| $150,000–350,000 | KENNEDY & VIOLICH ARCHITECTURE LTD. | ROXBURY, MA | Eastern Bank |
| $350,000–1 million | KENNEDY BROS PHYS THERAPY INC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | KENNEY & CONLEY, P.C. | BRAINTREE, MA | Eastern Bank |
| $350,000–1 million | KEOHANE FUNERAL HOME INC | QUINCY, MA | Eastern Bank |
| $150,000–350,000 | KESHET, INC. | JAMAICA PLAIN, MA | Eastern Bank |
| $350,000–1 million | KEY FLORAL, INC. | BEDFORD, NH | Eastern Bank |
| $150,000–350,000 | KINDERBOOK, INC. | PLAINVILLE, MA | Eastern Bank |
| $350,000–1 million | KINDLE BEHAVIOR CONSULTANTS, INC. | BURLINGTON, MA | Eastern Bank |
| $1–2 million | KINGLSEY MONTESSORI SCHOOL | BOSTON, MA | Eastern Bank |
| $350,000–1 million | KINGSBURY CLUB MEDFIELD, INC. | MEDFIELD, MA | Eastern Bank |
| $150,000–350,000 | KITCHEN SALES, INC. | WEST BRIDGEWATER, MA | Eastern Bank |
| $150,000–350,000 | KNC LLC | BRAINTREE, MA | Eastern Bank |
| $350,000–1 million | KNOLLMEYER BUILDING CORPORATION | WILMINGTON, MA | Eastern Bank |
| $150,000–350,000 | KOENIG & BAUER KAMMANN (US), INC. | PORTSMOUTH, NH | Eastern Bank |
| $2–5 million | KOOPMAN LUMBER COMPANY, INC. | WHITINSVILLE, MA | Eastern Bank |
| $350,000–1 million | KORSCH AMERICA INC | SOUTH EASTON, MA | Eastern Bank |
| $150,000–350,000 | KREFTA LANDSCAPING INC | NORTH BILLERICA, MA | Eastern Bank |
| $150,000–350,000 | KRISTINE A. GRAZIOSO, D.M.D., P.C. | COHASSET, MA | Eastern Bank |
| $350,000–1 million | KTC INC & KINGSBURY/SUMMER STREET LLC | KINGSTON, MA | Eastern Bank |
| $150,000–350,000 | KTS INC. | STONEHAM, MA | Eastern Bank |
| $150,000–350,000 | L & M PRESIDENTIAL ENTERPRISES, LLC | QUINCY, MA | Eastern Bank |
| $150,000–350,000 | L.W.R. ENTERPRISES, INC. | WAKEFIELD, MA | Eastern Bank |
| $150,000–350,000 | LA ALIANZA HISPANA, INC. | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LA CUCINA SUL MARE LLC | FALMOUTH, MA | Eastern Bank |
| $150,000–350,000 | LA FIESTA,INC. | BEVERLY, MA | Eastern Bank |
| $150,000–350,000 | LA MANCHESTER PIZZA, INC. | MANCHESTER, NH | Eastern Bank |
| $350,000–1 million | LABOR CONNECTIONS INC. | EAST BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LAKEVILLE DENTAL, PC | LAKEVILLE, MA | Eastern Bank |
| $1–2 million | LAMARCA & SONS BAKING CO. INC. | MALDEN, MA | Eastern Bank |
| $350,000–1 million | LAMONT, HANLEY & ASSOCIATES, INC. | MANCHESTER, NH | Eastern Bank |
| $150,000–350,000 | LANCASTER PACKAGING INC | HUDSON, MA | Eastern Bank |
| $150,000–350,000 | LAROVERE COMPANIES, INC. | EVERETT, MA | Eastern Bank |
| $150,000–350,000 | LAS OLAS, LLC | RYE, NH | Eastern Bank |
