SGI's logo icon retains it's distinctiveness even at small sizes. The following favicon, or bookmark icon, is what website visitors will see on their browser tabs when visiting the site:

16 x 16 pixels

Home Page layout (click on the image to open it at full size in a new tab):

Download the original layered Adobe Illustrator (CS5) file below:

Secondary Page layout (click on the image to open it at full size in a new tab):

Download the original layered Adobe Illustrator (CS5) file below:

Linkedin:

Standard Logo:
(100 x 60)

Square Logo:
(50 x 50)

Facebook:

Brand Logo (200 x 200):

Twitter:

Brand Logo (128 x 128):