| Subject | English | Thesaurus |
| ed., abbr. | Abilene Child Centered Educational Support Services | ACCESS |
| mil., abbr. | Army Chief of Support Services | ACSS |
| busin., abbr. | Buyer Support Services | BSS |
| ocean., abbr. | Central Support Services | CSS |
| mil., abbr. | Chief of Support Services | CSS |
| ed., abbr. | Community Health And Education Support Services | CHESS |
| 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., law | Court Support Services | CSS (Ying) |
| abbr., astronaut. | Department for Development Support and Management Services | DDSMS (UN) |
| abbr. | Department of Child Support Services | DCSS (miracle_v07) |
| 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., mil., WMD | Installation Services Support Agreement | ISSA |
| mil., abbr. | Intelligence Services Digital Network ISEIntelligence Support Element | ISDN |
| mil., abbr. | Joint Defense Intelligence Support Services | JDISS |
| abbr., health. | Maintenance and Support Services Organization | MSSO (ННатальЯ) |
| abbr., econ. | Market Support Services | MSS (Marinade) |
| tradem., abbr. | Media Technology Support Services | MTSS |
| 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., scottish | Sikorsky Support Services Inc. | SSSI (USA) |
| univer., abbr. | Solano University Community College Education Support Services | SUCCESS |
| univer., abbr. | Student Support Services | SSS |
| econ. | support service | customer support (Andrey Truhachev) |
| econ. | support service | customer service (Andrey Truhachev) |
| abbr., astronaut., mil. | System Acquisition Support Services | SASS |
| abbr., scottish | Systems Acquisition Support Services | SASS |
| abbr., scottish | Technical Support Services | TSS |
| busin., abbr. | Technology Support Services | TSS |
| abbr. | User Services and Systems Support | USSS |
| tradem., abbr. | West Highland Support Services | WHSS |
| comp., net., abbr. | Workstation Support Services | WSS |
