SketchUp

http://www.google.com/options/icons/sketchup.gif

GOOG-411

http://www.google.co.il/intl/en_us/mobile/images/goog411.gif

(I think:)

Maps for mobile

http://www.google.com/options/icons/localmobile.gif

Custom Search

http://www.google.com/options/icons/coop.gif

http://www.google.com/intl/en/options/

(You can see logos more clearly on the specific service blog.)