Name
- Purefoy, James1
- Saigni, J N, Major1
- Secunder, —, Sheikh military draughtsman1
- Senhouse, Humphrey, Knight, naval officer, 1781-18411
- Shepstone, Theophilus, KCMG1
- Sherson, A N, 72nd Highland Regt1
- Shute, —, Captain Deputy Assistant Quartermaster General1
- Smith, E D, Major Chief Engineer of Gwalior1
- Smith, E, Brigadier1
- Stewart, A M, military draughtsman1
- Strachey, —, Lieutenant Bengal Engineers1
- Thompson, —, Lieutenant1
- Viot, —, Captain French military engineer1
- Whatfield, —, assistant engineer East India Company1
- Wheeler, Hugh Massy, Major-General KCB1
- Wolseley, Garnet Joseph, Field-Marshal Viscount Wolseley1
- Wroughton, Robert, Lieutenant military surveyor1