| $150,000–350,000 | MACKEYS INC | WILLIMANTIC, CT | Berkshire Bank |
| $150,000–350,000 | MACKOUL ELECTRIC INC | SHREWSBURY, MA | Berkshire Bank |
| $150,000–350,000 | MACLEAN AGENCY LLC | PRINCETON, NJ | Berkshire Bank |
| $150,000–350,000 | MACLEOD & MOYNIHAN WINDOWS & DOOR | WATERTOWN, MA | Berkshire Bank |
| $150,000–350,000 | MAHAIWE PERFORMING ARTS CENTER, INC. | GREAT BARRINGTON, MA | Berkshire Bank |
| $350,000–1 million | MAHONEY SABOL & COMPANY, LLP | GLASTONBURY, CT | Berkshire Bank |
| $150,000–350,000 | MAIN SOUTH COMMUNITY DEVELOPMENT CORPORATION | WORCESTER, MA | Berkshire Bank |
| $350,000–1 million | MAINE NATURAL HEALTH INC. | WARREN, ME | Berkshire Bank |
| $1–2 million | MAINSAIL GROUP, INC | BEDFORD, MA | Berkshire Bank |
| $150,000–350,000 | MAKING WAVES SWIM SCHOOL INC. | PENNINGTON, NJ | Berkshire Bank |
| $150,000–350,000 | MALTA DEVELOPMENT CO., INC | BALLSTON SPA, NY | Berkshire Bank |
| $1–2 million | MANAGEMENT RECRUITERS INTERNATIONAL, INC. | PHILADELPHIA, PA | Berkshire Bank |
| $1–2 million | MANCHESTER CT SNF LLC | MANCHESTER, CT | Berkshire Bank |
| $350,000–1 million | MANCHESTER FITNESS MAC LLC | MANCHESTER, MA | Berkshire Bank |
| $350,000–1 million | MARDER TRAWLING INC. | NEW BEDFORD, MA | Berkshire Bank |
| $150,000–350,000 | MARIA MCPHERSON MD, JONATHAN FREILICH MD, DAVID FREILICH MD | HUDSON, NY | Berkshire Bank |
| $1–2 million | MARIAN SERVICE CORPORATION | STOCKBRIDGE, MA | Berkshire Bank |
| $150,000–350,000 | MARILIA BATINSEY | BOSTON, MA | Berkshire Bank |
| $150,000–350,000 | MARKET MASTERS-LEGAL A RESONANCE COMPANY INC | NORTHAMPTON, MA | Berkshire Bank |
| $150,000–350,000 | MARKET TITLE SERVICES, LLC | LATHAM, NY | Berkshire Bank |
| $2–5 million | MARLBORO HILLS MA SNF LLC | MARLBOROUGH, MA | Berkshire Bank |
| $2–5 million | MARTIN, HARDING & MAZZOTTI, LLP | SCHENECTADY, NY | Berkshire Bank |
| $350,000–1 million | MASSACHUSETTS GYMNASTICS CENTER LLC | WALTHAM, MA | Berkshire Bank |
| $150,000–350,000 | MATIK INC | WEST HARTFORD, CT | Berkshire Bank |
| $150,000–350,000 | MAZZEO'S OF GREAT BARRINGTON | PITTSFIELD, MA | Berkshire Bank |
| $350,000–1 million | MCGILL HOSE & COUPLING INC | EAST LONGMEADOW, MA | Berkshire Bank |
| $150,000–350,000 | MCKINNEY JUMP, LLC | MCKINNEY, TX | Berkshire Bank |
| $150,000–350,000 | ME3 CORPORATION | KIRKWOOD, PA | Berkshire Bank |
| $350,000–1 million | MECHANICAL PRESERVATION ASSOCIATES, INC. & DAVID J BUTTS AN | HILLSBOROUGH, NJ | Berkshire Bank |
| $2–5 million | MEDFORD WELLINGTON SERVICE CO, INC. | NORTH BILLERICA, MA | Berkshire Bank |
| $350,000–1 million | MEDICAL MANAGEMENT PLUS, LLC | WETHERSFIELD, CT | Berkshire Bank |
| $350,000–1 million | MEDWAY COUNTRY MANOR INC | MEDWAY, MA | Berkshire Bank |
| $150,000–350,000 | MERCERVILLE FAMILY DENTAL | TRENTON, NJ | Berkshire Bank |
