| $350,000–1 million | BILT RITE CONSTRUCTION INC | ROXBURY, MA | Eastern Bank |
| $150,000–350,000 | BIOCARDIA DIAGNOSTICS IN | Brookline, MA | Eastern Bank |
| $350,000–1 million | BIOCARDIA DIAGNOSTICS INC | BROOKLINE, MA | Eastern Bank |
| $350,000–1 million | BISHOP FENWICK HIGH SCHOOLS, INC. | PEABODY, MA | Eastern Bank |
| $350,000–1 million | BLEU INC | Mashpee, MA | Eastern Bank |
| $150,000–350,000 | BLEU, INC. | MASHPEE, MA | Eastern Bank |
| $350,000–1 million | BLUE HILLS THERAPEUTICS INC. | FORESTDALE, MA | Eastern Bank |
| $150,000–350,000 | BLUE LILY LLC | Malden, MA | Eastern Bank |
| $150,000–350,000 | BLUE LILY, LLC | MALDEN, MA | Eastern Bank |
| $150,000–350,000 | BLUE SPRUCE TECHNOLOGIES | Dover, NH | Eastern Bank |
| $150,000–350,000 | BLUE SPRUCE TECHNOLOGIES, INC. | DURHAM, NH | Eastern Bank |
| $1–2 million | BLUEHUB CAPITAL,INC. | ROXBURY, MA | Eastern Bank |
| $150,000–350,000 | BLUEPRINT HEALTHCARE LLC | MIDDLETON, MA | Eastern Bank |
| $350,000–1 million | BMCA INCORPORATED | Braintree, MA | Eastern Bank |
| $350,000–1 million | BMCA, INC. | BRAINTREE, MA | Eastern Bank |
| $150,000–350,000 | BOAT HOUSE LLC | Rye, NH | Eastern Bank |
| $150,000–350,000 | BOB'S SPEED & AUTO PARTS, INC | QUINCY, MA | Eastern Bank |
| $150,000–350,000 | BOBBLES & LACE, LLC | MARBLEHEAD, MA | Eastern Bank |
| $150,000–350,000 | BOBBLES AND LACE LLC | Marblehead, MA | Eastern Bank |
| $350,000–1 million | BONACO INC. | North Billerica, MA | Eastern Bank |
| $150,000–350,000 | BONACO, INC. | North Billerica, MA | Eastern Bank |
| $350,000–1 million | BOOKSTORE & RESTAURANT I | Wellfleet, MA | Eastern Bank |
| $150,000–350,000 | BOOKSTORE & RESTAURANT INC | WELLFLEET, MA | Eastern Bank |
| $150,000–350,000 | BOOTSTRAP COMPOST, INC. | MALDEN, MA | Eastern Bank |
| $350,000–1 million | BOSTON AREA RAPE CRISIS CENTER, INC. | CAMBRIDGE, MA | Eastern Bank |
| $2–5 million | BOSTON BALLET INC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON BIT LABS, INC. | Salem, MA | Eastern Bank |
| $2–5 million | BOSTON CAPITAL HOLDINGS LIMITED PARTNERSHIP | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON CAR WASHING GROUP INC. | Winchester, MA | Eastern Bank |
| $150,000–350,000 | BOSTON CAR WASHING GROUP, INC. | WINCHESTER, MA | Eastern Bank |
| $350,000–1 million | BOSTON CATHOLIC DEVELOPMENT SERVICES INC | BRAINTREE, MA | Eastern Bank |
| $350,000–1 million | BOSTON CENTER FOR INDEPENDENT LIVING, INC. | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON CHILDREN'S CHORUS | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON CHILDRENS CHORUS | Boston, MA | Eastern Bank |
| $2–5 million | BOSTON COLLEGE HIGH SCHOOL | DORCHESTER, MA | Eastern Bank |
| $150,000–350,000 | BOSTON DEBATE LEAGUE | Boston, MA | Eastern Bank |
| $150,000–350,000 | BOSTON EDUCATION SKILLS | Medford, MA | Eastern Bank |
| $150,000–350,000 | BOSTON EDUCATION, SKILLS, & TRAINING CORP. | MEDFORD, MA | Eastern Bank |
| $350,000–1 million | BOSTON HELPDESK INC | SOUTH BOSTON, MA | Eastern Bank |
| $1–2 million | BOSTON ORTHOPAEDIC AND SPINE LLC | Brighton, MA | Eastern Bank |
| $1–2 million | BOSTON PAINT COMPANY, INC. | BOSTON, MA | Eastern Bank |
| $350,000–1 million | BOSTON PARTNERS FINANCIAL GROUP, LLC | ANDOVER, MA | Eastern Bank |
| $150,000–350,000 | BOSTON PHILHARMONIC ORCHESTRA | Boston, MA | Eastern Bank |
| $150,000–350,000 | BOSTON PHILHARMONIC ORCHESTRA CORPORATION | Boston, MA | Eastern Bank |
| $350,000–1 million | BOSTON PRIVATE CARE LLC | Wellesley, MA | Eastern Bank |
| $350,000–1 million | BOSTON PRIVATE CARE, LLC | WELLESLEY HILLS, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SCHOOLS FUND | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SCHOOLS FUND INC | Boston, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SCOOP SHOPS INC | Boston, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SCOOP SHOPS INC. | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SKI AND SPORTS CLUB INC. | Watertown, MA | Eastern Bank |
