| ASOCIACIÓN EVANGELISTICA NACIDOS PARA TRIUNFAR, INC. | — | 313060 | 2012-05-28 | Active | ISABELA |
| ASOCIACIÓN EVANGELÍSTICA AVIVAMIENTO SIN LÍMITE, INC. | — | 315009 | 2012-07-22 | Active | SAN GERMAN |
| ASOCIACIÓN EVANGELÍSTICA Y MISIONERA PARA LAS NACIONES Y P.R., INC. | — | 318232 | 2012-10-22 | Active | JUNCOS |
| ASOCIACIÓN INTERNACIONAL DE CLUBES DE LEONES - DISTRITO 51 CENTRO, INC. | — | 310486 | 2012-03-20 | Active | BAYAMON |
| ASOCIACIÓN KSHATRIYA DE KARATE MIXTO & DEFENSA PERSONAL, INC. | — | 317965 | 2012-10-12 | Active | SABANA GRANDE |
| ASOCIACIÓN MINISTERIAL EVANGÉLICA INC. | — | 307440 | 2012-01-02 | Active | SAN SEBASTIAN |
| ASOCIACIÓN NACIONAL DE CANICAS DE PUERTO RICO, CORPORACIÓN | — | 318209 | 2012-10-21 | Canceled | TOA BAJA |
| ASOCIACIÓN PARA LA EDUCACIÓN INTEGRAL, INC. | — | 63740 | 2012-05-21 | Active | SAN JUAN |
| ASOCIACIÓN PRO MEJORAMIENTO DE CASTAÑER I, INC. | — | 316834 | 2012-09-14 | Canceled | CASTAÑER |
| ASOCIACIÓN PRO MEJORAMIENTO DE CASTAÑER, INC. | — | 310587 | 2012-03-21 | Canceled | LARES |
| ASOCIACIÓN PUERTORRIQUEÑA DE AMERICAN PITBULL TERRIER, INC. | — | 312147 | 2012-05-02 | Canceled | SAN JUAN |
| ASOCIACIÓN PUERTORRIQUEÑA DE CÁNCER DE PÁNCREAS, INC. | — | 317709 | 2012-10-06 | Canceled | TRUJILLO ALTO |
| ASOCIACIÓN PUERTORRIQUEÑA DE ESTUDIANTES DE PERIODISMO, CORP. | — | 313663 | 2012-06-13 | Canceled | SAN JUAN |
| ASOCIACIÓN RECREATIVA BO SANTO DOMINGO, INC. | — | 313982 | 2012-06-21 | Canceled | PEÑUELAS |
| ASOCIACIÓN RECREATIVA ELAUTERIO RIVERA DONATO DE HUMACAO, INC. | — | 312675 | 2012-05-16 | Canceled | HUMACAO |
| ASOCIACIÓN RECREATIVA VILLA MARIA / VILLA VICTORIA, INC. | — | 309021 | 2012-02-11 | Dissolved | CAGUAS |
| ASOCIACIÓN RESIDENTES BRISAS DEL VERDE, INC. | — | 314075 | 2012-06-25 | Canceled | RÍO GRANDE |
| ASOCIACIÓN RESIDENTES LA MERCED DE SAN JUAN, PUERTO RICO CORP. | — | 63809 | 2012-12-05 | Canceled | SAN JUAN |
| ASOCIACIÓN SUREÑA DE FÚTBOL DE PUERTO RICO, INC. | — | 316125 | 2012-08-25 | Canceled | PONCE |
| ASOCIACIÓN UNIVERSAL DE EXORCISTAS , INCORPORADO | — | 313553 | 2012-06-09 | Active | JUNCOS |
| ASOOCIACION DE CAZADORES CONSERVACIONISTAS DEL OESTE, INC. | — | 308218 | 2012-01-24 | Canceled | AGUADILLA |
| ASOSIACION EVANG INTER GUERREROS DE JEHOVA, INC. | — | 315486 | 2012-08-07 | Active | SAN JUAN |
| ASOSIACIÓN DE RELACIONISTAS PÚBLICOS UNIVERSITARIOS , CORPORATION | — | 308677 | 2012-02-03 | Canceled | SAN JUAN |
| ASPHALT AGGREGATES, L.L.C. | — | 314245 | 2012-06-28 | Canceled | GUAYNABO |
| ASPHALT SOLUTIONS HATILLO, LLC | — | 313202 | 2012-05-31 | Active | GUAYNABO |
| ASPHALT SOLUTIONS TOA ALTA, LLC | — | 313201 | 2012-05-31 | Active | GUAYNABO |
| ASSA ABLOY HOSPITALITY INC. | — | 15639 | 2012-08-13 | Withdrawn | SAN JUAN |
| ASSET PROTECTION FINANCIAL, INC. | — | 15570 | 2012-04-09 | Active | SAN JUAN |
| ASSETS CONSERVATION MANAGEMENT, INC. | — | 307918 | 2012-01-17 | Active | CATAÑO |
| ASSIST-CARD CORPORATION OF AMERICA | — | 15675 | 2012-11-13 | Active | San Juan |
| ASSURANT SOLUTIONS HOLDING PUERTO RICO, INC. | — | 317005 | 2012-09-19 | Active | SAN JUAN |
| ASSURED NL INSURANCE AGENCY, INC. | — | 15771 | 2012-11-13 | Withdrawn | |
| AST HOUSING MANAGEMENT SERVICES, INC. | — | 315832 | 2012-08-16 | Canceled | PONCE |
| ASTRA VENTURES, LLC | — | 313966 | 2012-06-20 | Active | SAN JUAN |
| ASTRON CONSULTING, LLC | — | 317176 | 2012-09-24 | Canceled | SAN JUAN |
| ASTURIAS INVESTMENT GROUP, CORPORATION | — | 317052 | 2012-09-20 | Active | CAGUAS |
| ATABEY QUIROPRAXIA, PC | — | 318155 | 2012-10-18 | Dissolved | SAN GERMAN |
| ATABEYRA INC,. | — | 206097 | 2012-04-02 | Canceled | CAGUAS |
| ATC MANAGEMENT GROUP, LLC | — | 315343 | 2012-08-02 | Canceled | RIO PIEDRAS |
| ATELIER GRAZIANI,, INC. | — | 319920 | 2012-12-18 | Canceled | PONCE |
| ATG CONSULTING, INC. | — | 319613 | 2012-12-10 | Dissolved | GUAYNABO |
| ATG, LLC | — | 315234 | 2012-07-31 | Canceled | CAROLINA |
| ATHENA HEALTH GROUP, INC. | — | 313171 | 2012-05-31 | Canceled | MANATÍ |
| ATHENEA MEDICAL & EDUCATIONAL INSTITUTE, PC | — | 309467 | 2012-02-23 | Canceled | SAN JUAN |
| ATHLETIC ADVANCE, INC. | — | 310522 | 2012-03-20 | Canceled | BAYAMON |
| ATLANTIC GALLERY DEVELOPMENT, CORP. | — | 309365 | 2012-02-21 | Canceled | SAN JUAN |
| ATLANTIC LABORATORY NETWORK, INC. | — | 315113 | 2012-07-26 | Canceled | MANATI |
| ATLANTIC PROPERTY MANAGEMENT, INCORPORATED | — | 318645 | 2012-11-02 | Active | MANATI |
| ATLANTIC, LLC | — | 310651 | 2012-03-23 | Canceled | SAN JUAN |
| ATLANTIS I.T.S., INC. | — | 206490 | 2012-12-18 | Canceled | TRUJILLO ALTO |