & FINK LLP | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KAPLOW COMMUNICATIONS INC. | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KAPNAG HEATING & PLUMBING CORP. | NEW YORK, NY | Signature Bank |
| $1–2 million | KARP AUTOMOTIVE, INC. | ROCKVILLE CENTRE, NY | Signature Bank |
| $350,000–1 million | KAS LIGHTING INC | ASTORIA, NY | Signature Bank |
| $350,000–1 million | KASSIN SABBAGH REALTY LLC | NEW YORK, NY | Signature Bank |
| $1–2 million | KAUFF MCGUIRE & MARGOLIS LLP | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KAUFMAN ASTORIA STUDIO INC | ASTORIA, NY | Signature Bank |
| $150,000–350,000 | KAUFMANN GILDIN & ROBBINS LLP | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KAVENY + KROLL LLC | CHICAGO, IL | Signature Bank |
| $350,000–1 million | KBG COMMERCIAL, INC. | BAY SHORE, NY | Signature Bank |
| $350,000–1 million | KCP METAL FABRICATIONS, INC. | CHICAGO, IL | Signature Bank |
| $150,000–350,000 | KEC PROPERTIES, LLC | EAST ORANGE, NJ | Signature Bank |
| $350,000–1 million | KEEN DECISION SYSTEMS, INC. | DURHAM, NC | Signature Bank |
| $1–2 million | KEENWAWA, INC | SAN FRANCISCO, CA | Signature Bank |
| $150,000–350,000 | KEITH H HASDAY DDS PC | ROCKVILLE CENTRE, NY | Signature Bank |
| $150,000–350,000 | KELLY CONSTRUCTION & DESIGN, LLC | CHICAGO, IL | Signature Bank |
| $1–2 million | KELLY GRACE CORP | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KENT SEATECH LLC | VERNON HILLS, IL | Signature Bank |
| $350,000–1 million | KEW GARDENS SEP INC | FLUSHING, NY | Signature Bank |
| $150,000–350,000 | KF TEA FRANCHISING LLC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KID CLAN SERVICES, INC | CLIFTON, NJ | Signature Bank |
| $350,000–1 million | KIGAR LLC | CARLSBAD, CA | Signature Bank |
| $150,000–350,000 | KIMSO APTS LLC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KING LUKE INC. | BROOKLYN, NY | Signature Bank |
| $2–5 million | KINGSWAY AMERICA INC. | ITASCA, IL | Signature Bank |
| $350,000–1 million | KIRSCHENBAUM & KIRSCHENBAUM PC | GARDEN CITY, NY | Signature Bank |
| $350,000–1 million | KIRSCHENBAUM & PHILLIPS PC | FARMINGDALE, NY | Signature Bank |
| $150,000–350,000 | KIRSHENBAUM & URBAN, LLP | WHITE PLAINS, NY | Signature Bank |
| $1–2 million | KISKA CONSTRUCTION INC. | LONG ISLAND CITY, NY | Signature Bank |
| $1–2 million | KLD ASSOCIATES, INC | SMITHTOWN, NY | Signature Bank |
| $350,000–1 million | KLD ENGINEERING, PC. | ISLANDIA, NY | Signature Bank |
| $2–5 million | KLEET LUMBER CO INC | HUNTINGTON, NY | Signature Bank |
| $150,000–350,000 | KLEIN LIEBMAN & GRESEN, LLC | SYOSSET, NY | Signature Bank |
| $2–5 million | KLEINBERG ELECTRIC INC | BROOKLYN, NY | Signature Bank |
| $2–5 million | KLEINFELD BRIDAL CORP. | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KLESTADT WINTERS JURELLER SOUTHARD AND | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KLOVES INC. | SAN JOSE, CA | Signature Bank |
| $1–2 million | KOEPPEL NISSAN, INC. | JACKSON HEIGHTS, NY | Signature Bank |
| $350,000–1 million | KOEPPEL VOLKSWAGEN, INC. | WOODSIDE, NY | Signature Bank |
| $350,000–1 million | KOHN PLUMBING, LLC | GURNEE, IL | Signature Bank |
| $150,000–350,000 | KOIL INC | LONG ISLAND CITY, NY | Signature Bank |
| $350,000–1 million | KORPACK, INC. | BLOOMINGDALE, IL | Signature Bank |
| $350,000–1 million | KOSHER FOOD LLC | LAKEWOOD, NJ | Signature Bank |
| $2–5 million | KOVARUS, INC. | SAN RAMON, CA | Signature Bank |
| $150,000–350,000 | KP SANGHVI INC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | KRAINZ CREATIONS INC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KRAMER, DILLOF, LIVINGSTON & MOORE | NEW YORK, NY | Signature Bank |
| $1–2 million | KS PARTNERS LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | KWM CPAS LLP | JERICHO, NY | Signature Bank |
| $5–10 million | L & L PAINTING CO INC | HICKSVILLE, NY | Signature Bank |
