1. 
   ATIS
   abbreviation: Automatic Terminal Information Service
   Found op http://www.apscharts.com/abbrev.html
   
   
2. 
   ATIS
   HIV/AIDS Treatment Information Service [now: AIDSinfo]
   Found op http://www.encyclo.co.uk/local/20895
   
   
3. 
   ATIS
   A Tools Integration Standard
   Found op http://foldoc.org/ATIS
   
   
4. 
   atis
   1) Abbreviation
   Found op automatic terminal information service 2) Monkshood 3) Monks
   
   

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