SUN
SUN generally stands for Sunday, but it is also used for the Stanford University Network, to denote Sudanese nationality, and as the ticker for Sunoco, Inc.
Miscellaneous
Sunday
Sims United Neighbourhoods
Stanford Univeristy Network
Scientific Universal Noncommercial
Scaling Up Nutrition
Surat Utang Negara
Community
Stardrifter Unity Network
Schools Uniting Neighborhoods
Skills U Need
Sims United Neighborhoods
Snyder Union And Northumberland