ATS

Austrian Schilling (Regional » Currencies)

**** Against The Spread (Community » Sports)

*** Air Traffic Services (Governmental » Transportation)

*** Air Traffic Services (Governmental » Military)

** Applicant Tracking System (Academic & Science » Universities)

** Automatic Transfer Switch (Governmental » NASA)

** Automatic Transfer Switch (Academic & Science » Electronics)

** Automatic Transfer Switch (Computing » Telecom)

** Automatic Transfer Switch (Governmental » Transportation)

** Automatic Transfer Switch (Governmental » Military)

** Automatic Transfer Switch (Academic & Science » Amateur Radio)

* Alternative Trading Systems (Business » General)

* Arteriosclerosis (Medical » Physiology)

* Angel The Series (Business » General)

* Australian Technology Showcase (Business » General)

* American Tarantula Society (Medical » Veterinary)

* Apple Type Services (Computing » Software)

* Automated Trading System (Business » General)

* A P T Satellite Holdings, LTD. (Business » NYSE Symbols)

* American Travel Survey (Governmental » Transportation)

* Automatic Train Supervision (Governmental » Transportation)

* Aviation Technical Services (Governmental » Transportation)

* Application Technology Satellite (Academic & Science » Ocean Science)

* Analytic Trouble Shooting (Community » Law)

* Absolute Time Sequence (Academic & Science » Electronics)

* Asynchronous Time Sharing (Computing » Networking)