| $350,000–1 million | MERIDA LLC | BOSTON, MA | Berkshire Bank |
| $150,000–350,000 | MERMAIDS NEWPORT LLC | NEWPORT, RI | Berkshire Bank |
| $150,000–350,000 | METROWEST ELECTRIC SALES INC | WESTBOROUGH, MA | Berkshire Bank |
| $150,000–350,000 | MHNEXT LLC | BOSTON, MA | Berkshire Bank |
| $150,000–350,000 | MICHAEL R. GABOR DMD P. C. | ROCKY HILL, CT | Berkshire Bank |
| $150,000–350,000 | MICHAEL RENZI PAINTING CO., LLC | PITTSFIELD, MA | Berkshire Bank |
| $350,000–1 million | MID-ATLANTIC RESTAURANT CONCEPTS, LLC | HORSHAM, PA | Berkshire Bank |
| $150,000–350,000 | MIDYORK LIBRARY SYSTEM | UTICA, NY | Berkshire Bank |
| $150,000–350,000 | MILFORD PACKAGE LLC | WEST HARTFORD, CT | Berkshire Bank |
| $350,000–1 million | MILTON C. BEEBE & SONS, INC. | STORRS, CT | Berkshire Bank |
| $150,000–350,000 | MINN SF LLC | MINNEAPOLIS, MN | Berkshire Bank |
| $1–2 million | MIYOSHI AMERICA, INC. | DAYVILLE, CT | Berkshire Bank |
| $350,000–1 million | MODERN EQUIPMENT CO INC | BURLINGTON, NJ | Berkshire Bank |
| $150,000–350,000 | MOHAWK VALLEY WOMEN'S HEALTH ASSOCIATES LLP | ROME, NY | Berkshire Bank |
| $350,000–1 million | MOM AND POP PLUMBING & DRAIN SERVICE, LLC | BROOKLYN, CT | Berkshire Bank |
| $350,000–1 million | MON CHERI BRIDALS LLC | TRENTON, NJ | Berkshire Bank |
| $1–2 million | MONTROSE MOLDERS CORPORATION | PISCATAWAY, NJ | Berkshire Bank |
| $150,000–350,000 | MORGAN-KOCH CORPORATION | WORCESTER, MA | Berkshire Bank |
| $350,000–1 million | MORLOCK NEWS COMPANY, INC. | GLENMONT, NY | Berkshire Bank |
| $150,000–350,000 | MORR DENTAL SOLUTIONS, LLC | WESTBOROUGH, MA | Berkshire Bank |
| $1–2 million | MOSAIC HEALTH, INC., ROCHESTER PRIMARY CARE NETWORK | ROCHESTER, NY | Berkshire Bank |
| $350,000–1 million | MOUNTAIN MOZZARELLA LLC | NORTH BENNINGTON, VT | Berkshire Bank |
| $2–5 million | MRI CONTRACT STAFFING, INC. | PHILADELPHIA, PA | Berkshire Bank |
| $350,000–1 million | MSI GLOBAL TALENT SOLUTIONS LLC | HAMPTON, NH | Berkshire Bank |
| $350,000–1 million | MULMAN HEALTH SERVICES INC. | DANVERS, MA | Berkshire Bank |
| $150,000–350,000 | MULTI FUNDING INC. | WOODSTOCK, NY | Berkshire Bank |
| $150,000–350,000 | MURRAY KAIZER, INC | FARMINGTON, CT | Berkshire Bank |
| $150,000–350,000 | MUSTO WINE GRAPE COMPANY LLC | HARTFORD, CT | Berkshire Bank |
| $150,000–350,000 | MV MEDICAL PRACTICE PC | UTICA, NY | Berkshire Bank |
| $150,000–350,000 | MY ENERGY MONSTER INC. | LARGO, FL | Berkshire Bank |
| $150,000–350,000 | N.E. CYCLE WORKS, INC. | GROTON, CT | Berkshire Bank |
| $150,000–350,000 | NATALYA YANTOVSKY DMD PC | PITTSFIELD, MA | Berkshire Bank |
| $350,000–1 million | NATIONAL AUTO DEALERS SERVICE, INC. | POMFRET CENTER, CT | Berkshire Bank |
| $150,000–350,000 | NATIONAL SHORING LLC | WATERFORD, CT | Berkshire Bank |
| $150,000–350,000 | NATIVITY SCHOOL OF WORCESTER, INC | WORCESTER, MA | Berkshire Bank |
