I was contacted by HR for a position that I did not apply for, but they offered an on-site interview with no phone interview beforehand. I had a 1 on 1 interview with a scientist for about 30 minutes before we had to get going. I was driving up from San Diego to LA in the heart of traffic, so they were understanding when I was late (I had left 4 hours before the interview time and still got there late...). Good people, poor communication afterwards.