PECU
| Acronym | Definition |
|---|---|
| PECU | Public Employees Credit Union (various locations) |
| PECU | Portable Exothermic Cutting Unit (rescue and damage equipment) |
| PECU | Photocell Electronic Control Unit (Micatron) |
| PECU | Privatwirtschaftlicher Energie Contracting Unternehmen (German: Association of Private Economic Energy Contracting Companies) |
| PECU | Postal Employees' Credit Union (Memphis, TN) |
| PECU | Patriot Equity Credit Union (est. 1929) |
| PECU | Pitch Electronic Control Unit (avionics) |
| PECU | Princeton Employees Credit Union (Ohio) |