Not sure about the authority of this page:
> Most of these Italian blends (Illy is the exception) clearly make effective and imaginative use of coffees of the robusta species
http://www.coffeereview.com/italy-seen-from-america-nine-gen...
http://www.lavazza.co.uk/uk/at-home/blends/caffe-espresso.ht...
(Lavazza has a number of other "100% arabica", including Qualità Oro that is more or less the golden standard - pun intended).
http://www.segafredo.it/it/a-casa/caffe/moka/emozioni-100-ar...
Illy we already said.
I personally don't wander beyond these three vendors (Segafredo is from my hometown, Lavazza is the most ubiquitous, Illy is the mainstream high-quality choice), but there are likely more. To be fair, there are also a lot of Robusta mixes as you go down, but the "100% arabica" brands is firmly at the high end.