| ADR PROPERTY MANAGEMENT ,INC. | — | 178858 | 2008-02-12 | Canceled | SAN JUAN |
| ADSO PR, INC. | — | 183854 | 2008-07-15 | Canceled | TOA ALTA |
| ADVANCE CAPITAL EXPERTS, INC. | — | 179076 | 2008-02-20 | Canceled | CAGUAS |
| ADVANCE CONCEPTS CORPORATION | — | 178624 | 2008-02-04 | Canceled | SAN JUAN |
| ADVANCE CONSTRUCTION & DEVELOPMENT, INC. | — | 180473 | 2008-04-18 | Canceled | CAROLINA |
| ADVANCE CONSULTING DEVELOPMENT GROUP CORP. | — | 179871 | 2008-03-26 | Canceled | CATAÑO |
| ADVANCE DENTAL CARE INC. | — | 179802 | 2008-03-25 | Active | MAYAGUEZ |
| ADVANCE DENTAL CLINIC PROFESSIONAL CORPORATION | — | 5129 | 2008-05-06 | Active | HUMACAO |
| ADVANCE ELECTRICAL CONSULTING SYSTEMS CORP. | — | 181057 | 2008-05-12 | Canceled | SAN JUAN |
| ADVANCE ELECTRONIC SECURITY, CORP. | — | 183134 | 2008-08-14 | Active | COAMO |
| ADVANCE ENGINEERING, CORP. | — | 179478 | 2008-03-06 | Canceled | BARCELONETA |
| ADVANCE MACHINE SHOP | — | 181161 | 2008-05-15 | Dissolved | SAN JUAN |
| ADVANCE MOLDING DESIGN, CORP. | — | 183049 | 2008-08-12 | Canceled | COROZAL |
| ADVANCE SECURITY POLICE INC. | — | 180612 | 2008-04-24 | Canceled | LEVITTOWN TOA BAJA |
| ADVANCE SURGICAL SERVICES CORP. | — | 185884 | 2008-08-28 | Canceled | PONCE |
| ADVANCE THERAPY EDUCATIONAL INC. | — | 179224 | 2008-02-27 | Canceled | TRUJILLO ALTO |
| ADVANCE WOUND AND BURN CLINIC DR. EDGAR HERRAN RESEARCH CENTER INC. | — | 55101 | 2008-06-25 | Canceled | DORADO |
| ADVANCED BASEBALL TRAINING INC. | — | 54290 | 2008-03-07 | Canceled | CABO ROJO |
| ADVANCED BEHAVIORAL CENTER, INC. | — | 181086 | 2008-05-13 | Active | PONCE |
| ADVANCED CARDIO-SURGICAL GROUP, INC. | — | 183998 | 2008-09-25 | Canceled | PONCE |
| ADVANCED CONCRETE TECHNOLOGY, CORP. | — | 185712 | 2008-12-30 | Canceled | CAROLINA |
| ADVANCED CREDENTIALING, INC. | — | 184056 | 2008-09-26 | Canceled | SAN JUAN |
| ADVANCED DIESEL SOLUTIONS INC. | — | 181738 | 2008-06-09 | Canceled | FAJARDO |
| ADVANCED ELECTROPHYSIOLOGY MEDICAL SERVICES, P.S.C. | — | 5191 | 2008-06-19 | Dissolved | San Juan |
| ADVANCED ENDOSCOPY CENTER, P.S.C. | — | 4953 | 2008-01-18 | Merged | PONCE |
| ADVANCED ENGINEERING CONSULTANTS P.S.C. | — | 5401 | 2008-12-01 | Canceled | CAROLINA |
| ADVANCED FUELS INC. | — | 180884 | 2008-05-06 | Canceled | CAROLINA |
| ADVANCED GS CONSTRUCTION, CORP. | — | 178060 | 2008-01-15 | Canceled | PONCE |
| ADVANCED INSTITUTE OF INTERVENTIONAL RADIOLOGY AND RADIOLOGICAL SCIENCES, INC. | — | 184889 | 2008-11-12 | Active | GUAYNABO |
| ADVANCED IT SOLUTIONS LLC | — | 1032 | 2008-04-04 | Canceled | SAN JUAN |
| ADVANCED MATERIALS & DESIGNS CORP. | — | 181835 | 2008-06-12 | Canceled | SAN JUAN |
| ADVANCED PHYSICAL INVENTORY & CONSULTING INC. | — | 181517 | 2008-05-29 | Canceled | MOCA |
| ADVANCED RESPIRATORY SERVICES, P.S.C. | — | 4925 | 2008-01-03 | Canceled | PONCE |
| ADVANCED SECURITY SERVICE INC. | — | 177911 | 2008-01-09 | Canceled | SAN JUAN |
| ADVANCED SETTLEMENTS, INC. | — | 14546 | 2008-12-19 | Canceled | OLD SAN JUAN |
| ADVANCED SOLAR TECHNOLOGY CORP. | — | 183759 | 2008-09-12 | Canceled | BAYAMÓN |
| ADVANCED SOLUTIONS FOR INTERACTIVE DESING, INC. | — | 180261 | 2008-04-09 | Canceled | SAN JUAN |
| ADVANCED TECHNOLOGY SERVICES PUERTO RICO, LLC | — | 1123 | 2008-06-20 | Dissolved | Arecibo |
| ADVANCED TRANSPORTATION LLC | — | 182830 | 2008-08-01 | Active | COROZAL |
| ADVANCED WINDOWS & DOORS INC. | — | 184156 | 2008-10-01 | Active | ISABELA |
| ADVANCED WOUND CARE INC. | — | 180658 | 2008-04-25 | Canceled | SAN SEBASTIÁN |
| ADVANTAGE CONSTRUCTION, CORP. | — | 179950 | 2008-01-17 | Canceled | |
| ADVANTAGE PROPERTY MANAGEMENT, LLC | — | 989 | 2008-02-27 | Active | GUAYNABO |
| ADVANTIX ENGINEERING, CORP. | — | 182583 | 2008-07-17 | Active | CAYEY |
| ADVELTAISIN INC. | — | 178560 | 2008-02-01 | Canceled | CAROLINA |
| ADVENTURE SCHOOL CORP. | — | 55586 | 2008-08-29 | Canceled | ARECIBO |
| ADVERTISING AND PROMOTION (PUERTO RICO), INC. | — | 184087 | 2008-09-29 | Dissolved | SAN JUAN |
| ADVERTISING VALUES FOR ALL CORP. | — | 181680 | 2008-06-05 | Canceled | SAN JUAN |
| ADVOCATES OF VIEJO SAN JUAN INC. | — | 56179 | 2008-11-21 | Canceled | SAN JUAN |
| ADY ELECTRONIC & ELECTRICAL CORP. | — | 182703 | 2008-07-29 | Canceled | RIO PIEDRAS |