| A.T.S. | Anti-Tetanus Serum 
| Others |
| ATS | A Thousand Suns
| Others |
| ATS | A Total Surprise
| Others |
| ATS | Above Top Secret
| Others |
| ATS | Absolute Time Sequence
| Others |
| ATS | Abstract Test Suite
| Others |
| ATS | Academic Talent Search
| Others |
| ATS | Accu Time Systems
| Others |
| ATS | Acquired Tool Syndrome
| Others |
| ATS | Across The Scope
| Others |
| ATS | Across The Street
| Others |
| ATS | Action Tracking System
| Others |
| ATS | Active Traction Service
| Others |
| ATS | Adaptive Tape Speed
| Others |
| ATS | Adaptive Threshold Sensing
| Others |
| ATS | Adjustable Threadless System
| Others |
| ATS | Adjustable Through Shaft
| Others |
| ATS | Administrative Terminal System
| Others |
| ATS | Adolescent Thoughtless S
| Others |
| ATS | Advance Training System
| Others |
| ATS | Advanced Technical Support
| Others |
| ATS | Advanced Technology Services
| Others |
| ATS | Advanced Technology Systems
| Others |
| ATS | Advanced Telemetry Systems
| Others |
| ATS | Advanced Teletext System
| Others |
| ATS | Advanced Thermal Solutions
| Others |
| ATS | Advanced Tide System
| Others |
| ATS | Advanced Torque Stability
| Others |
| ATS | Advanced Tracking Sensor
| Others |
| ATS | Advanced Transportation System
| Others |
| ATS | Advanced Trustee Strategies
| Others |
| ATS | Advanced Turbo Systems
| Others |
| ATS | Advertising Technical Support
| Others |
| ATS | After Treatment System
| Others |
| ATS | Against The Spread
| Others |
| ATS | Aggravate The Secretaries
| Others |
| ATS | Agreement to Serve
| Others |
| ATS | Aidan The Stalker
| Others |
| ATS | Air Temperature Sensor
| Others |
| ATS | Air Textured Soft
| Others |
| ATS | Air Tool Service
| Others |
| ATS | Air Tools Store
| Others |
| ATS | Air Traffic Service
| Others |
| ATS | Air Traffic Service(s)
| Others |
| ATS | Air Traffic Services
| Others |
| ATS | Air Turbine Starter
| Others |
| ATS | Airborne Tactical SIGINT (SIGnals INTelligence)
| Others |
| ATS | Airport Taxi Service
| Others |
| ATS | Airport Terminal Services
| Others |
| ATS | Airport Transit System
| Others |
| ATS | Alenco Tool Supply
| Others |
| ATS | All Terrain Scooting
| Others |
| ATs | All Terrain Tires
| Others |
| ATS | All Together Separate
| Others |
| ATS | Allante Touring Sedan
| Others |
| ATS | Almost Time Symmetric
| Others |
| ATS | Alpha Touring Sedan
| Others |
| ATS | Alpine Technical Services
| Others |
| ATS | Alternate Training Solutions
| Others |
| ATS | Alternate Transportation for Seniors
| Others |
| ATS | Alternative To Smoking
| Others |
| ATS | Alternative Trading System
| Others |
| ATS | Alternative Trading Systems
| Others |
| ATS | Always Teach Steering
| Others |
| ATS | Amalgamated Taxi Services
| Others |
| ATS | Ambient Temperature Sensor
| Others |
| ATS | American Tarantula Society
| Others |
| ATS | American Teaching System
| Others |
| ATS | American Technion Society
| Others |
| ATS | American Thoracic Society
| Others |
| ATS | American Tract Society
| Others |
| ATS | American Traffic Solutions
| Others |
| ATS | American Trauma Society
| Others |
| ATS | American Travel Survey
| Others |
| ATS | American Tribal Style
| Others |
| ATS | American Truck Simulator
| Others |
| ATS | Analog Subscriber Outlet
| Others |
| ATS | Analytic Trouble Shooting
| Others |
| ATS | Anderson Trucking Service
| Others |
| ATS | Angel The Series
| Others |
| ATS | Angry Tradewind Survival
| Others |
| ATS | Annals of Thoracic Surgery
| Others |
| ATS | Annual Technical Support
| Others |
| ATS | Annual Training Site
| Others |