| $150,000–350,000 | NBI NEW ENGLAND INC. | FARMINGTON, CT | Berkshire Bank |
| $150,000–350,000 | NELSON ASSOCIATES ARCHITECTURAL ENGINEERING PC | CLINTON, NY | Berkshire Bank |
| $350,000–1 million | NEMO EQUIPMENT, INC. | DOVER, NH | Berkshire Bank |
| $150,000–350,000 | NETTIE BAYOU INDUSTRIES, INC. | PORT CHARLOTTE, FL | Berkshire Bank |
| $5–10 million | NEW ENGLAND AUTHENTIC EATS LLC | DEDHAM, MA | Berkshire Bank |
| $1–2 million | NEW ENGLAND AUTOMAX INC | FRAMINGHAM, MA | Berkshire Bank |
| $350,000–1 million | NEW ENGLAND HOSPICE II, LLC | HINGHAM, MA | Berkshire Bank |
| $350,000–1 million | NEW ENGLAND KEYBOARD INC | FITCHBURG, MA | Berkshire Bank |
| $350,000–1 million | NEW ENGLAND MARKET LLC | BROCKTON, MA | Berkshire Bank |
| $350,000–1 million | NEW ENGLAND NATURAL BAKERS, INC. | GREENFIELD, MA | Berkshire Bank |
| $350,000–1 million | NEW ENGLAND RETINA CONSULTANTS, P.C. | SPRINGFIELD, MA | Berkshire Bank |
| $150,000–350,000 | NEW ENGLAND SYNOD OF THE EVANGELICAL LUTHERAN CHURCH IN AMER | WORCESTER, MA | Berkshire Bank |
| $150,000–350,000 | NEW JERSEY INSTITUTE FOR SOCIAL JUSTICE INC | NEWARK, NJ | Berkshire Bank |
| $150,000–350,000 | NEW YORK ALLIANCE FOR INCLUSION AND INNOVATION, INC. | ALBANY, NY | Berkshire Bank |
| $350,000–1 million | NEWBURY FINE DINING, INC | BOSTON, MA | Berkshire Bank |
| $150,000–350,000 | NEXT LEVEL MANAGEMENT AND CONSULTING, LLC | OVIEDO, FL | Berkshire Bank |
| $350,000–1 million | NGB PROPERTY MANAGEMENT | ALBANY, NY | Berkshire Bank |
| $150,000–350,000 | NICK'S FINE FOODS, INC. | NEWPORT, RI | Berkshire Bank |
| $350,000–1 million | NICKSON INDUSTRIES, INC. | PLAINVILLE, CT | Berkshire Bank |
| $150,000–350,000 | NIVINSKUS LAW GROUP, A LAW CORPORATION | FULLERTON, CA | Berkshire Bank |
| $150,000–350,000 | NOLAN HELLER KAUFFMAN LLP | ALBANY, NY | Berkshire Bank |
| $350,000–1 million | NORMAN ROCKWELL MUSEUM AT STOCKBRIDGE, INC | STOCKBRIDGE, MA | Berkshire Bank |
| $350,000–1 million | NORTH EAST MOLD & PLASTICS, LLC | HUDSON, MA | Berkshire Bank |
| $150,000–350,000 | NORTH EAST UNDERLAYMENTS L.L.C. | WARRENSBURG, NY | Berkshire Bank |
| $150,000–350,000 | NORTHEAST MASONRY DISTRIBUTORS, LLC | PLAINVILLE, MA | Berkshire Bank |
| $150,000–350,000 | NORTHEAST MECHANICAL SOLUTIONS, INC. | SHREWSBURY, MA | Berkshire Bank |
| $150,000–350,000 | NORTHEAST RECYCLERS OF WIDHAM INC | WILLIMANTIC, CT | Berkshire Bank |
| $150,000–350,000 | NORTHEAST REHAB ASSOCIATES INC | Agawam, MA | Berkshire Bank |
| $150,000–350,000 | NORTHERN MILLWORK DESIGN, INC. | LANSDALE, PA | Berkshire Bank |
| $350,000–1 million | NORTHSTAR STEEL & ALUMINUM, INC | MANCHESTER, NH | Berkshire Bank |
| $1–2 million | NORTHWEST CATHOLIC HIGH SCHOOL CORPORATION | WEST HARTFORD, CT | Berkshire Bank |
| $150,000–350,000 | NOTRE DAME ACADEMY | WORCESTER, MA | Berkshire Bank |