| 1 | JUST SOME OLD SOLDIERS LLC | | Dissolved | | 1999-08-24 | | | | |
| 2 | JVM Property Maintenance Enterprises LLC | | | | 2011-11-17 | | | | |
| 3 | J Tremblay Enterprises, LLC | | Active | | 2006-02-23 | | | | |
| 4 | J'S REAL ESTATE, INC. | | Dissolved | | 1981-10-09 | | | | |
| 5 | J. B. VAILLANCOURT INC. | | | | 1976-01-02 | | | | |
| 6 | J. F. SHEET METAL, INC. | | Active | | 1993-11-05 | | | | |
| 7 | J. M. MACHINE & TOOL CO., INC. | | | | 1984-01-31 | | | | |
| 8 | JACKSON INVESTMENTS, INC. | | Dissolved | | 1979-04-27 | | | | |
| 9 | Jacksonville Ventures, LLC | | Active | | 2008-10-20 | | | | |
| 10 | JAFFREY SQUARE MASONIC CORPORATION | | | | 1976-09-13 | | | | |
| 11 | Jaguar Cars of New Hampshire, LLC | | Active | | 2006-10-20 | | | | |
| 12 | James Gerard Jewelers Inc | | | | 2007-06-18 | | | | |
| 13 | James Lambert Enterprises, LLC | | Active | | 2010-08-02 | | | | |
| 14 | James Mastricola Upper Elementary Parent-Faculty Association | | Active | | 2004-07-01 | | | | |
| 15 | JAMM REALTY, INC. | | Active | | 1998-09-08 | | | | |
| 16 | JDT Property Care LLC | | Active | | 2008-07-07 | | | | |
| 17 | Jefferson Nursing Home, Inc. | | | | 1966-01-01 | | | | |
| 18 | Jeffrey A. Medeiros, D.D.S., P.L.L.C. | | Active | | 2010-12-30 | | | | |
| 19 | Jeffrey Morer O.D., P.C. | | Active | | 2011-03-14 | | | | |
| 20 | JEK INCORPORATED | | Dissolved | | 1994-05-27 | | | | |
| 21 | JENNESS, FREDERICK L., & BELLVILLE, SUSAN N. | | Active | | 2002-02-27 | | | | |
| 22 | JKPC CORPORATION | | Dissolved | | 1962-12-27 | | | | |
| 23 | JLPK-FW LLC | | | | 2007-05-14 | | | | |
| 24 | JMH Food Enterprises, Inc. | | | | 2007-08-01 | | | | |
| 25 | JMS MARINE & RECREATIONAL VEHICLES, LLC | | | | 2005-05-13 | | | | |
| 26 | Jobmerge LLC | | | | 2007-05-24 | | | | |
| 27 | JOHN A. FRYE SHOE COMPANY, INC. | | | | 1982-02-24 | | | | |
| 28 | John G. McQuilkin, Inc. | | Dissolved | | 1923-03-17 | | | | |
| 29 | JONRUT VENTURES, LLC | | | | 2003-12-01 | | | | |
| 30 | Julian Estates LLC | | Active | | 2012-04-04 | | | | |
| 31 | JUNIOR'S TIRE SERVICE, INC. | | Dissolved | | 1990-01-10 | | | | |
| 32 | RAVI, LLC | | Active | | 1999-08-26 | | | | |
| 33 | RAVIN CUSTOM HOMES, L.L.C. | | | | 2002-10-07 | | | | |
| 34 | RAWHIDE REALTY TRUST INC. | | Dissolved | | 2002-04-10 | | | | |
| 35 | RawRip, Inc. | | | | 2006-11-22 | | | | |
| 36 | RAY'S NOVELTIES, INC. | | Active | | 1977-01-31 | | | | |
| 37 | RAYMOND & SON CONCRETE FINISHING, INC. | | | | 2002-01-08 | | | | |
| 38 | RAYMOND K. CONLEY JR. MEMORIAL SCHOLARSHIP FUND | | Dissolved | | 1997-07-08 | | | | |
| 39 | RAYMOND TERRACE, INC. | | Dissolved | | 1991-03-22 | | | | |
| 40 | RAZZABONI HOME BUILDERS, INC. | | Active | | 2001-04-18 | | | | |
| 41 | RCC CHOICE PROPERTIES, L.L.C. | | Active | | 1998-11-04 | | | | |
| 42 | RCP CONSULTANTS LIMITED | | | | 1998-02-05 | | | | |
| 43 | CONSUMER HEARING CONSULTANTS, LLC | | Active | | 2004-11-12 | | | | |
| 44 | CONSUMERS ALLIANCE PROCESSING CORPORATION | | Active | | 2005-06-20 | | | | |
| 45 | Continental Builders Corp. | | | | 1966-08-05 | | | | |
| 46 | CONTINENTAL RECOVERY SYSTEMS, INC. | | | | 1988-05-10 | | | | |
| 47 | CONTOUR LAND SERVICES, LLC | | | | 2003-06-12 | | | | |
| 48 | Contract Embroidery, LLC | | Dissolved | | 2007-01-23 | | | | |
| 49 | CONTROLSMITH, INC. | | Dissolved | | 1977-12-30 | | | | |
| 50 | CONWAY COALITION FOR RESPONSIBLE GOVERNMENT | | Dissolved | | 1992-10-19 | | | | |