- Senegal. Ministère de l'équipement, du logement et des transports1
- Serbia. National Agency for Cadastre and Land Registration1
- South Africa. National Geo-spatial Information1
- Sri Lanka. Minindōru Depārtamēntuva1
- Stabilimento di Giuseppe Civelli1
- Stanford University. Woods Institute for the Environment1
- Starling, Thomas1
- Stieler, Adolf1
- Survey of India1
- Survey of Pakistan1
- Swanston, George H.1
- Swaziland. Department of the Surveyor General1
- Sārve aba Bāṃlādeśa1
- Tallis, John, 1817-18761
- Tanner, Henry Schenck, 1786-18581
- Teesdale, Henry1
- The National Institute of Cartography and Remote Sensing, Algeria1
- Togo. Direction General of Cartography1
- Uganda Bureau of Statistics1
- Uganda Bureau of Statistics (UBOS)1
