from Wikipedia
TWS can stand for:
Thermal Weapon Sight
The Winnipeg Sandbox (Canada)
The Wilderness Society (United States)
The Wilderness Society (Australia)
True Wind Speed in meteorology
IBM Tivoli Workload Scheduler
Toad the Wet Sprocket
Track while scan radar mode
The White Stripes, an American rock band
The White Stripes, their 1999 debut
TransWorld Skateboarding a very popular skateboarding magazine
Texas World Speedway a road-racing track in College Station, Texas.