| $150,000–350,000 | BOSTON SKI AND SPORTS CLUB, INC. | WATERTOWN, MA | Eastern Bank |
| $350,000–1 million | BOSTON TEA PARTY SHIP IN | BOSTON, MA | Eastern Bank |
| $350,000–1 million | BOSTON TEA PARTY SHIP, INC. | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BOSTON TOPS | HANOVER, MA | Eastern Bank |
| $150,000–350,000 | BOSTON TOPS | Hanover, MA | Eastern Bank |
| $150,000–350,000 | BOSTON'S BEST COOKIES LLC | EVERETT, MA | Eastern Bank |
| $150,000–350,000 | BOSTONIAN BRICK AND STON | Wrentham, MA | Eastern Bank |
| $150,000–350,000 | BOSTONIAN BRICK AND STONE, INC. | NORFOLK, MA | Eastern Bank |
| $150,000–350,000 | BOW MARKET ENTERTAINMENT | Somerville, MA | Eastern Bank |
| $350,000–1 million | BOW MARKET ENTERTAINMENT LLC | Somerville, MA | Eastern Bank |
| $350,000–1 million | BOYD/SMITH, INC. | BOSTON, MA | Eastern Bank |
| $350,000–1 million | BOYLSTON STREET DENTAL LLC | Chestnut Hill, MA | Eastern Bank |
| $350,000–1 million | BOYLSTON STREET DENTAL, LLC | CHESTNUT HILL, MA | Eastern Bank |
| $150,000–350,000 | BOYS & GIRLS CLUB OF GREATER SALEM, INC | SALEM, MA | Eastern Bank |
| $350,000–1 million | BOYS' AND GIRLS' CLUBS OF DORCHESTER, INC. | DORCHESTER, MA | Eastern Bank |
| $350,000–1 million | BP ASHBY LLC | QUINCY, MA | Eastern Bank |
| $350,000–1 million | BPMS, INC. | QUINCY, MA | Eastern Bank |
| $150,000–350,000 | BRADFORD CARPET CO INC | Peabody, MA | Eastern Bank |
| $150,000–350,000 | BRADFORD CARPET CO INC. | SAUGUS, MA | Eastern Bank |
| $150,000–350,000 | BRADSTER INC | Lynn, MA | Eastern Bank |
| $2–5 million | BRADY ENTERPRISES, INC | EAST WEYMOUTH, MA | Eastern Bank |
| $1–2 million | BRADY SULLIVAN PAYROLL MANAGEMENT, INC | MANCHESTER, NH | Eastern Bank |
| $350,000–1 million | BRADY SULLIVAN PAYROLL, INC | MANCHESTER, NH | Eastern Bank |
| $350,000–1 million | BRAKE & CLUTCH, INC. | SALEM, MA | Eastern Bank |
| $350,000–1 million | BRAMBLE HOSPITALITY LLC | Topsfield, MA | Eastern Bank |
| $350,000–1 million | BRAMBLE HOSPITALITY, LLC | TOPSFIELD, MA | Eastern Bank |
| $150,000–350,000 | BRAND & TAPPLY LLC | Wellesley, MA | Eastern Bank |
| $150,000–350,000 | BRAND & TAPPLY, LLC | Wellesley, MA | Eastern Bank |
| $150,000–350,000 | BRATO BREWHOUSE AND KITC | Brighton, MA | Eastern Bank |
| $150,000–350,000 | BRATO BREWHOUSE AND KITCHEN | BRIGHTON, MA | Eastern Bank |
| $150,000–350,000 | BRAVE HEART WIRELESS LLC | Nashua, NH | Eastern Bank |
| $150,000–350,000 | BREAD AND SALT HOSPITALI | Somerville, MA | Eastern Bank |
| $150,000–350,000 | BREAKAWAY COURIER BOSTON INC. | Boston, MA | Eastern Bank |
| $150,000–350,000 | BREAKAWAY COURIER BOSTON, INC. | Boston, MA | Eastern Bank |
| $150,000–350,000 | BREAKTHROUGH GREATER BOSTON | Cambridge, MA | Eastern Bank |
| $150,000–350,000 | BRECHER, WYNER, SIMONS, FOX & BOLAN PC | Newton, MA | Eastern Bank |
| $350,000–1 million | BREWER PETROLEUM SERVICE | REVERE, MA | Eastern Bank |
| $350,000–1 million | BREWER PETROLEUM SERVICE, INC. | REVERE, MA | Eastern Bank |
| $1–2 million | BREWSTER ACADEMY | WOLFEBORO, NH | Eastern Bank |
| $1–2 million | BREWSTER ACADEMY BOARD OF TRUSTEES | Wolfeboro, NH | Eastern Bank |
| $150,000–350,000 | BRICK JONES MCBRIEN & HICKEY | Newton, MA | Eastern Bank |
| $150,000–350,000 | BRICK, JONES, MCBRIEN & HICKEY LLP | Newton, MA | Eastern Bank |
| $350,000–1 million | BRICKPOINT PROPERTIES, INC. | STONEHAM, MA | Eastern Bank |
| $150,000–350,000 | BRICKYARD VFX, LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BRICKYARD VFX, LLC | Boston, MA | Eastern Bank |
| $350,000–1 million | BRIDGE OVER TROUBLED WATERS INC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | BRIX SUGAR BAKERY INC | MALDEN, MA | Eastern Bank |
| $350,000–1 million | BRIX SUGAR BAKERY INC | Malden, MA | Eastern Bank |
| $150,000–350,000 | BROADWAY BRAKE CORP. | STOUGHTON, MA | Eastern Bank |