| Abbreviation | Definition |
|---|---|
| SPM | Sirpur Paper Mills Limited |
| SPML | Supply of Plant, Materials and Labour |
| SPOC | Sudd Petroleum Operating Company |
| SPPC | Sierra Pacific Power Company |
| SPPL | Savardhir Projects Pvt Ltd |
| SPQR | Some Pretty Quick Restaurant |
| SPR | Sierra Pacific Resources |
| SPR | Software Productivity Research |
| SPRLU | Société Privée à Responsabilité Limitée Unipersonnelle (French: sole proprietorship limited company; |
| SPS | Specialized Pharmacy Services |
| SPS | Stop Pet Shops |
| SPS | Superior Pool Structures |
| SPSB | Sabah Ports Sdn Bhd |
| SPSC | Spectacular Products And Services Company |
| SPSI | Scott Process Systems Inc |
| SPSI | Specialized Professional Services Inc |
| SPT | Security for Participation in Tendering |
| SPT | Shanghai Posts Telecommunications |
| SPTC | Seychelles Public Transport Corporation |
| SPU | Scientific Products Unit |