| Rank | Abbreviation | Meaning |
|---|
| ***** | PCLA | Paragon Cooperative Learning Academy
| |
| ***** | PCLA | Pakistan Christian Lawyer Association
| |
| ***** | PCLA | Planning, Compliance, and Landscape Architecture
| |
| **** | PCLA | Process Control Language
| |
| **** | PCLA | Parklawn Christian Leadership Academy
| |
| *** | PCLA | Peter Collins, Landscape Architect
| |
| *** | PCLA | Portuguese Canadian Lawyers Association
| |
| *** | PCLA | Pruritic Cutaneous Lichen Amyloidosis
| |
| *** | PCLA | PC Logic Analyzer
| |
| ** | PCLA | Post Colonial Liberation Army
| |
| ** | PCLA | Polish Cognitive Linguistics Association
| |
| ** | PCLA | Permanent Committee for Labor Affairs
| |
| ** | PCLA | Property Claim Law Associate
| |
| ** | PCLA | Polish Cement and Lime Association
| |
| ** | PCLA | Pacific Coast Lacrosse Association
| |
| ** | PCLA | Poetry Club Literary Angels
| |
| ** | PCLA | Paper Chain Letter Archive
| |
| * | PCLA | Primary Care Learning Association
| |
| * | PCLA | Pensamento Comunicacional Latino-Americano
| |
| * | PCLA | Permanent Committee of Labour Affairs
| |
| * | PCLA | Power Control Linkage Assembly
| |
| * | PCLA | Palabra Clave
| |
| * | PCLA | Peace Country Luge Association
| |
| * | PCLA | Pickerel-Crooked Lakes Association
| |
| * | PCLA | Preliminary Coupled Loads Analysis
| |