| SECC | Condorcocha, Ecuador 
| Others |
| SECC | Sacramento Educational Cable Consortium
| Others |
| SECC | Sands Expo and Convention Center
| Others |
| SECC | Scott Emergency Communications Center
| Others |
| SECC | Scottish Exhibition and Conference Centre
| Others |
| SECC | Securities and Exchange Commission of Cambodia
| Others |
| SECC | Sendai Evangelical Christian Church
| Others |
| SECC | Sexual Education Concern Committee
| Others |
| SECC | Single Edge Cartridge Connector
| Others |
| SECC | Single Edge Cartridge Cpu
| Others |
| SECC | Single Edge Contact Cartridge
| Others |
| SECC | Single Edge Contact Connector
| Others |
| SECC | Socio-Economic Caste Census
| Country, Government, People, Society, Survey |
| SECC | Soft Embedded Controller Core
| Others |
| SECC | Software Engineering Competence Center
| Others |
| SECC | Sondors Electric Car Company
| Others |
| SECC | South East Camaro and Corvette Club
| Others |
| SECC | South East Chicago Commission
| Others |
| SECC | South Eastern Community Connect
| Others |
| SECC | Southern Exotic Car Club
| Others |
| SECC | Special Education Child Count
| Others |
| SECC | State Employee Charitable Campaign
| Others |
| SECC | State Employees Charitable Campaign
| Others |
| SECC | State Employees Combined Campaign
| Others |
| SECC | Steel, Electrogalvanized, Cold-rolled, Commercial quality
| Others |
| SECC | Street Elite Corvette Club
| Others |
| SECC | Student and Early Career Committee
| Others |
| SECC | Student and Early Career Council
| Others |
| SECC | Student Employment and Career Centre
| Others |
| SECC | Supply Equipment Communication Controller
| Others |
| SECC | Symposium Express Call Center
| Others |