business and corporation records
Each state has an office - usually either the Secretary of State or a Department of Corporations - that requires filings by incorporated companies operating in that state.
Information in the filings varies from state to state, but usually they at least list the address and the main officers and directors of a corporation.
Each state keeps an alphabetical index by the names of the corporations operating in that state.
Many states have websites where you can search the index by the name of a company and retrieve some of the information in the filings made by the corporations.