Why get Pit Bull friendly insurance? 
http://mnpitbull.blogspot.com/2015/03/homeowners-and-rental-insurance.html

Below is a list of Insurance Companies that do not have breed restrictions however things may change so please double check with your agent before signing up for a policy or adopting a dog with an 
existing policy. 

All State 

Chubb Group

Liberty Mutual

State Farm

Kemper

Auto Owners

Farmers (have to have an existing policy with them)

USAA

Travelers

Fireman's Fund

Nationwide

Sunny SoCal Insurance Service

Lester Kalmanson Agency Inc.

Evolution Insurance Brokers

AAA

Amica