| $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 | LIGHTNING EXPRESS INC | Woburn, MA | Eastern Bank |
| $150,000–350,000 | LINCOLN STREET HOTELIERS | Portland, ME | Eastern Bank |
| $150,000–350,000 | LINDEN STORE INC | Wellesley, MA | Eastern Bank |
| $150,000–350,000 | LINEA 5 INC | Boston, MA | Eastern Bank |
| $150,000–350,000 | LINEA 5, INC. | BOSTON, MA | Eastern Bank |
| $350,000–1 million | LINX LLC | Wellesley, MA | Eastern Bank |
| $350,000–1 million | LINX, LLC | Wellesley, MA | 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 |
| $150,000–350,000 | LITTLE BIG FARM FOODS LLC | Portsmouth, NH | Eastern Bank |
| $150,000–350,000 | LITTLE BIG FARMS FOOD, LLC | PORTSMOUTH, NH | Eastern Bank |
| $350,000–1 million | LITTLE CHILDREN SCHOOLHO | Brookline, MA | Eastern Bank |
| $350,000–1 million | LITTLE CHILDREN SCHOOLHOUSE, INC. | BROOKLINE, MA | Eastern Bank |
| $150,000–350,000 | LITTLE HARBOR ADVISORS L | Marblehead, MA | Eastern Bank |
| $150,000–350,000 | LITTLE HARBOR ADVISORS, LLC | MARBLEHEAD, MA | Eastern Bank |
| $150,000–350,000 | LITTLE VOICES EARLY CARE | Hyde Park, MA | Eastern Bank |
| $150,000–350,000 | LITTLE VOICES EARLY CARE AND EDUCATION, INC. | HYDE PARK, MA | Eastern Bank |
| $150,000–350,000 | LIVEPROCESS CORPORATION | chelmsford, MA | Eastern Bank |
| $2–5 million | LIVING INNOVATIONS SUPPORT SERVICES, INC | DOVER, NH | Eastern Bank |
| $150,000–350,000 | LIVINGSTON & HAYNES, PC | Wellesley, MA | Eastern Bank |
| $350,000–1 million | LKM INDUSTRIES INC | WOBURN, MA | Eastern Bank |
| $350,000–1 million | LMHS PC | NORWELL, MA | Eastern Bank |
| $150,000–350,000 | LOCAL 02045 LLC | Quincy, MA | Eastern Bank |
| $1–2 million | LOCUS ROBOTICS CORP | WILMINGTON, MA | Eastern Bank |
| $150,000–350,000 | LOFT STEAK & CHOP HOUSE, LLC | NORTH ANDOVER, MA | Eastern Bank |
| $150,000–350,000 | LOGAN INSTRUMENTS, INC. | EVERETT, MA | Eastern Bank |
| $2–5 million | LOGICSOURCE, INC. | NORWALK, CT | Eastern Bank |
| $350,000–1 million | LONDON ECONOMICS INTERNATIONAL LLC | Boston, MA | Eastern Bank |
| $150,000–350,000 | LONDON ECONOMICS INTERNATIONAL LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LONG POINT MARINE, INC. | DUXBURY, MA | Eastern Bank |
| $150,000–350,000 | LONGFELLOW STAFFING INC. | Boston, MA | Eastern Bank |
| $150,000–350,000 | LONGFELLOW STAFFING INC. | BOSTON, MA | Eastern Bank |
| $350,000–1 million | LONGFORD & COMPANY, LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LONGWOOD MEDICAL AREA CHILD CARE CENTER | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | LONGWOOD MEDICAL AREA CHILD CARE CENTER | Boston, MA | Eastern Bank |
| $1–2 million | LONGWOOD SECURITY SERVICES, INC. | Boston, MA | Eastern Bank |
| $150,000–350,000 | LONGWOOD VENUES & DESTINATIONS, INC. | BROOKLINE, 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 |
| $150,000–350,000 | LSR REFINISHING LLC | Chelsea, MA | Eastern Bank |
| $150,000–350,000 | LSR REFINISHING, LLC | CHELSEA, MA | Eastern Bank |
