| Subject | English | Thesaurus |
| mil., abbr. | ABIC Program Support System | APSS |
| ed., abbr. | Abilene Child Centered Educational Support Services | ACCESS |
| abbr., post | Address Program Support Office | APS (Office of Operations Support) |
| mil., abbr. | Advanced Reconnaissance Support Program | ARSP |
| mil., abbr. | Army Chief of Support Services | ACSS |
| abbr., scottish | Army Support Jamming programme | ASJ (US Army) |
| mil., abbr. | Arsenal Support Program Initiative | ASPI |
| abbr. | Balochistan Rural Support Program | BRSP (Дюнан) |
| abbr., UN | Bureau for Policy and Programme Support UNDP | BPPS (Indigirka) |
| busin., abbr. | Buyer Support Services | BSS |
| ocean., abbr. | Central Support Services | CSS |
| abbr., mil., WMD | Chemical Weapons Destruction Support Program | CWDSP |
| mil., abbr. | Chief of Support Services | CSS |
| abbr., scottish | Commercial Support Program | CSP (Australia) |
| ed., abbr. | Community Health And Education Support Services | CHESS |
| ed., abbr. | Community Support Program | CSP |
| abbr. | Comprehensive Logistics Automated Support Program | CLASP |
| busin., abbr. | Computing Support Services | CSS |
| abbr., O&G, sakh. | Construction and Operating Support Services Agreement | COSSA (Sakhalin Energy) |
| mil., abbr. | Consultants, Studies & Analysis & Management Support Services | CSAMS |
| abbr., mil., commer. | Contractor Support Services | CSS |
| abbr., scottish | Counterproliferation Support Program | CSP (US DoD) |
| abbr., law | Court Support Services | CSS (Ying) |
| mil., abbr. | Defense Academic Research Support Program | DARSP |
| abbr., astronaut., mil. | Defense Meteorological Support Program | DMSP |
| mil., abbr. | Defense Reconnaissance Support Program | DRSP |
| abbr., scottish | Defense Support Program | DSP (USA) |
| USA | Defense Support Program | Satellites that provide early warning of missile launches (JP 3-14) |
| mil., abbr. | Defense Support Program | DSP |
| mil., abbr. | Defense Support Program Office | DSPO |
| abbr., astronaut. | Department for Development Support and Management Services | DDSMS (UN) |
| abbr. | Department of Child Support Services | DCSS (miracle_v07) |
| abbr., scottish | Development Support & Integration Program | DSIP (USA) |
| mil., abbr. | Enterprise Mission Support Services Solutions | EMS3 |
| abbr., O&G, tengiz. | Eurest Support Services | ESS (Yeldar Azanbayev) |
| abbr. | Family And Community Support Services | FCSS |
| abbr., scottish | Fire Support Co-ordination Centre | FSCC |
| abbr., scottish | Fire Support Co-ordination Line | FSCL |
| abbr., astronaut. | General Support Technology Programme | GSTP (ESA) |
| abbr., IT | Independent Manufacturer Support Program | IMSP |
| abbr., mil., WMD | Installation Services Support Agreement | ISSA |
| mil., abbr. | Intelligence Program Support Group | IPSG (сейчас CISA) |
| mil., abbr. | Intelligence Services Digital Network ISEIntelligence Support Element | ISDN |
| mil., abbr. | Intelligence Support Interface Program | ISIP |
| mil., abbr. | Intelligence Support Program Office | ISPO |
| mil., abbr. | Interservice Supply Support Coordination Program | ISSCP |
| mil., abbr. | Joint Defense Intelligence Support Services | JDISS |
| comp., abbr. | LAN Adapter Protocol Support Program | LAPS |
| univer., abbr. | Language Arts And Math Program Support | LAMPS |
| ed., abbr. | Learning Support Program | LSP |
| mil., abbr. | Logistics Support Program, Europe | LSPE |
| abbr., health. | Maintenance and Support Services Organization | MSSO (ННатальЯ) |
