| Rank | Abbreviation | Meaning |
|---|
| ***** | PETC | Animal in cabin
| |
| **** | PETC | photosynthetic electron transfer c
| |
| **** | PETC | Professional Education and Training Committee
| |
| **** | PETC | People for the Ethical Treatment of Children
| |
| **** | PETC | Pet in Cabin
| |
| *** | PETC | PA Educational Technology Conference
| |
| *** | PETC | Private Emission Testing Centers
| |
| *** | PETC | People for the Ethical Treatment of Computers
| |
| *** | PETC | Pittsburgh Energy Technology Center
| |
| ** | PETC | Pennsylvania Educational Technology Conference
| |
| ** | PETC | Pinellas Educational Technology Conference
| |
| * | PETC | Pan European Transport Corridor
| |
| * | PETC | Power Electronic Technology Company
| |
| * | PETC | Printing Education and Technology Center
| |
| * | PETC | Pennsylvania Educational Technology Corporation
| |
| * | PETC | peritoneal exudate T cells
| |
| * | PETC | Personal Electronic Transactor Commodore
| |
| * | PETC | Provincial Economic and Trade Commission
| |
| * | PETC | Pennsylvania Education Technology Conference
| |
| * | PETC | PA Education Technology Conference
| |
| * | PETC | Precision Engagement Transformation Center
| |
| * | PETC | Preanesthesia Evaluation and Testing Center
| |
| * | PETC | Public Employers' Training Consortium
| |
| * | PETC | Practical Education Training Centre
| |
| * | PETC | Palm Education Training Coordinator
| |