Coverage
Understand sources, available coverage and limitations.
Company search coverage follows the current list.
Company registrations
Company information originates from state public registration records. Fields, history and update dates vary by state, record and search method.
Search companiesFederal trademarks
Trademark searches cover public USPTO federal applications and registrations. A name search is not a complete clearance or infringement review.
Search trademarksEIN verification
Check whether a business name and EIN match. A match does not establish standing, creditworthiness or authority. Recently applied-for numbers may not yet appear in available records.
Check name and EINState features and business guides
State features and business guides cover all 50 states and Washington, D.C. Each page retains its dates, notes and sources. Guide coverage does not imply real-time search availability.
Browse state guidesCompany search regions
Company search coverage is defined by the current list. Trademark searches cover public USPTO federal applications and registrations. Information and availability may vary.