| abbr., econ. | Market Support Services | MSS (Marinade) |
| tradem., abbr. | Media Technology Support Services | MTSS |
| abbr., astronaut., mil. | Microelectronics Technology Support Program | MTSP |
| abbr., scottish | Microelectronics Technology Support Program | MTSP (USAF) |
| abbr., scottish | Naval Education & Training Program Management Support Activity | NETPMSA (USA) |
| IT, abbr. | Object Oriented Program Support | OOPS (OOP) |
| mil., abbr. | Office of Support Services | OSS |
| mil., abbr. | Office of the Chief of Support Services | OCSS |
| busin., abbr. | Operational Application Support Information Services | OASIS |
| tradem., abbr. | Oracle Support Services | OSS |
| USA | personnel services support | Service-provided sustainment activities that support a Service member during both joint exercises and joint operations (JP 1-0) |
| softw., abbr. | Plato Support Services Tip | PSST |
| abbr., comp., net. | Product Support Services | PSS |
| abbr., mil., WMD | Program and integration support contract an SAIC division. | PAISC |
| abbr., mil., WMD | Program Evaluation and Integration Support | PEIS |
| abbr., NGO | Program for Early Parent Support | PEPS (yulia_mikh) |
| abbr., mil., WMD | Program Integration Support Organization | PISO |
| USA | Program Support Center | PSC |
| ocean., abbr. | Program Support Facility | PSF |
| mil., abbr. | Program Support Integration Directorate | PSID |
| IT, abbr. | Program Support Representative | PSR |
| abbr. | Psychological Support Programme | PSP (Дюнан) |
| mil., abbr. | Reconnaissance Support Survivability Program | RSSP |
| chat., abbr. | Refund Support Vocations Program | RSVP |
| vet.med., abbr. | Research Libraries Support Program | RSLP |
| abbr., scottish | Sikorsky Support Services Inc. | SSSI (USA) |
| mil., abbr. | SIOP Support Program | SSP |
| univer., abbr. | Solano University Community College Education Support Services | SUCCESS |
| abbr., scottish | Space Experiment Support Program | SESP (USAF) |
| univer., abbr. | Sponsored And Academic Programs Support | SAPS |
| IT, abbr. | Structured Support Program | SSP |
| univer., abbr. | Student Support Program | SSP |
| univer., abbr. | Student Support Services | SSS |
| econ. | support service | customer support (Andrey Truhachev) |
| econ. | support service | customer service (Andrey Truhachev) |
| busin., abbr. | Support Training And Enterprise Programme | STEP |
| abbr., astronaut., mil. | System Acquisition Support Services | SASS |
| IT, abbr. | System Support Program | SSP (OS, IBM) |
| abbr., scottish | Systems Acquisition Support Services | SASS |
| abbr., scottish | Tactical Oceanographic Warfare Support programme | TOWS (USA) |
| abbr., scottish | Technical Support Services | TSS |
| busin., abbr. | Technology Support Services | TSS |
| abbr. | Traditional Economic Activities Support Programme | TEASP (ABelonogov) |
| mil., abbr. | Transition Implementation Support Plan | TISP |
| abbr. | User Services and Systems Support | USSS |
| vet.med., abbr. | Veterinary Surgeons' Health Support Program | VSHSP |
| ecol., abbr. | Waste Education Support Programme | WESP |
| ecol., abbr. | Water And Forestry Support Program | WFSP |
| mil., abbr. | Weapon System Support Program | WSSP |
| abbr., scottish | Weapon System Support Programme | WSSP |
| softw., abbr. | Web Agent Support Program | WASP |
| tradem., abbr. | West Highland Support Services | WHSS |
| comp., net., abbr. | Workstation Support Services | WSS |
| mil., abbr. | Worldwide Intelligence Support Program | WISP |
