Companies and organizations:

!     Silicon Surf (SGI's official WWW servers)
      http://www.sgi.com/
+     http://www-europe.sgi.com/

      Center for Landscape Research (including image editing and
        processing software for SGIs)
      http://www.clr.toronto.edu:1080/
      
      Center for Visual Creation (an SGI International Training Center)
      http://www.erc.msstate.edu/CVC/
      
      Easy Software Products ("2D & 3D software" for SGIs)
      http://esp.atc.imssys.com/
      
      Impediment (third-party memory and peripherals vendor)
      http://www.impediment.com/
      
      IRIS Explorer Center
      http://www.nag.co.uk:70/1h/Welcome_IEC
      
      MIPS Technologies, Inc. Home Page
      http://www.mips.com/
      
      NATPIX software demos
      ftp://ftp.netcom.com/pub/natpix/html/natpix.html
      
      OpenGL WWW Center
      http://www.sgi.com/tech/openGL/opengl.html
      
      Silicon Studio Inc.
      http://www.studio.sgi.com/

+     Template Graphics Software, Inc.
+     http://www.sd.tgs.com/~template

      Wavefront Technologies
      http://wavefront.wti.com/

  Miscellany:

      Blix (an IndiZone game contest winner)
      http://rugmd4.chem.rug.nl/hoesel/blix.html

      Configuring and Debugging SLIP and PPP
      http://reality.sgi.com/employees/scotth/dialup_support.html
      
      FlexFAX Home Page
      http://www.vix.com/pub/flexfax/

      Grafica Obscura (Paul Haeberli's graphics commonplace book)
      http://www.sgi.com/grafica/

      HTML version of Bill Henderson's SGI FTP site list
      http://mambo.ucsc.edu/psl/sgiftp.html
      
      IBD's SGI Collection (including an IRIX 5.2 patch list)
      http://www.ibd.nrc.ca/~sgi/
      See also below under "network-accessible documents"

      Reality (SGI's employee home page server)
      http://reality.sgi.com/

      Scientific Visualization Software Packages
      http://www.msi.umn.edu/SciVis/Packages/packages.html
      
      securscan README (documentation for an IRIX security checker)
      ftp://ftp.vis.colostate.edu/pub/irix/security/securscan.html
      
      SGI DOOM FAQ
      http://cornelius.ucsf.edu/~troyer/sgidoomfaq.html

      An SGI Meta-Page (collected SGI Internet resources)
      http://www.cc.gatech.edu/gvu/people/Faculty/Randy.Carpenter/sgimeta.html

      SGI resources (collected SGI Internet resources)
      http://www.cevis.uni-bremen.de/~wayne/sgi/

      Silicon Graphics User Groups
      http://www.cc.gatech.edu/services/sgiusers.html
      See also below under "network-accessible documents".
      
      US Army Research Laboratory (ARL, formerly BRL) FTP site
      http://ftp.arl.mil/
      
      XFS filesystem demonstration
      http://everest.ee.umn.edu/~cattelan/XFS

  Bill Henderson's FTP site list also lists some WWW sites.