| $1–2 million | L'ABBATE, BALKAN, COLAVITA & CONTINI, LL | GARDEN CITY, NY | Signature Bank |
| $150,000–350,000 | L. A. CHEMICALS, LTD. | BROADVIEW, IL | Signature Bank |
| $150,000–350,000 | LA BELLA VITA DESSERTS CORPORATION | BAY SHORE, NY | Signature Bank |
| $1–2 million | LA PECORA BIANCA HOLDINGS LLC | NEW YORK, NY | Signature Bank |
| $1–2 million | LACHMAN CONSULTANT SERVICES, INC. | WESTBURY, NY | Signature Bank |
| $1–2 million | LACROSSE UNLIMITED INC | HAUPPAUGE, NY | Signature Bank |
| $150,000–350,000 | LAGE INDUSTRIES CORP | MERRICK, NY | Signature Bank |
| $150,000–350,000 | LAGUARDIA RETAIL MANAGEMENT CORP | ASTORIA, NY | Signature Bank |
| $1–2 million | LAIDLAW HOLDINGS, LTD | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LAKEFRONT HOSPITALITY GROUP | CHICAGO, IL | Signature Bank |
| $350,000–1 million | LAKEHAVEN EQUITIES INC | LAKE RONKONKOMA, NY | Signature Bank |
| $150,000–350,000 | LAKEWOOD BUILDING SUPPLY LLC | LAKEWOOD, NJ | Signature Bank |
| $5–10 million | LANCER INSURANCE COMPANY | LONG BEACH, NY | Signature Bank |
| $1–2 million | LANCER MANAGEMENT COMPANY | LONG BEACH, NY | Signature Bank |
| $1–2 million | LANE OFFICE FURNITURE INC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LANGSAM PROPERTY SERVICES CORP. | BRONX, NY | Signature Bank |
| $150,000–350,000 | LAPORTE FORD, INC. | LA PORTE, IN | Signature Bank |
| $350,000–1 million | LAREDO HOSPITALITY MANAGEMENT, LLC | DES PLAINES, IL | Signature Bank |
| $150,000–350,000 | LARGO MANAGEMENT LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LARSENBROWN INC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | LASTRADA GENERAL CONTRACTING CORP | GLEN HEAD, NY | Signature Bank |
| $350,000–1 million | LAUNCH INCENTIVES, INC | SAN FRANCISCO, CA | Signature Bank |
| $350,000–1 million | LAURELLWOOD FACILITY INC | SUFFERN, NY | Signature Bank |
| $150,000–350,000 | LAW OFFICE OF JASON TENENBAUM, P.C. | GARDEN CITY, NY | Signature Bank |
| $350,000–1 million | LAW OFFICES OF GABRIEL & SHAPIRO, LLC | ROCKVILLE CENTRE, NY | Signature Bank |
| $150,000–350,000 | LAW OFFICES OF JOSEPH M. LICHTENSTEIN PC | MINEOLA, NY | Signature Bank |
| $350,000–1 million | LAW OFFICES OF KATZ AND MATZ, PC. | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | LAW OFFICES OF STEVEN RUBEL, P.C. | BELLMORE, NY | Signature Bank |
| $350,000–1 million | LAZARE POTTER GIACOVAS & MOYLE LLP | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LB BUCKHEAD LLC | ATLANTA, GA | Signature Bank |
| $350,000–1 million | LB CHERRY CREEK LLC | DENVER, CO | Signature Bank |
| $350,000–1 million | LCJ ELECTRICAL CONTRACTORS, INC | BROOKLYN, NY | Signature Bank |
| $350,000–1 million | LCM COMMODITIES, LLC | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LE COLONIAL TEXAS, LLC | HOUSTON, TX | Signature Bank |
| $350,000–1 million | LEADING EDGE ADMINISTRATORS LLC | BROOKLYN, NY | Signature Bank |
| $150,000–350,000 | LEAPFIRSTLOOKLAST, INC. | LAKE BLUFF, IL | Signature Bank |
| $150,000–350,000 | LEASE & LABAU, INC. | NEW YORK, NY | Signature Bank |
| $350,000–1 million | LEAV & STEINBERG LLP | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | LEDGER HOLDINGS INC. | NEW YORK, NY | Signature Bank |
| $2–5 million | LEGAL AID SOCIETY OF SUFFOLK COUNTY, INC | CENTRAL ISLIP, NY | Signature Bank |
| $1–2 million | LEGAT ARCHITECTS, INC. | GURNEE, IL | Signature Bank |
| $150,000–350,000 | LEHMAN & EILEN LLP | UNIONDALE, NY | Signature Bank |
| $150,000–350,000 | LEITER REALTY GROUP, LLC | BROOKLYN, NY | Signature Bank |
| $150,000–350,000 | LEO BAECK INSTITUTE INC | NEW YORK, NY | Signature Bank |
| $150,000–350,000 | LEO INTERNATIONAL INC | BROOKLYN, NY | Signature Bank |
| $1–2 million | LEO J. SHAPIRO AND ASSOCIATES LLC | CHICAGO, IL | Signature Bank |
| $350,000–1 million | LEON KOROL COMPANY | ELK GROVE VILLAGE, IL | Signature Bank |
| $150,000–350,000 | LEON KUCHEROVSKY, ESQ | VALLEY STREAM, NY | Signature Bank |