Initialism

1. St. Petersburg College
2. Supplementary protection certificate
3. saeclum post Christum ("era after Christ")
4. Secretariat of the Pacific Community
5. Security in Pervasive Computing
6. Serum protein concentrate
7. Software Productivity Consortium
8. Southwest Preparatory Conference
9. Soy protein concentrate
10. Special Purpose Carbine
11. Special Purpose Cartridge
12. State Property Committee
13. Storm Prediction Center (United States NOAA)
14. Structure-property correlation