| $150,000–350,000 | LASER COMPONENTS USA, INC. | BEDFORD, NH | Eastern Bank |
| $350,000–1 million | LATITUDE BEVERAGE COMPANY | BRIGHTON, MA | Eastern Bank |
| $150,000–350,000 | LAURA J. CERVIZZI, P.C. | NORTH READING, MA | Eastern Bank |
| $150,000–350,000 | LAW OFFICE OF PETER T DAMORE JR PC | BURLINGTON, MA | Eastern Bank |
| $150,000–350,000 | LAW OFFICES OF JEFF GOLDMAN LLP | SALEM, MA | Eastern Bank |
| $150,000–350,000 | LAW OFFICES OF MARTIN B SCHNEIDER, P.C. | SALEM, MA | Eastern Bank |
| $150,000–350,000 | LAWRENCE MICHEL | NEWTONVILLE, MA | Eastern Bank |
| $1–2 million | LAWTON CO INC | TOPSFIELD, MA | Eastern Bank |
| $150,000–350,000 | LAWVISION, INC. | MANCHESTER, MA | Eastern Bank |
| $150,000–350,000 | LD PLASTICS, INC. | BROCKTON, MA | Eastern Bank |
| $150,000–350,000 | LENA PARK COMMUNITY DEVELOPMENT CORPORATION | DORCHESTER CENTER, MA | Eastern Bank |
| $350,000–1 million | LEON PINSONNEAULT BUILDERS, INC. | WEST WAREHAM, MA | Eastern Bank |
| $150,000–350,000 | LEONARD B. MILLER, M.D., P.C. | BROOKLINE, MA | Eastern Bank |
| $150,000–350,000 | LET'S EAT (FRANKLIN), LLC | FRANKLIN, MA | Eastern Bank |
| $150,000–350,000 | LET'S EAT (NORWOOD), LLC | NORWOOD, MA | Eastern Bank |
| $1–2 million | LEVANGIE ELECTRIC CO. INC. | HANOVER, MA | Eastern Bank |
| $350,000–1 million | LEXINGTON MOTORS, INC. | LEXINGTON, MA | Eastern Bank |
| $1–2 million | LIBERTY INTERNATIONAL TRUCKS OF NEW HAMP | MANCHESTER, NH | Eastern Bank |
| $150,000–350,000 | LIBERTY SQUARE GROUP, INC. | BOSTON, MA | Eastern Bank |
| $1–2 million | LIDDELL BROTHERS, INC. | HALIFAX, MA | Eastern Bank |
| $350,000–1 million | LIDDELL LEASING CORPORATION | HALIFAX, MA | Eastern Bank |
| $350,000–1 million | LIFESTYLE TRANSPORTATION, INC. | CHELSEA, MA | Eastern Bank |
| $150,000–350,000 | LIGHTHOUSE PAYMENT SERVICES, INC. | WOBURN, MA | Eastern Bank |
| $150,000–350,000 | LIGHTHOUSE REALTY MANAGEMENT LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LIGHTNING EXPRESS CORPORATION | WOBURN, MA | Eastern Bank |
| $150,000–350,000 | LINCOLN STREET HOTELIERS, LLC | PORTLAND, ME | Eastern Bank |
| $150,000–350,000 | LION LABELS, INC | SOUTH EASTON, MA | Eastern Bank |
| $350,000–1 million | LIQUID P C LLC | PORTSMOUTH, NH | Eastern Bank |
| $150,000–350,000 | LISITANO PRODUCE, INC. | CHELSEA, MA | Eastern Bank |
| $350,000–1 million | LITTLE CHILDREN SCHOOLHOUSE, INC. | BROOKLINE, MA | Eastern Bank |
| $150,000–350,000 | LITTLE HARBOR ADVISORS, LLC | MARBLEHEAD, MA | Eastern Bank |
| $150,000–350,000 | LITTLE VOICES EARLY CARE AND EDUCATION, INC. | HYDE PARK, MA | Eastern Bank |
| $2–5 million | LIVING INNOVATIONS SUPPORT SERVICES, INC | DOVER, NH | Eastern Bank |
