The commercial, legal name under which a company does business is referred to as a TRADE NAME.
Trade Name is different from the Legal Name of a business.
Legal name of a business - name of the owner or entity that owns the business. - found in the partnership agreements, incorporations, or corporations
Trade name of a business - name a business uses for advertising and sales. Either a fictitious name or "Doing Business As" name. - different from the legal name in its articles of incorporation or other organizing documents