| ADVANCE BASKETBALL TRAINING CAMP, CORP. | — | 311958 | 2012-04-28 | Canceled | QUEBRADILLAS |
| ADVANCE BUILDING CONCEPTS, INC. | — | 315986 | 2012-08-21 | Canceled | CAGUAS |
| ADVANCE BUSINESS CIRCLE, LLC | — | 314399 | 2012-07-03 | Active | SAN JUAN |
| ADVANCE CLAIM MANAGEMENT, LLC | — | 311546 | 2012-04-19 | Canceled | SAN JUAN |
| ADVANCE COMMUNICATIONS & SECURITY GROUP, INCORPORATED | — | 315159 | 2012-07-27 | Canceled | BAYAMON |
| ADVANCE CONSULTING AND LEGAL SERVICES, PSC | — | 314229 | 2012-06-27 | Dissolved | MAYAGUEZ |
| ADVANCE CONSULTING PUERTO RICO, L.L.C. | — | 314570 | 2012-07-09 | Canceled | SAN JUAN |
| ADVANCE DENTAL JRJ, PSC | — | 316841 | 2012-09-14 | Canceled | CAGUAS |
| ADVANCE DISTRIBUTORS INTERNATIONAL CORPORATION | — | 206201 | 2012-05-11 | Canceled | CANÓVANAS |
| ADVANCE EDUCATIONAL SYSTEMS, INC. | — | 311290 | 2012-04-11 | Canceled | SAN JUAN |
| ADVANCE FRAUD MANAGEMENT, INC. | — | 205965 | 2012-02-07 | Canceled | SAN JUAN |
| ADVANCE IMPLANT, TISSUE, AND CELL TECHNOLOGIES, INC. | — | 318896 | 2012-11-14 | Dissolved | PENUELAS |
| ADVANCE LEARNING GROUP, INC. | — | 310895 | 2012-03-29 | Canceled | CAROLINA |
| ADVANCE LIGHTING ILUMINACIONES PR INC. | — | 206339 | 2012-07-18 | Canceled | SAN JUAN |
| ADVANCE MARKETING ADVERTISEMENT PUERTO RICO, CORPORATION | — | 314660 | 2012-07-11 | Canceled | BAYAMON |
| ADVANCE PHYSICIAN, LLC | — | 318856 | 2012-11-12 | Dissolved | CAROLINA |
| ADVANCE PROFESSIONAL FORMULA, INC. | — | 313116 | 2012-05-29 | Active | CAGUAS |
| ADVANCE RADIO CLUB DE PUERTO RICO, INC. | — | 314317 | 2012-06-29 | Canceled | BAYAMON |
| ADVANCE REHABILITATION CENTER, INC. | — | 312985 | 2012-05-24 | Canceled | VEGA BAJA |
| ADVANCE SOLAR SERVICES, INC. | — | 310694 | 2012-03-26 | Active | JUANA DIAZ |
| ADVANCE SOURCE, INC. | — | 318696 | 2012-11-05 | Active | SAN JUAN |
| ADVANCE TECHNICAL KNOWLEDGE, CORP. | — | 310107 | 2012-03-09 | Canceled | TRUJILLO ALTO |
| ADVANCE TIRE & TRUCK SERVICE, INC. | — | 318681 | 2012-11-04 | Active | CAGUAS |
| ADVANCE TRAINING CENTER , INC. | — | 308112 | 2012-01-21 | Canceled | SABANA SECA |
| ADVANCED AG SOLUTIONS, LLC | — | 316447 | 2012-09-04 | Active | SAN SEBASTIAN |
| ADVANCED CARDIOLOGY, PSC | — | 313895 | 2012-06-19 | Active | SAN JUAN |
| ADVANCED COMPUTERS SERVICE PR. M.L. INC. | — | 206385 | 2012-09-06 | Dissolved | VILLALBA |
| ADVANCED CORPORATE SOLUTIONS, INC. | — | 309856 | 2012-03-05 | Dissolved | GUAYNABO |
| ADVANCED E.R. PHYSICIANS P.S.C. | — | 6695 | 2012-01-04 | Canceled | CAGUAS |
| ADVANCED ENDOSCOPY CENTER, LLC | — | 3851 | 2012-07-09 | Active | PONCE |
| ADVANCED INDUSTRIAL SUPPLY, CORPORATION | — | 319157 | 2012-11-24 | Canceled | |
| ADVANCED MANUFACTURING SOLUTIONS, CORP. | — | 316532 | 2012-09-06 | Canceled | SAN JUAN |
| ADVANCED MEDICAL BILLING SERVICES, INC. | — | 309391 | 2012-02-21 | Canceled | CAGUAS |
| ADVANCED MEDICAL CARE & MANAGEMENT GROUP LLC | — | 311526 | 2012-04-18 | Active | PONCE |
| ADVANCED MOSQUITO CONTROL SOLUTION, LLC | — | 318731 | 2012-11-07 | Dissolved | DORADO |
| ADVANCED NANOMATERIALS AND TECHNOLOGIES, INC. | — | 314365 | 2012-07-02 | Canceled | TRUJILLO ALTO |
| ADVANCED NUTRIENTS CARIBBEAN, LLC | — | 310338 | 2012-03-15 | Canceled | SAN JUAN |
| ADVANCED PAINTING & ROOFING CONTRACTOR , CORP. | — | 308610 | 2012-02-01 | Dissolved | TOA BAJA |
| ADVANCED PEDIATRIC GROUP, P.S.C. | — | 310530 | 2012-03-20 | Canceled | MANATI |
| ADVANCED PHYSIOTHERAPY CENTER, CORP. | — | 312004 | 2012-04-30 | Dissolved | SAN SEBASTIAN |
| ADVANCED PLUMBING DISTRIBUTORS, INC. | — | 316083 | 2012-08-24 | Dissolved | MAYAGUEZ |
| ADVANCED PREVENTION TECHNOLOGY GROUP, INC. | — | 15536 | 2012-01-27 | Canceled | BAYAMÓN |
| ADVANCED PRO CYCLES PR, INC. | — | 311982 | 2012-04-30 | Active | |
| ADVANCED REPO HOMES, INC. | — | 310211 | 2012-03-13 | Canceled | GUAYNABO |
| ADVANCED SOLAR PRODUCTS, INC. | — | 317190 | 2012-09-24 | Withdrawn | SAN JUAN |
| ADVANCED SOLUTIONS & SOFTWARE DESIGN, LLC | — | 3793 | 2012-05-04 | Canceled | SAN JUAN |
| ADVANCED STEEL RECOVERY, LLC | — | 1384 | 2012-08-02 | Canceled | SAN JUAN |
| ADVANCED TRAINING SOLUTIONS, INC. | — | 311558 | 2012-04-19 | Dissolved | GUAYNABO |
| ADVANCED TRANSPORT SERVICES, INC. | — | 315103 | 2012-07-25 | Active | CATAÑO |
| ADVANTIX, INC. | — | 313965 | 2012-06-20 | Dissolved | SAN JUAN |