You may get the short list of the best companies from some source, but the most important source for the lowest car insurance quote is absolutely the Internet. Meaning the online car insurance rate comparison services have a very wide range of companies and products to compare.
The temptation is big to take the new car insurance quotes from your old insurance company and to skip the brain work with the several comparisons. However, the comparison can save you a lot of money, so it is recommended to take several car insurance quotes. Then, you can compare them with the quote from your present company.