Adding Sifteo.

Contributor: David Merrill, co-founder at Sifteo,
    www.linkedin.com/pub/david-merrill/1/482/967
Source: internal headcount

Sifteo has 4 engineers, with 0 women engineers.

Our designer is female, and she can code a little (and does, to mock
things up from time to time) -- but her day-to-day activities are
squarely in design.