By industry. 1  List of airlines of the United States. 2  List of common carrier freight railroads in the United States. 3  List of department stores of the United States. 4  List of independent bookstores in the United States. 5  List of restaurant chains in the United States. 6  List of supermarket chains in the United States.
Getting EIN. LLCs may get a tax ID number from the IRS by using the IRS website, or by speaking with an IRS representative at 800-829-4933. An LLC may get a tax ID number by faxing or mailing Form SS-4 to the IRS.
When Does a Sole Proprietor Need an EIN? A federal employer identification number, or EIN, is a nine-digit number the IRS assigns to businesses for tax filing and reporting purposes. The IRS uses the EIN to identify the taxpayer. EINs must be used by business entities--corporations, partnerships, and limited liability companies. However, most sole proprietors don't need to obtain an EIN and can use their Social Security numbers instead. Even so, you may want to obtain an EIN anyway.