Great poll topic. I am going to have to really think about it hard before I hit the poll. Browning and Colt are the obvious choices for me.
I do think that there is a major omission with the absence of Hugo Schmeisser on this list. Kalashnakov is listed, where Schmeisser is not. If you are not familiar with the name, you should look him up. He effectively invented the modern assault rifle with the STG 44 as well as other advancements in automatic firearms. He then had to work for the Soviets post WW II on what became the AK. Personally I don't believe the nationalistic propoganda that a tank driver came up with the design for the AK. What do you think?