sort by Rank | Alpha
| Possible Meanings | Rank |
| Community Parents and Teachers | **** |
| Competence in Physical Therapy | **** |
| California Parent Teacher Association | **** |
| Common Platform Technology Alliance | *** |
| China Packaging Technology Association | *** |
| Certified Physical Therapist Assistant | *** |
| Colorado Public Trustees Association | *** |
| Cultural Property Transfer Act | *** |
| carotid percutaneous transluminal angioplasty | ** |
| Comitato Paritetico Territoriale Antinfortunistico | ** |
| Cleveland Physical Therapy Associates | ** |
| Com the Physical Therapy | ** |
| Council of Provincial and Territorial Archivists | ** |
| Communications Platform Trade Association | ** |
| Choanoke Public Transportation Authority | ** |
| Council for Promotion of Tourism in Asia | ** |
| Catholic Parent Teacher Associations | ** |
| Central Paying and Transfer Agent | ** |
| Colombo Plan Technical Assistance | ** |
| Canadian Popular Theatre Alliance | ** |
| Comitato Paritetico Territoriale Artigiano | ** |
| Child Protective Training Academy | ** |
| Clay Producers Traffic Association | ** |
| County Public Transport Authorities | ** |
| Citizens for Property Tax Accountability | ** |
| College of Physical Therapy of Alberta | ** |
| Certified Public Tax Accountants | ** |
| Chakor Pilotless Target Aircraft | ** |
| Colorado Physical Therapy Association | ** |
| Cornerstone Physical Therapy Associates | ** |
| Community Primary Teachers Association | ** |
| Calcutta Paper Traders Association | * |
| Canadian Plant Technology Agency | * |
| Committee On Psychological Tests And Assessment | * |
| Comprehensive Plan Text Amendments | * |
| Croatian Paraplegic and Tetraplegic Association | * |
| Canada Pacific Trials Association | * |
| Certified Physical Therapy Assistants | * |
| Canadian Pacific Trials Association | * |
| Cape Province Teachers Association | * |
| Center of Perspective Technologies and Apparatus | * |
| China Packaging Technology Assn | * |
| Committee on Promotion and Tenure Appeals | * |
| Common Preferential Trade Agreement | * |
| Concurrent Processing Tuning Assistant | * |
| Creative Performing and Technological Arts | * |
| Core Propulsion Test Article | * |
| Character and Pattern Telephon Access | * |