| $350,000–1 million | LKM INDUSTRIES INC | WOBURN, MA | Eastern Bank |
| $350,000–1 million | LMHS PC | NORWELL, MA | Eastern Bank |
| $1–2 million | LOCUS ROBOTICS CORP | WILMINGTON, MA | Eastern Bank |
| $150,000–350,000 | LOGAN INSTRUMENTS, INC. | EVERETT, MA | Eastern Bank |
| $150,000–350,000 | LONG POINT MARINE, INC. | DUXBURY, MA | Eastern Bank |
| $150,000–350,000 | LONG POND PHYSICAL THERAPY INC | PLYMOUTH, MA | Eastern Bank |
| $350,000–1 million | LONGFORD & COMPANY, LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LOVIN' SPOONFULS, INC. | ALLSTON, MA | Eastern Bank |
| $5–10 million | LOWELL COMMUNITY HEALTH CENTER | LOWELL, MA | Eastern Bank |
| $350,000–1 million | LUX RENOVATIONS LLC | CANTON, MA | Eastern Bank |
| $350,000–1 million | LYN LAD GROUP LTD. | LYNN, MA | Eastern Bank |
| $150,000–350,000 | LYNNFIELD CALVARY CHRISTIAN CHURCH | LYNNFIELD, MA | Eastern Bank |
| $150,000–350,000 | M & H CONSULTING LLC | NATICK, MA | Eastern Bank |
| $150,000–350,000 | M&B SALEM RESTAURANT LLC | SALEM, MA | Eastern Bank |
| $1–2 million | M&R CONSULTANTS CORPORATION | BILLERICA, MA | Eastern Bank |
| $350,000–1 million | M&S LOGISTICS, LLC | CANDIA, NH | Eastern Bank |
| $150,000–350,000 | M&S REPAIR AND AUTO BODY | DORCHESTER, MA | Eastern Bank |
| $150,000–350,000 | M. DEBLASIO, INC. | LITTLETON, MA | Eastern Bank |
| $150,000–350,000 | M.T. MAYO CORPORATION | STONEHAM, MA | Eastern Bank |
| $150,000–350,000 | M2 HOLDINGS, LLC | SOMERVILLE, MA | Eastern Bank |
| $150,000–350,000 | M2 TECHNOLOGIES, INC. | NASHUA, NH | Eastern Bank |
| $150,000–350,000 | MABROTHERS, LLC | BOSTON, MA | Eastern Bank |
| $350,000–1 million | MAC-CLARK RESTAURANTS OF ROME INC | UTICA, NY | Eastern Bank |
| $350,000–1 million | MACDOUGALL ADVISORS, INC. | NATICK, MA | Eastern Bank |
| $1–2 million | MACFARLANE ENERGY, INC. | DEDHAM, MA | Eastern Bank |
| $350,000–1 million | MACKAY CONCRETE CONSTRUCTION, INC | CHARLESTOWN, MA | Eastern Bank |
| $150,000–350,000 | MACKAY CONSTRUCTION SERVICES INC. | WILMINGTON, MA | Eastern Bank |
| $150,000–350,000 | MACKY BROWN ENTERPRISES,LLC | NEWTON, MA | Eastern Bank |
| $150,000–350,000 | MACNICHOL ELECTRIC, INC. | LYNNFIELD, MA | Eastern Bank |
| $150,000–350,000 | MADDEN MOTOR GROUP INC | CHATHAM, MA | Eastern Bank |
| $150,000–350,000 | MADGE & JOHNSON, P.C. | WESTFORD, MA | Eastern Bank |
| $350,000–1 million | MADISON PARK DEVELOPMENT CORPORATION | ROXBURY, MA | Eastern Bank |
| $150,000–350,000 | MAEP INC | MALDEN, MA | Eastern Bank |
| $150,000–350,000 | MAINELINE GRAPHICS, LLC | ANTRIM, NH | Eastern Bank |