| $150,000–350,000 | LUMINOSITY BEHAVIORAL HE | Brockton, MA | Eastern Bank |
| $350,000–1 million | LUMINOSO TECHNOLOGIES INC. | Boston, MA | Eastern Bank |
| $350,000–1 million | LUMINOSO TECHNOLOGIES, INC. | Boston, MA | Eastern Bank |
| $350,000–1 million | LUX RENOVATIONS LLC | Canton, MA | Eastern Bank |
| $350,000–1 million | LUX RENOVATIONS LLC | CANTON, MA | Eastern Bank |
| $2–5 million | LYCEE INTERNATIONAL DE BOSTON / INTERNATIONAL SCHOOL OF BOST | Cambridge, 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 | LYNNFIELD ST. DONUTS INC | Peabody, MA | Eastern Bank |
| $350,000–1 million | M & B SALEM RESTAURANT L | Salem, MA | Eastern Bank |
| $150,000–350,000 | M & H CONSULTING LLC | NATICK, MA | Eastern Bank |
| $150,000–350,000 | M&B INTERNATIONAL PRODUCTS INC | Quincy, MA | Eastern Bank |
| $150,000–350,000 | M&B INTERNATIONAL PRODUCTS, INC. | QUINCY, MA | Eastern Bank |
| $150,000–350,000 | M&B SALEM RESTAURANT LLC | SALEM, MA | Eastern Bank |
| $150,000–350,000 | M&J PRODUCE INC | CHELSEA, MA | Eastern Bank |
| $150,000–350,000 | M&J PRODUCE INC. | Chelsea, 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&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 | M2 TECHNOLOGIES, INC. | NASHUA, NH | Eastern Bank |
| $150,000–350,000 | MA ADVOCATES FOR CHILDRE | Boston, MA | Eastern Bank |
| $150,000–350,000 | MA ASSOCIATION OF SCHOOL COMMITTEES/ GLENN S. KOOCHER | Boston, MA | 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 CONSTRUC | Wilmington, 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 | MACNICHOL ELECTRIC, INC. | LYNNFIELD, MA | Eastern Bank |
| $150,000–350,000 | MADDEN MOTOR GROUP INC | CHATHAM, MA | Eastern Bank |
| $150,000–350,000 | MADDEN MOTOR GROUP INC. | Chatham, MA | Eastern Bank |
| $350,000–1 million | MADISON PARK DEVELOPMENT CORPORATION | ROXBURY, MA | Eastern Bank |
| $150,000–350,000 | MAGIC BEANS LLC | Hyde Park, MA | Eastern Bank |
| $150,000–350,000 | MAGIC BEANS LLC | Hyde Park, MA | Eastern Bank |
| $150,000–350,000 | MAGNA CORP. | Portsmouth, NH | Eastern Bank |
| $150,000–350,000 | MAGUIRE ASSOCIATES INC | Concord, MA | Eastern Bank |
| $150,000–350,000 | MAGUIRE ASSOCIATES, INC. | CONCORD, MA | Eastern Bank |
| $150,000–350,000 | MAINELINE GRAPHICS, LLC | ANTRIM, NH | Eastern Bank |
| $350,000–1 million | MAINSTAY SUPPORTIVE HOUSING AND HOMECARE, INC. | NEWTON, MA | Eastern Bank |
| $150,000–350,000 | MAJESTIC MEDICAL, INC. | MIDDLEBORO, MA | Eastern Bank |
| $350,000–1 million | MALDEN CATHOLIC HIGH SCHOOL | MALDEN, MA | Eastern Bank |
| $5–10 million | MALONEY PROPERTIES. INC. | WELLESLEY HILLS, MA | Eastern Bank |
| $350,000–1 million | MAMA ROSIE'S CO. INC. | CHARLESTOWN, MA | Eastern Bank |
| $350,000–1 million | MANCHESTER CREAMERY LLC | Manchester, NH | Eastern Bank |
| $150,000–350,000 | MANCHESTER CREAMERY LLC | MANCHESTER, NH | Eastern Bank |
| $350,000–1 million | MANCHESTER OBSTETRICAL A | Manchester, NH | Eastern Bank |