For working intelligence.
1 - Border Collie
2 - Poodle
3 - German Shepherd
4 - Golden Retriever
5 - Doberman Pincer
6 - Shetland Sheepdog
7 - Labrador Retriever
8 - Papillon
9 - Rottweiller
10 - Australian Cattle Dog.
I bet a few people will be surprised at the high ranking of the poodle.
I had always heard that they were THE most intelligent breed.