| KEEPING PACE WITH MULTIPLE MIRACLES, INC. | — | 000958900 | 2007-08-22 | Active | W. BRIDGEWATER |
| KEITH KOSTER MEMORIAL SCHOLARSHIP FUND, INC. | — | 000926035 | 2006-06-06 | Inactive | BOXFORD |
| KENDALL SQUARE ASSOCIATION, INC. | — | 000996972 | 2009-03-05 | Active | CAMBRIDGE |
| KENNEY - QUINN - FORD BRAIN TUMOR RESEARCH FOUNDATION, INC. | — | 001008169 | 2009-07-14 | Active | DORCHESTER |
| KERBEL REALTY TRUST | — | 046617152 | 1985-12-17 | Active | AUBURN |
| KERR STEAMSHIP COMPANY, INC. | — | 132648034 | 1984-01-06 | Inactive | NEW YORK |
| KEVIN YOUKILIS HITS FOR KIDS, INC. | — | 770689150 | 2007-08-14 | Active | NEWTON |
| KHMER CULTURAL PRESERVATION, INCORPORATED | — | 000891987 | 2005-03-28 | Inactive | LOWELL |
| KIDFIT CHARITABLE FOUNDATION, INC. | — | 000909269 | 2005-11-08 | Inactive | BROCKTON |
| KIDSFIRST, INC. | — | 001003391 | 2009-05-21 | Inactive | GEORGETOWN |
| KIMBIA FOUNDATION, INC. | — | 204055858 | 2006-01-19 | Inactive | CONCORD |
| KING KUTTS INC. | — | 000679112 | 1999-11-02 | Inactive | MATTAPAN |
| KINGFISH MEDFIELD BOOSTER CLUB, INC. | — | 274280563 | 2008-01-07 | Active | FOXBORO |
| KISHOLOY BANGLA AND ARABIC SCHOOL OF NEW ENGLAND, INC. | — | 000967307 | 2007-12-26 | Inactive | CAMBRIDGE |
| KOLDAIRE REFRIGERATION CORP. | — | 111877235 | 1990-05-07 | Inactive | BROOKLYN |
| KOREAN WAR VETERANS OF AMERICA, INC., DEPARTMENT OF MASSACHUSETTS | — | 000990309 | 2008-11-18 | Inactive | BOSTON |
| KURKJIAN REALTY TRUST | — | T00005903 | 1973-07-17 | Inactive | READING |
| KURNOS & ROSENBERG LLP | — | 043485577 | 1999-10-01 | Inactive | BOSTON |
| L'ARCHE INC. | — | 043532204 | 2000-09-29 | Inactive | NEW YORK |
| L'ORCHESTRA DA CAMERA BOSTON, INC. | — | 000915937 | 2006-02-02 | Inactive | BROOKLINE |
| LA COMMUNAUTE CATHOLIQUE CONGOLAISE_MWINDA-BOSTON,INC (CCC-MB) | — | 000976749 | 2008-04-29 | Active | LYNN |
| LADY PRESIDENTS, INC. | — | 000909218 | 2005-11-07 | Inactive | QUINCY |
| LAHEY HEALTH SHARED SERVICES, INC. | Health care and social assistance | 000416288 | 1992-12-31 | Active | BOSTON |
| LAKESHORE ESTATES ASSOCIATES | — | L86005241 | 1982-02-11 | Inactive | QUINCY |
| LAMPSON BROOK FARMSTEAD TRUST, INC. | — | 000987785 | 2008-10-07 | Inactive | BELCHERTOWN |
| LANCE CORPORAL JOHN J VAN GYZEN INCORPORATED | — | 000987786 | 2008-10-07 | Inactive | SOMERSET |
| LANE, GREENE, MURTHA & EDWARDS, LLP | — | 043026688 | 2000-01-19 | Inactive | WORCESTER |
| LANESVILLE COMMUNITY CENTER, INC. | — | 043245421 | 1954-12-01 | Active | GLOUCESTER |
| LAPPING & PICARDI LLP | — | 043533455 | 2000-02-22 | Inactive | BOSTON |
| LARSEN, P.E.,L.S.,P.C. | — | 161066373 | 1991-07-01 | Inactive | ROCHESTER |
| LAST FRONTIER OF SPRINGFIELD, INC. | — | 000872474 | 2004-07-19 | Inactive | SPRINGFIELD |
| LAST GENERATION OF RIGHTEOUSNESS | — | 001277347 | 2017-06-07 | Active | CAMBRIDGE |
| LATIN AMERICAN MUSICAL PRODUCTIONS, INC. | — | 000926747 | 2006-06-30 | Inactive | HYDE PARK |
| LATINO ADVANCEMENT COMMUNITY DEVELOPMENT CORPORATION | — | 001030898 | 2010-06-21 | Inactive | SPRINGFIELD |
| LAUREN'S WAY, INC. | — | 000907102 | 2005-10-06 | Inactive | WEST ROXBURY |
| LAWRENCE ASSEMBLIES OF GOD CHURCH | — | 000878415 | 1980-02-01 | Active | LAWRENCE |
| LAWRENCE CATHOLIC ACADEMY OF LAWRENCE, MASSACHUSETTS, INC. | — | 001023370 | 2010-03-04 | Active | LAWRENCE |
| LAWRENCE L. MANN, SR., LLP | — | 201243929 | 2004-06-22 | Active | BRAINTREE |
| LEAGUE OF COMMITTED FRIENDS, INC., THE | — | 000924768 | 2006-05-19 | Inactive | SPRINGFIELD |
| LEAN ON ME, INC. | — | 000873397 | 2004-08-02 | Inactive | HOLYOKE |
| LEARN GUITAR, INC. | — | 043528066 | 2000-05-24 | Inactive | BILLERICA |
| LEARN YU WEN NORTH AMERICAN LIMITED | — | 001003570 | 2009-05-22 | Inactive | ALLSTON |
| LEARNING NETWORK ASSOCIATES, INC. | — | 043415567 | 1998-02-13 | Inactive | MARION |
| LEBANON FOUNDATION, INC. | — | 000950555 | 2007-05-01 | Inactive | BROCKTON |
| LEDGEBROOK BUSINESS TRUST | — | T00734929 | 2000-12-28 | Inactive | NORTHBORO |
| LEDGER CORP. | — | 000871543 | 2004-06-30 | Inactive | GARDNER |
| LEE & RIVERS LLP | — | 043067026 | 1998-01-15 | Active | BOSTON |
| LEE MIDDLE AND HIGH SCHOOL SOCCER BOOSTER CLUB, INC. | — | 001022720 | 2010-02-24 | Inactive | LEE |
| LEERINK FAMILY FOUNDATION, INC. | — | 001018238 | 2009-12-24 | Active | BOSTON |
| LEEWARD CHARITABLE FOUNDATION, INC. | — | 000994592 | 2009-01-27 | Active | SALISBURY |