This is a list of insurance companies based in the United States. These are companies with a strong national or regional presence having insurance as their main priorities. en.wikipedia.org/wiki/List_of_United_States_insurance_companies.

You can find a list of car insurance companies located in the United States by going to http://en.wikipedia.org/wiki/List_of_United_States_insurance_companies. Other sites like www.carinsurancelist.com only have partial lists.

HSBC is not one of the leading insurance companies in the United States, in fact, it is not even an insurance company. HSBC is a bank based out of the United Kingdom.

There a few different classic car insurance companies in the United States. There is Grundy Insurance and Hagerty Insurance. There is also Chubbs Classic Car Insurance.

You could contact your states dept. of insurance, they will have a list of all the companys that can sell insurance in your state.