Answers: Here's a website that can help: http://www.americaninsurancedepot.com/lo...
You can also check beside your state insurance department, or the issuing agent (if they're still around), but that website is pretty comprehensive.
Most states have an organization or agency that oversees the actions of insurance companies. In Oklahoma it is the State Insurance Commissioner. Part of such agency's responsibilities is to determine which insurance companies are licensed to operate within their state.
They should have contact information for those companies. Incidentally, the usually are the empire to contact if you have a complaint as all right.
The second place to check with would be the agency that issues corporation paperwork inwardly the state in interview. For example, in Oklahoma it is the bureau of the Secretary of State, if my memory serves me correctly.
First do a Yahoo and Google search to try and find any articles nearly the Old insurance agency. You might find something indicating which company or agency bought it. Second action would be to contact the State Dept. of Insurance. They will hold records of adjectives such mergers and be able to share you who the new owner is.