| ATS | Antarctic Treaty System
| Others |
| ATS | Anthem Technology Systems
| Others |
| ATS | Anti Theft System
| Others |
| ATS | Anti-Terror Squad
| Others |
| ATS | Anti-Terrorism Squad
| Others |
| ATS | Anti-Terrorist Squad
| Police, Legal |
| ATS | Anti-Theft System
| Others |
| ATS | Anxiety tension state
| Others |
| ATS | App Transport Security
| Others |
| ATS | Apple Terminal Services
| Others |
| ATS | Apple Type Services
| Others |
| ATS | Applicant Tracking Software
| Others |
| ATS | Applicant Tracking System
| Others |
| ATS | Applicant Tracking Systems
| Others |
| ATS | Application Technology Satellite
| Others |
| ATS | Application Testing Suite
| Others |
| ATS | Application Timeline Server
| Others |
| ATS | Applications Technology Satellite
| Others |
| ATS | Applied Technical Services
| Others |
| ATS | Applied Technologies Staff
| Others |
| ATS | Applied Technology Solutions
| Others |
| ATS | Approved Teacher Status
| Others |
| ATS | Ashmore Technical Services
| Others |
| ATS | Asian Test Symposium
| Others |
| ATS | Assign Terminal Service
| Others |
| ATS | Assisted Technical Support
| Others |
| ATS | Association of Theological Schools
| Others |
| ATS | Association Technology Solutions
| Others |
| ATS | Asynchronous Time Sharing
| Others |
| ATS | At Title Screen
| Others |
| ATS | Athletic Trainer Student
| Others |
| ATS | Atomic Test and Set
| Others |
| ATS | Auburn Tru Soldiers
| Others |
| ATS | Audi Tracking System
| Others |
| ATS | Audible Traffic Signal
| Others |
| ATS | Audio Title Set
| Others |
| ATS | Austen Tennis Superiority
| Others |
| ATS | Austin Tele Services
| Others |
| ATS | Australian Technology Showcase
| Others |
| ATS | Austrian Schilling
| Others |
| ATS | Authenticated Traffic Solution
| Others |
| ATS | Autism Training Solutions
| Others |
| ATS | Auto Transfer Switch
| Others |
| ATS | Auto-Thrust System
| Others |
| ATS | Automate The Schools
| Others |
| ATS | Automated Targeting System
| Others |
| ATS | Automated Technical Systems
| Others |
| ATS | Automated Telecomunication Systems
| Others |
| ATS | Automated Tracking System
| Others |
| ATS | Automated Trading System
| Others |
| ATS | Automated Training Systems
| Others |
| ATS | Automatic Test System
| Others |
| ATS | Automatic Total Station
| Others |
| ATS | Automatic Train Stop
| Others |
| ATS | Automatic Train Supervision
| Others |
| ATS | Automatic Transfer Savings
| Others |
| ATS | Automatic Transfer Service
| Others |
| ATS | Automatic Transfer Switch
| Others |
| ATS | Automatic Transfer System
| Others |
| ATS | Automatic Tuning System
| Others |
| ATS | Automation Tooling Systems
| Others |
| ATS | Automobili Turismo Sport
| Others |
| ATS | Automotive Talent Sourcing
| Others |
| ATS | Automotive Technical Solutions
| Others |
| ATS | Automotive Technology School
| Others |
| ATS | Automotive Test Solutions
| Others |
| ATS | Automotive Test Systems
| Others |
| ATS | Automotive Testing Service
| Others |
| ATS | Automotive Tire Service
| Others |
| ATS | Automotive Training School
| Others |
| ATS | Automotive Training Solutions
| Others |
| ATS | Automotive Transformation Scheme
| Others |
| ATS | Automotive Transportation Systems
| Others |
| ATs | Autonomous Taxis
| Others |
| ATS | Auxiliary Territorial Service
| Others |
| ATS | Available to Ship
| Others |
| ATS | Average Tandem Spacing
| Others |
| ATS | Average Transaction Size
| Others |
| ATS | Aviation Technical Services
| Others |
| ATS | Avoiding Talented Seekers
| Others |
| ATS | Salvage Tug (Auxiliary, Tug, Salvage)
| Others |